{"title":"Logic Gates — NAND, AND, OR, NOT, XOR ICs","description":"\u003ch2\u003eLogic Gate ICs — 74HC, 74HCT, 74LS \u0026amp; CD4000 Series\u003c\/h2\u003e\n\n\u003cp\u003eLogic gate ICs are the fundamental building blocks of all digital electronics — from simple combinational circuits to complex sequential systems. This collection covers the complete range of standard logic families: the modern \u003cstrong\u003e74HC\/74HCT series\u003c\/strong\u003e (2V–6V CMOS, high-speed), the legacy \u003cstrong\u003e74LS series\u003c\/strong\u003e (5V TTL, for repair and restoration), and the classic \u003cstrong\u003eCD4000 series\u003c\/strong\u003e (3V–15V CMOS, wide supply range). Whether you’re designing a new digital circuit, repairing legacy equipment, or learning digital electronics, you’ll find the exact gate IC you need here.\u003c\/p\u003e\n\n\u003ch3\u003eGate Types Available\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNAND Gates:\u003c\/strong\u003e 74HC00, 74LS00, CD4011 — universal gate, SR latches, oscillators\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAND Gates:\u003c\/strong\u003e 74HC08, 74LS08 — signal gating, clock enable, combinational logic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOR Gates:\u003c\/strong\u003e 74HC32, 74LS32 — interrupt combining, signal merging\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInverters \/ NOT Gates:\u003c\/strong\u003e 74HC04, 74HC14 (Schmitt-trigger) — signal inversion, debounce, RC oscillators\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNOR Gates:\u003c\/strong\u003e 74HC02, CD4001 — universal gate, SR latches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eXOR Gates:\u003c\/strong\u003e 74HC86 — parity generation, comparators, adders\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSequential \u0026amp; Bus Logic\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShift Registers:\u003c\/strong\u003e 74HC595 (serial-out), 74HC165 (serial-in) — GPIO expansion\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlip-Flops:\u003c\/strong\u003e 74HC74 (D-type), 74HC73 (JK) — data registers, frequency dividers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCounters:\u003c\/strong\u003e 74HC393, 74HC191, 74HC192 — event counting, frequency division\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBus Transceivers:\u003c\/strong\u003e 74HC245, 74HCT245 — bidirectional bus buffering, level shifting\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiplexers:\u003c\/strong\u003e 74HC4051 (8-ch analog), 74HC4067 (16-ch) — signal routing, ADC expansion\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLogic Family Selection Guide\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e74HC:\u003c\/strong\u003e 2V–6V, CMOS inputs, low power — best for new designs with Arduino, ESP32, STM32\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e74HCT:\u003c\/strong\u003e 5V, TTL-compatible inputs — best for interfacing 3.3V logic with 5V TTL systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e74LS:\u003c\/strong\u003e 5V TTL only — for legacy circuit repair and vintage electronics restoration\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCD4000:\u003c\/strong\u003e 3V–15V CMOS — for battery-powered circuits and high-voltage logic applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAll ICs are new, original, and RoHS compliant. Available in DIP (through-hole) and SOP (SMD) packages.\u003c\/p\u003e","products":[{"product_id":"74hc4067-16-channel-analog-digital-multiplexer-module","title":"74HC4067 16-Channel Analog \/ Digital Multiplexer Module","description":"\u003ch2\u003e74HC4067 16-Channel Analog \/ Digital Multiplexer Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e74HC4067 16-channel multiplexer module\u003c\/strong\u003e expands a single Arduino analog or digital pin into \u003cstrong\u003e16 individually selectable channels\u003c\/strong\u003e. Using just \u003cstrong\u003e4 digital control pins\u003c\/strong\u003e (S0–S3), you can route any of 16 analog or digital signals through a single common pin — ideal for reading 16 sensors with only 5 Arduino pins total. Bidirectional operation supports both analog input multiplexing and digital output demultiplexing.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIC: \u003cstrong\u003e74HC4067\u003c\/strong\u003e | Channels: \u003cstrong\u003e16 (1-of-16 mux)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eControl: \u003cstrong\u003e4-bit binary (S0–S3)\u003c\/strong\u003e | Signal type: \u003cstrong\u003eAnalog \u0026amp; digital\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOperating voltage: \u003cstrong\u003e2–6V\u003c\/strong\u003e | Signal voltage: \u003cstrong\u003eup to VCC\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOn-resistance: \u003cstrong\u003e~70Ω\u003c\/strong\u003e | Bandwidth: \u003cstrong\u003e~150MHz\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDirection: \u003cstrong\u003eBidirectional\u003c\/strong\u003e | Enable pin: \u003cstrong\u003eActive LOW\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompliance: \u003cstrong\u003eRoHS compliant\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003e16 analog inputs with 5 Arduino pins\u003c\/strong\u003e — 4 control + 1 common signal pin\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eBidirectional\u003c\/strong\u003e — use as multiplexer (input) or demultiplexer (output)\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eAnalog and digital\u003c\/strong\u003e — works with both analog sensors and digital signals\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eEnable pin\u003c\/strong\u003e — disable all channels for power saving\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eExpanding Arduino analog inputs beyond 6 channels\u003c\/li\u003e\n\u003cli\u003eReading 16 sensors with minimal Arduino pins\u003c\/li\u003e\n\u003cli\u003eKeyboard matrix scanning\u003c\/li\u003e\n\u003cli\u003eMulti-channel ADC data acquisition systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45668158669035,"sku":"","price":9.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/74HC4067-Analog-and-Digital-Mux-Module.jpg?v=1723009752"},{"product_id":"tca9548a-i2c-8-channel-multiplexer-module","title":"TCA9548A I2C 8-Channel Multiplexer Module — Arduino","description":"\u003ch2\u003eTCA9548A I2C 8-Channel Multiplexer Module — Arduino\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTCA9548A I2C multiplexer module\u003c\/strong\u003e solves the most common I2C problem — \u003cstrong\u003eaddress conflicts\u003c\/strong\u003e. Connect up to \u003cstrong\u003e8 identical I2C sensors\u003c\/strong\u003e (same address) on a single Arduino I2C bus by routing each sensor to an independent channel. Select which channel is active via I2C commands — enabling 8 BME280s, 8 MPU-6050s, or any combination of same-address sensors on one bus.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIC: \u003cstrong\u003eTCA9548A\u003c\/strong\u003e | Channels: \u003cstrong\u003e8 independent I2C channels\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eInterface: \u003cstrong\u003eI2C (0x70–0x77, 3 address pins)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupply voltage: \u003cstrong\u003e1.65–5.5V\u003c\/strong\u003e | Channel voltage: \u003cstrong\u003e1.65–5.5V (independent)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMax modules: \u003cstrong\u003e8 (64 total channels)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompliance: \u003cstrong\u003eRoHS compliant\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSolves I2C address conflicts\u003c\/strong\u003e — use 8 identical sensors on one bus\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eIndependent voltage per channel\u003c\/strong\u003e — mix 3.3V and 5V I2C devices\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e8 selectable addresses\u003c\/strong\u003e — stack up to 8 modules for 64 channels\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eAdafruit TCA9548A library\u003c\/strong\u003e — simple channel selection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMultiple identical I2C sensor arrays (BME280, MPU-6050)\u003c\/li\u003e\n\u003cli\u003eI2C bus expansion for complex projects\u003c\/li\u003e\n\u003cli\u003eMixed 3.3V\/5V I2C device interfacing\u003c\/li\u003e\n\u003cli\u003eOLED display arrays with same I2C address\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45670708805867,"sku":"","price":11.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/PCA9548A-I2C-Multiplexer-Module.jpg?v=1723009349"},{"product_id":"tja1050-can-bus-transceiver-module","title":"TJA1050 CAN Bus Transceiver Module — High-Speed, Arduino","description":"\u003ch2\u003eTJA1050 CAN Bus Transceiver Module — High-Speed, Arduino\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTJA1050 CAN bus transceiver module\u003c\/strong\u003e provides the physical layer interface for \u003cstrong\u003ehigh-speed CAN bus communication\u003c\/strong\u003e up to \u003cstrong\u003e1Mbps\u003c\/strong\u003e, compliant with \u003cstrong\u003eISO 11898\u003c\/strong\u003e. Use in combination with an \u003cstrong\u003eMCP2515 CAN controller\u003c\/strong\u003e to add CAN bus capability to Arduino. The TJA1050 handles differential bus signaling, bus fault protection, and EMI filtering.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIC: \u003cstrong\u003eTJA1050\u003c\/strong\u003e | Standard: \u003cstrong\u003eISO 11898 (high-speed CAN)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSpeed: \u003cstrong\u003eup to 1Mbps\u003c\/strong\u003e | Bus nodes: \u003cstrong\u003eup to 110\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupply voltage: \u003cstrong\u003e4.75–5.25V\u003c\/strong\u003e | Logic: \u003cstrong\u003e3.3V \/ 5V compatible\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eBus protection: \u003cstrong\u003eShort-circuit and thermal protection\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompliance: \u003cstrong\u003eRoHS compliant\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eISO 11898 compliant\u003c\/strong\u003e — automotive and industrial CAN bus standard\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eUp to 110 nodes\u003c\/strong\u003e — large CAN bus network support\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eBus fault protection\u003c\/strong\u003e — short-circuit and thermal protection\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eMCP2515 compatible\u003c\/strong\u003e — standard pairing for Arduino CAN bus\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eArduino CAN bus with MCP2515 controller\u003c\/li\u003e\n\u003cli\u003eAutomotive OBD-II CAN bus interface\u003c\/li\u003e\n\u003cli\u003eIndustrial CAN bus sensor network\u003c\/li\u003e\n\u003cli\u003eElectric vehicle BMS CAN bus communication\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45670710935787,"sku":"","price":10.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/TJA1050-CAN-Bus-Transceiver-Module.jpg?v=1723009316"},{"product_id":"mcp2562-can-bus-transceiver","title":"MCP2562 High-Speed CAN Bus Transceiver — 5V, ISO 11898","description":"\u003ch2\u003eMCP2562 High-Speed CAN Bus Transceiver — 5V, ISO 11898\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMCP2562\u003c\/strong\u003e is a \u003cstrong\u003ehigh-speed CAN bus transceiver\u003c\/strong\u003e from Microchip Technology, compliant with \u003cstrong\u003eISO 11898-2\u003c\/strong\u003e and designed to interface a CAN controller (such as the \u003cstrong\u003eMCP2515\u003c\/strong\u003e) with the physical CAN bus. Supports CAN bus speeds up to \u003cstrong\u003e1Mbps\u003c\/strong\u003e and up to \u003cstrong\u003e112 nodes\u003c\/strong\u003e on a single bus. Features \u003cstrong\u003eslope control\u003c\/strong\u003e for reduced EMI at lower bus speeds. The standard transceiver pairing for Arduino CAN bus projects.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIC: \u003cstrong\u003eMCP2562\u003c\/strong\u003e | Standard: \u003cstrong\u003eISO 11898-2 (high-speed CAN)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupply voltage: \u003cstrong\u003e5V (VDD) + 5V (VIO)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSpeed: \u003cstrong\u003eup to 1Mbps\u003c\/strong\u003e | Bus nodes: \u003cstrong\u003eup to 112\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSlope control: \u003cstrong\u003eYes (RS pin)\u003c\/strong\u003e — reduce EMI at lower speeds\u003c\/li\u003e\n\u003cli\u003eBus protection: \u003cstrong\u003eShort-circuit and thermal protection\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePackage: \u003cstrong\u003eDIP-8 \/ SOIC-8\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompliance: \u003cstrong\u003eRoHS compliant\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMCP2562 vs TJA1050\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMCP2562\u003c\/strong\u003e: Microchip, 5V supply, slope control for EMI reduction, 112 nodes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTJA1050\u003c\/strong\u003e: NXP, 5V supply, no slope control, 110 nodes\u003c\/li\u003e\n\u003cli\u003eBoth are ISO 11898-2 compliant and MCP2515 compatible\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eArduino CAN bus with MCP2515 controller\u003c\/li\u003e\n\u003cli\u003eAutomotive OBD-II CAN bus interface\u003c\/li\u003e\n\u003cli\u003eIndustrial CAN bus sensor and actuator network\u003c\/li\u003e\n\u003cli\u003eElectric vehicle BMS CAN bus communication\u003c\/li\u003e\n\u003cli\u003eRobotics inter-board CAN communication\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45672290025707,"sku":"","price":5.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/MCP2562EP-High-Speed-CAN-Transceiver.jpg?v=1723008951"},{"product_id":"mcp2562fd-can-fd-bus-transceiver","title":"MCP2562FD High-Speed CAN FD Bus Transceiver — ISO 11898-2","description":"\u003ch2\u003eMCP2562FD High-Speed CAN FD Bus Transceiver — ISO 11898-2\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMCP2562FD\u003c\/strong\u003e is a \u003cstrong\u003ehigh-speed CAN FD (Flexible Data-rate) bus transceiver\u003c\/strong\u003e from Microchip Technology, compliant with \u003cstrong\u003eISO 11898-2\u003c\/strong\u003e. CAN FD extends classic CAN with a \u003cstrong\u003ehigher data-phase bit rate up to 8Mbps\u003c\/strong\u003e and larger payload frames (up to 64 bytes vs. 8 bytes in classic CAN) — enabling faster and more data-rich communication in automotive and industrial networks. Backward compatible with classic CAN 2.0 at 1Mbps.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIC: \u003cstrong\u003eMCP2562FD\u003c\/strong\u003e | Standard: \u003cstrong\u003eISO 11898-2 (CAN FD)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eArbitration phase: \u003cstrong\u003eup to 1Mbps\u003c\/strong\u003e | Data phase: \u003cstrong\u003eup to 8Mbps\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupply voltage: \u003cstrong\u003e5V\u003c\/strong\u003e | Bus nodes: \u003cstrong\u003eup to 112\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eBackward compatible: \u003cstrong\u003eYes (classic CAN 2.0)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eBus protection: \u003cstrong\u003eShort-circuit and thermal protection\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePackage: \u003cstrong\u003eDIP-8 \/ SOIC-8\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompliance: \u003cstrong\u003eRoHS compliant\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCAN FD vs Classic CAN\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCAN FD data phase\u003c\/strong\u003e: up to 8Mbps vs. 1Mbps for classic CAN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCAN FD payload\u003c\/strong\u003e: up to 64 bytes per frame vs. 8 bytes for classic CAN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackward compatible\u003c\/strong\u003e: MCP2562FD works on classic CAN networks at 1Mbps\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAutomotive CAN FD network transceiver\u003c\/li\u003e\n\u003cli\u003eIndustrial high-speed CAN FD sensor network\u003c\/li\u003e\n\u003cli\u003eElectric vehicle BMS high-speed CAN FD communication\u003c\/li\u003e\n\u003cli\u003eRobotics high-bandwidth inter-board CAN FD bus\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45672293892331,"sku":"","price":9.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/MCP2562FD-High-Speed-CAN-Transceiver.jpg?v=1723008946"},{"product_id":"74hc595-8bit-serial-in-parallel-out-shift-register-ic-dip16","title":"74HC595 8-Bit Serial-In Parallel-Out Shift Register IC DIP-16 – Output Latch, 3-State","description":"\u003ch2\u003e74HC595 8-Bit Serial-In Parallel-Out Shift Register IC – DIP-16\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e74HC595\u003c\/strong\u003e is the most popular output expander IC in the maker and embedded systems world – it takes serial data from a microcontroller over 3 wires (DATA, CLOCK, LATCH) and drives 8 parallel outputs simultaneously. Connect one to an Arduino and drive 8 LEDs, relays, or digital outputs using only 3 GPIO pins. Cascade multiple ICs to drive 16, 24, or 32 outputs with the same 3-wire interface. The output latch ensures all 8 outputs update simultaneously, preventing glitches during data shifting.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 74HC595 \/ SN74HC595N \/ MC74HC595AN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e DIP-16 (through-hole, 2.54mm pitch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e 8-bit serial-in, parallel-out shift register with output latch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 2V – 6V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClock Frequency:\u003c\/strong\u003e Up to 25MHz at 4.5V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Drive Current:\u003c\/strong\u003e ±25mA per pin (70mA total)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Enable (̅O̅E̅):\u003c\/strong\u003e Active LOW – tri-state all outputs when HIGH\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaster Reset (̅M̅R̅):\u003c\/strong\u003e Active LOW – clears shift register (not output latch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −40°C to +125°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow the 74HC595 Works\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStep 1 – Shift:\u003c\/strong\u003e Clock in 8 bits of data via DS (serial data) and SHCP (shift clock) – data enters the shift register\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStep 2 – Latch:\u003c\/strong\u003e Pulse STCP (storage clock \/ latch) – all 8 bits transfer to output latch simultaneously\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResult:\u003c\/strong\u003e Q0–Q7 outputs update all at once – no glitches during shifting\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCascade:\u003c\/strong\u003e Connect Q7S (serial output) of IC1 to DS of IC2 for 16-bit expansion\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eArduino Wiring (3 Pins)\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDS (Pin 14) → Arduino data pin (e.g., D11)\u003c\/li\u003e\n  \u003cli\u003eSHCP (Pin 11) → Arduino clock pin (e.g., D13)\u003c\/li\u003e\n  \u003cli\u003eSTCP (Pin 12) → Arduino latch pin (e.g., D8)\u003c\/li\u003e\n  \u003cli\u003e̅O̅E̅ (Pin 13) → GND (always enabled)\u003c\/li\u003e\n  \u003cli\u003e̅M̅R̅ (Pin 10) → VCC (no reset)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArduino GPIO expansion:\u003c\/strong\u003e Drive 8 LEDs, relays, or digital outputs with 3 pins\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED matrix driver:\u003c\/strong\u003e Row or column driver for LED matrix displays\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e7-segment display driver:\u003c\/strong\u003e Drive 7-segment displays via serial interface\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelay board control:\u003c\/strong\u003e Control 8 relays from 3 microcontroller pins\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCascaded expansion:\u003c\/strong\u003e Chain for 16, 24, 32+ digital outputs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 74HC595 DIP-16 8-bit serial-in parallel-out shift register IC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e3 pins in, 8 outputs out – the 74HC595 is the essential output expander for Arduino, Raspberry Pi, and any microcontroller project needing more digital outputs.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674451665131,"sku":"","price":5.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/74HC595-8-Bit-Shift-Register-1.jpg?v=1723007483"},{"product_id":"74hct125-quad-bus-buffer-ic-dip14-ttl-compatible-3-state","title":"74HCT125 Quad Bus Buffer IC DIP-14 – TTL-Compatible, 3-State, Non-Inverting","description":"\u003ch2\u003e74HCT125 Quad Bus Buffer IC – DIP-14, TTL-Compatible, 3-State\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e74HCT125\u003c\/strong\u003e is a quad (4-channel) non-inverting bus buffer with TTL-compatible inputs and individually controlled 3-state outputs – the TTL-input version of the 74HC125. Each of the four channels has its own independent output enable (̅O̅E̅) pin, allowing individual channel control. With TTL input thresholds (VIH = 2.0V), it's the correct choice for buffering 3.3V signals to drive 5V TTL systems, or for isolating bus segments with independent tri-state control.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 74HCT125 \/ SN74HCT125N \/ MC74HCT125AN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e DIP-14 (through-hole, 2.54mm pitch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 4 (independent, non-inverting)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 4.5V – 5.5V (5V operation)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Thresholds:\u003c\/strong\u003e TTL (VIH = 2.0V, VIL = 0.8V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Enable:\u003c\/strong\u003e Individual per channel (̅O̅E̅1–̅O̅E̅4, active LOW)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Drive Current:\u003c\/strong\u003e ±25mA per pin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePropagation Delay:\u003c\/strong\u003e ~10ns (typical at 4.5V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −40°C to +125°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e74HCT125 vs 74HC125 – Input Threshold Difference\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e74HC125:\u003c\/strong\u003e CMOS inputs (VIH = 0.7×VCC = 3.5V at 5V) – requires full CMOS swing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e74HCT125:\u003c\/strong\u003e TTL inputs (VIH = 2.0V) – accepts 3.3V logic signals at 5V supply\u003c\/li\u003e\n  \u003cli\u003eUse 74HCT125 when the input signal is 3.3V and the output needs to be 5V-compatible\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3.3V → 5V level shifting:\u003c\/strong\u003e Buffer 3.3V microcontroller outputs to drive 5V TTL peripherals\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBus isolation:\u003c\/strong\u003e Individually tri-state 4 bus lines with independent control\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSignal buffering:\u003c\/strong\u003e Drive multiple loads from a single signal source\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArduino to 5V TTL:\u003c\/strong\u003e Interface Arduino (5V) outputs with TTL-threshold devices\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiplexed bus:\u003c\/strong\u003e Selectively connect\/disconnect bus segments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 74HCT125 DIP-14 quad bus buffer IC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFour independently controlled TTL-compatible buffers with 3-state outputs – the 74HCT125 is the go-to IC for 3.3V↔5V level shifting and bus isolation with individual channel control.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674451894507,"sku":"","price":5.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/74HCT125-4-Channel-Buffer-with-3-State-outputs.jpg?v=1723007479"},{"product_id":"74hct245-octal-bus-transceiver-ic-dip20-ttl-compatible-3-state","title":"74HCT245 Octal Bus Transceiver IC DIP-20 – TTL-Compatible, 3-State, Bidirectional","description":"\u003ch2\u003e74HCT245 Octal Bus Transceiver IC – DIP-20, TTL-Compatible, 3-State\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e74HCT245\u003c\/strong\u003e is an octal (8-bit) bidirectional bus transceiver with TTL-compatible inputs and 3-state outputs – the TTL-input version of the popular 74HC245. The key difference: the 74HCT245 accepts TTL logic levels (VIH = 2.0V) at its inputs, making it the correct choice for interfacing 5V TTL logic with CMOS systems, or for level shifting between 3.3V and 5V systems when the driving side uses TTL thresholds. Eight bidirectional buffers with direction control (DIR) and output enable (̅O̅E̅) in a single DIP-20 package.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 74HCT245 \/ SN74HCT245N \/ MC74HCT245AN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e DIP-20 (through-hole, 2.54mm pitch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 8 (bidirectional)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 4.5V – 5.5V (5V operation)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Thresholds:\u003c\/strong\u003e TTL (VIH = 2.0V, VIL = 0.8V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Drive Current:\u003c\/strong\u003e ±25mA per pin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePropagation Delay:\u003c\/strong\u003e ~10ns (typical at 4.5V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirection Control (DIR):\u003c\/strong\u003e HIGH = A→B, LOW = B→A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Enable (̅O̅E̅):\u003c\/strong\u003e Active LOW – pull HIGH to tri-state all outputs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −40°C to +125°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e74HCT245 vs 74HC245 – When to Use Each\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e74HC245:\u003c\/strong\u003e CMOS inputs (VIH = 0.7×VCC) – use when driving from CMOS logic (Arduino, ESP32)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e74HCT245:\u003c\/strong\u003e TTL inputs (VIH = 2.0V) – use when driving from 5V TTL logic or for 3.3V↔5V level shifting\u003c\/li\u003e\n  \u003cli\u003eBoth have identical output specifications and pinout\u003c\/li\u003e\n  \u003cli\u003eUse 74HCT245 when the input signal may not reach 0.7×VCC (e.g., 3.3V signal driving a 5V 74HC245)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eData bus buffering:\u003c\/strong\u003e Bidirectional 8-bit data bus isolation and buffering\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3.3V ↔ 5V level shifting:\u003c\/strong\u003e Interface 3.3V microcontrollers with 5V peripherals\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBus isolation:\u003c\/strong\u003e Separate bus segments with tri-state control\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTTL to CMOS interface:\u003c\/strong\u003e Buffer 5V TTL signals for CMOS systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMemory interface:\u003c\/strong\u003e Data bus buffering for SRAM and EEPROM\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 74HCT245 DIP-20 octal bus transceiver IC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eEight bidirectional TTL-compatible buffers with 3-state outputs – the 74HCT245 is the correct choice for 5V TTL bus buffering and 3.3V↔5V level shifting in digital systems.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674455662827,"sku":"","price":5.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/74HCT245-Bus-Transceiver-with-3-State-Outputs.jpg?v=1723007474"},{"product_id":"mcp2562-can-bus-transceiver-1","title":"MCP2562 CAN Bus Transceiver","description":"\u003cp\u003e\u003cspan\u003eProvides interface between bus controller and the physical CAN bus\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eDESCRIPTION\u003c\/h2\u003e\n\u003cp\u003eThe MCP2562 is a 2nd generation high-speed CAN transceiver.  It provides the interface between a CAN protocol controller and the physical 2-wire CAN bus.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003ePACKAGE INCLUDES:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMCP2562-E\/P CAN Bus Transceiver DIP IC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eKEY FEATURES OF MCP2562:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUp to 1Mb\/s bus speed\u003c\/li\u003e\n\u003cli\u003eUp to 112 nodes\u003c\/li\u003e\n\u003cli\u003e5V Operation\u003c\/li\u003e\n\u003cli\u003e3.3 and 5V logic compatible\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCAN stands for Controller Area Network and it is often thought of as primarily an automotive communication bus since it is the standard for use with automobiles to connect all the electronics and sensors together and is brought out to the outside world via the ODB-II interface.\u003c\/p\u003e\n\u003cp\u003eThe CAN bus is in fact a good communication bus for many applications that use multiple distributed MCUs which need to interact with each other such as in factory automation or robotics.\u003c\/p\u003e\n\u003cp\u003eThe key features of the CAN bus is that it uses only 2 wires for bus communications and all MCUs connect to these same 2 wires.\u003c\/p\u003e\n\u003cp\u003eThis IC is used to provide the interface for connecting a built-in CAN bus controller as found in some of the more advanced MCUs like the Teensy 4.1, to the physical differential bus lines that connect the different MCUs on the bus.\u003c\/p\u003e\n\u003ch3\u003eCAN Bus Hardware Connections\u003c\/h3\u003e\n\u003cp\u003eThe physical bus consists of two end nodes which sit at the two ends of the bus.  A cable of twisted pair wire which is usually shielded connect the two nodes.  For bench-top type use, any 2 wires will work to connect the nodes.   As the bus length increases or the environmental electrical noise increases, using twisted pair and adding shielding becomes more important.\u003c\/p\u003e\n\u003cp\u003eThe end nodes have a 120 ohm resistor that terminate the two ends of the bus.\u003c\/p\u003e\n\u003cp\u003eOther nodes can be added between the two end nodes.  These can be spliced in-line or attached to the main bus using a short stub cable as long as the length is kept under 12″.  These additional nodes do not use a 120 ohm termination resistor.\u003c\/p\u003e\n\u003cdiv id=\"attachment_6454\" class=\"wp-caption aligncenter\"\u003e\n\u003cimg decoding=\"async\" aria-describedby=\"caption-attachment-6454\" class=\"wp-image-6454 size-full entered lazyloaded\" src=\"https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2.jpg\" alt=\"MCP2515 Wire Diagram\" width=\"544\" height=\"172\" data-lazy-srcset=\"https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2.jpg 544w, https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2-300x95.jpg 300w, https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2-280x89.jpg 280w, https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2-400x126.jpg 400w\" data-lazy-sizes=\"(max-width: 544px) 100vw, 544px\" data-lazy-src=\"https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2.jpg\" data-ll-status=\"loaded\" sizes=\"(max-width: 544px) 100vw, 544px\" srcset=\"https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2.jpg 544w, https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2-300x95.jpg 300w, https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2-280x89.jpg 280w, https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2-400x126.jpg 400w\"\u003e\n\u003cp id=\"caption-attachment-6454\" class=\"wp-caption-text\"\u003eTypical CAN Bus Arrangement\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eIC Connections\u003c\/h3\u003e\n\u003cp\u003e\u003cimg decoding=\"async\" class=\"alignright size-full wp-image-10918 entered lazyloaded\" src=\"https:\/\/protosupplies.com\/wp-content\/uploads\/2021\/03\/MCP2652-Pinout.jpg\" alt=\"MCP2652 Pinout\" width=\"198\" height=\"121\" data-lazy-src=\"https:\/\/protosupplies.com\/wp-content\/uploads\/2021\/03\/MCP2652-Pinout.jpg\" data-ll-status=\"loaded\"\u003eConnections to this IC are pretty straightforward.  The IC is powered from 5V on the Vdd pin and ground on the Vss pin.\u003c\/p\u003e\n\u003cp\u003eThe voltage of the I\/O is controlled by the voltage applied to the Vio pin.  If this is being used with a 5V MCU, the Vio can be connected to Vdd.  If it is being used with a 3.3V MCU, Vio should be connected to 3.3V.\u003c\/p\u003e\n\u003cp\u003eThe MCU connects to the Txd \/ Rxd pins.  Txd connects to the transmit data output of the CAN bus controller while Rxd connects to the receive data input on the CAN bus controller.\u003c\/p\u003e\n\u003cp\u003eThe physical CAN bus connects to the CANH \/ CANL pins.  CANH output drives the high-side of the CAN differential bus lines.  The CANL output drives the low-side.  CANH is connected to other CANH and CANL are connected to other CANL.  The transceivers at the two ends of the physical bus should have 120 ohm load resistors placed between CANH and CANL.\u003c\/p\u003e\n\u003cp\u003eStandby is internally pulled HIGH and is enabled by default.  Standby puts the IC into a low power partial sleep mode.  For normal operation, pull the STBY pin LOW or tie to ground if standby mode is not going to be used.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTxd \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  Transmit Data Input from MCU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVss \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVdd \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  Supply Voltage (4.5 – 5.5V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRxd \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  Receive Data Out to MCU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVio \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  Digital I\/O Supply Pin.  For 3.3V MCU, connect to 3.3V.  For 5V MCU connect to 5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCANH \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  CAN Bus H connection.  CANH connects to CANH on other transceivers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCANL\u003c\/strong\u003e  =  CAN Bus L connection.  CANL connects to CANL on other transceivers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTBY \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  Standby Mode Input.  Pull LOW to disable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eOUR EVALUATION RESULTS:\u003c\/h2\u003e\n\u003cp\u003eThe CAN Bus is an underutilized bus and well worth exploring in the context of a distributed MCU system as it allows more of the system architecture to be moved to the software side of the equation which increases flexibility.  You don’t see cars having to have their CAN bus rewired every time some module is changed to add or remove a feature.  It is also very robust in order to survive the harsh automotive environment.\u003c\/p\u003e\n\u003cp\u003eThese chips work well for adding the final link between the CAN bus controllers that are often present on more advanced MCUs and the physical bus wires.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNotes: \u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\u003ci\u003eNone\u003c\/i\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch2\u003eTECHNICAL SPECIFICATIONS\u003c\/h2\u003e\n\u003ctable class=\"table table-hover\" width=\"862\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e\u003cstrong\u003e Operating Ratings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"264\"\u003e\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e     Vdd\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eRange\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e4.5V to 5.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e     Vio\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eRange\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e1.8V to 5.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e     Icc\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eTypical recessive current\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e5mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eTypical dominant current\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e45mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eTypical standby current\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e5uA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e\u003cstrong\u003eDatasheets\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eMicrochip\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e\u003ca href=\"https:\/\/ww1.microchip.com\/downloads\/en\/DeviceDoc\/20005167C.pdf\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan\u003e\u003cstrong\u003eMCP2562\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!----\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674469196011,"sku":"","price":3.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/MCP2562EP-High-Speed-CAN-Transceiver_dede80cd-fe65-429c-9f4b-e105d53cd144.jpg?v=1723007385"},{"product_id":"mcp2562fd-high-speed-can-bus-transceiver-1","title":"MCP2562FD High-Speed CAN Bus Transceiver","description":"\u003cp\u003e\u003cspan\u003eProvides interface between bus controller and physical CAN bus\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eDESCRIPTION\u003c\/h2\u003e\n\u003cp\u003eThe MCP2562FD is a high-speed CAN transceiver that operates at up to 8Mbps.  It provides the interface between a CAN protocol controller and the physical 2-wire CAN bus.  It has the same features as the MCP2562 but supports higher bus speeds required for CAN FD.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003ePACKAGE INCLUDES:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMCP2562FD-E\/P CAN Bus Transceiver DIP IC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eKEY FEATURES OF MCP2562FD:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUp to 8Mb\/s bus speed\u003c\/li\u003e\n\u003cli\u003eUp to 112 nodes\u003c\/li\u003e\n\u003cli\u003e5V Operation\u003c\/li\u003e\n\u003cli\u003e3.3 and 5V logic compatible\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCAN stands for Controller Area Network and it is often thought of as primarily an automotive communication bus since it is the standard for use with automobiles to connect all the electronics and sensors together and is brought out to the outside world via the ODB-II interface.\u003c\/p\u003e\n\u003cp\u003eThe CAN bus is in fact a good communication bus for many applications that use multiple distributed MCUs which need to interact with each other such as in factory automation or robotics.\u003c\/p\u003e\n\u003cp\u003eThe key features of the CAN bus is that it uses only 2 wires for bus communications and all MCUs connect to these same 2 wires.\u003c\/p\u003e\n\u003cp\u003eThis IC is used to provide the interface for connecting a built-in CAN bus controller as found in some of the more advanced MCUs like the Teensy 4.1, to the physical differential bus lines that connect the different MCUs on the bus.\u003c\/p\u003e\n\u003ch3\u003eCAN Bus Hardware Connections\u003c\/h3\u003e\n\u003cp\u003eThe physical bus consists of two end nodes which sit at the two ends of the bus.  A cable of twisted pair wire which is usually shielded connect the two nodes.  For bench-top type use, any 2 wires will work to connect the nodes.   As the bus length increases or the environmental electrical noise increases, using twisted pair and adding shielding becomes more important.\u003c\/p\u003e\n\u003cp\u003eThe end nodes have a 120 ohm resistor that terminate the two ends of the bus.\u003c\/p\u003e\n\u003cp\u003eOther nodes can be added between the two end nodes.  These can be spliced in-line or attached to the main bus using a short stub cable as long as the length is kept under 12″.  These additional nodes do not use a 120 ohm termination resistor.\u003c\/p\u003e\n\u003cdiv id=\"attachment_6454\" class=\"wp-caption aligncenter\"\u003e\n\u003cimg decoding=\"async\" aria-describedby=\"caption-attachment-6454\" class=\"wp-image-6454 size-full entered lazyloaded\" src=\"https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2.jpg\" alt=\"MCP2515 Wire Diagram\" width=\"544\" height=\"172\" data-lazy-srcset=\"https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2.jpg 544w, https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2-300x95.jpg 300w, https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2-280x89.jpg 280w, https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2-400x126.jpg 400w\" data-lazy-sizes=\"(max-width: 544px) 100vw, 544px\" data-lazy-src=\"https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2.jpg\" data-ll-status=\"loaded\" sizes=\"(max-width: 544px) 100vw, 544px\" srcset=\"https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2.jpg 544w, https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2-300x95.jpg 300w, https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2-280x89.jpg 280w, https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2-400x126.jpg 400w\"\u003e\n\u003cp id=\"caption-attachment-6454\" class=\"wp-caption-text\"\u003eTypical CAN Bus Arrangement\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eIC Connections\u003c\/h3\u003e\n\u003cp\u003e\u003cimg decoding=\"async\" class=\"alignright size-full wp-image-10918 entered lazyloaded\" src=\"https:\/\/protosupplies.com\/wp-content\/uploads\/2021\/03\/MCP2652-Pinout.jpg\" alt=\"MCP2652 Pinout\" width=\"198\" height=\"121\" data-lazy-src=\"https:\/\/protosupplies.com\/wp-content\/uploads\/2021\/03\/MCP2652-Pinout.jpg\" data-ll-status=\"loaded\"\u003eConnections to this IC are pretty straightforward.  The IC is powered from 5V on the Vdd pin and ground on the Vss pin.\u003c\/p\u003e\n\u003cp\u003eThe voltage of the I\/O is controlled by the voltage applied to the Vio pin.  If this is being used with a 5V MCU, the Vio can be connected to Vdd.  If it is being used with a 3.3V MCU, Vio should be connected to 3.3V.\u003c\/p\u003e\n\u003cp\u003eThe MCU connects to the Txd \/ Rxd pins.  Txd connects to the transmit data output of the CAN bus controller while Rxd connects to the receive data input on the CAN bus controller.\u003c\/p\u003e\n\u003cp\u003eThe physical CAN bus connects to the CANH \/ CANL pins.  CANH output drives the high-side of the CAN differential bus lines.  The CANL output drives the low-side.  CANH is connected to other CANH and CANL are connected to other CANL.  The transceivers at the two ends of the physical bus should have 120 ohm load resistors placed between CANH and CANL.\u003c\/p\u003e\n\u003cp\u003eStandby is internally pulled HIGH and is enabled by default.  Standby puts the IC into a low power partial sleep mode.  For normal operation, pull the STBY pin LOW or tie to ground if standby mode is not going to be used.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTxd \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  Transmit Data Input from MCU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVss \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVdd \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  Supply Voltage (4.5 – 5.5V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRxd \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  Receive Data Out to MCU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVio \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  Digital I\/O Supply Pin.  For 3.3V MCU, connect to 3.3V.  For 5V MCU connect to 5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCANH \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  CAN Bus H connection.  CANH connects to CANH on other transceivers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCANL\u003c\/strong\u003e  =  CAN Bus L connection.  CANL connects to CANL on other transceivers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTBY \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  Standby Mode Input.  Pull LOW to disable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eOUR EVALUATION RESULTS:\u003c\/h2\u003e\n\u003cp\u003eThe CAN Bus is an underutilized bus and well worth exploring in the context of a distributed MCU system as it allows more of the system architecture to be moved to the software side of the equation which increases flexibility.  You don’t see cars having to have their CAN bus rewired every time some module is changed to add or remove a feature.  It is also very robust in order to survive the harsh automotive environment.\u003c\/p\u003e\n\u003cp\u003eThese chips work well for adding the final link between the CAN bus controllers that are often present on more advanced MCUs and the physical bus wires.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNotes: \u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\u003ci\u003eNone\u003c\/i\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch2\u003eTECHNICAL SPECIFICATIONS\u003c\/h2\u003e\n\u003ctable class=\"table table-hover\" width=\"862\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e\u003cstrong\u003e Operating Ratings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"264\"\u003e\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e     Vdd\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eRange\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e4.5V to 5.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e     Vio\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eRange\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e1.8V to 5.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e     Icc\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eTypical recessive current\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e5mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eTypical dominant current\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e45mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eTypical standby current\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e5uA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e\u003cstrong\u003eDatasheets\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eMicrochip\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e\u003ca href=\"https:\/\/ww1.microchip.com\/downloads\/en\/DeviceDoc\/20005284A.pdf\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan\u003e\u003cstrong\u003eMCP2562FD\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!----\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674470047979,"sku":"","price":6.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/MCP2562FD-High-Speed-CAN-Transceiver_c2495e64-7a54-4003-9d25-370db8c9324e.jpg?v=1723007381"},{"product_id":"mic5891-high-voltage-8-bit-shift-register","title":"MIC5891 High-Voltage 8-Bit Shift Register IC DIP-16 — 50V \/ 500mA, Darlington Output, Arduino","description":"\u003ch2\u003eMIC5891 High-Voltage 8-Bit Shift Register — 50V \/ 500mA Darlington Output, DIP-16\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eMIC5891\u003c\/strong\u003e is a high-side 8-bit serial-in \/ parallel-out shift register with integrated Darlington transistor output drivers, capable of sourcing up to \u003cstrong\u003e500mA at 50V per channel\u003c\/strong\u003e. Think of it as a 74HC595 with built-in power transistors — it accepts serial data from a microcontroller and drives high-voltage, high-current loads directly, without external transistors or driver ICs. It is the definitive solution for driving large common-cathode 7-segment LED displays, relay arrays, solenoids, and other high-power loads from a single SPI-compatible interface.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8-bit serial-in \/ parallel-out\u003c\/strong\u003e — SPI-compatible, 3-wire interface (DATA, CLOCK, LATCH)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-side Darlington outputs\u003c\/strong\u003e — sources up to 500mA @ 50V per channel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic supply:\u003c\/strong\u003e 4.5–15V — 5V logic compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad supply:\u003c\/strong\u003e 5–50V — drives high-voltage displays and loads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in inductive load suppression diodes\u003c\/strong\u003e — relay and solenoid protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaisy-chainable\u003c\/strong\u003e — cascade multiple MIC5891s for more outputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePWM brightness control\u003c\/strong\u003e via OE (Output Enable) pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIP-16 package\u003c\/strong\u003e — breadboard and through-hole PCB compatible\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLogic Operating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.5–15V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoad Operating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5–50V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContinuous Output Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500mA per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSerial SPI (DATA, CLOCK, LATCH, OE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-side Darlington (open emitter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDIP-16 (through-hole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMicrochip Technology\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eMIC5891 vs 74HC595\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e74HC595:\u003c\/strong\u003e Logic-level outputs only (max ~35mA @ 5V) — requires external transistors for power loads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMIC5891 (this):\u003c\/strong\u003e Integrated Darlington drivers — drives 500mA @ 50V directly, no external transistors needed\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLarge common-cathode 7-segment LED displays (4″–6″ digits requiring 5–15V)\u003c\/li\u003e\n\u003cli\u003eRelay array control from Arduino \/ microcontroller\u003c\/li\u003e\n\u003cli\u003eSolenoid valve driver (with built-in suppression diodes)\u003c\/li\u003e\n\u003cli\u003eHigh-power LED matrix driver\u003c\/li\u003e\n\u003cli\u003eIndustrial output expansion for PLCs and embedded controllers\u003c\/li\u003e\n\u003cli\u003eMotor driver enable\/disable control\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eArduino Wiring (Basic)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 2 (CLOCK)\u003c\/strong\u003e → Arduino digital pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 3 (DATA IN)\u003c\/strong\u003e → Arduino digital pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 4 (LATCH)\u003c\/strong\u003e → Arduino digital pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin 14 (OE)\u003c\/strong\u003e → Arduino PWM pin (LOW = outputs enabled; PWM = brightness control)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVDD (logic)\u003c\/strong\u003e → 5V | \u003cstrong\u003eVbb (load)\u003c\/strong\u003e → load supply voltage (5–50V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGND\u003c\/strong\u003e → common ground\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1 × MIC5891 High-Voltage 8-Bit Shift Register (DIP-16, Microchip Technology)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cem\u003e\u003ca href=\"http:\/\/ww1.microchip.com\/downloads\/en\/DeviceDoc\/20005638A.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eMIC5891 Datasheet (Microchip PDF)\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674474635499,"sku":"","price":6.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/MIC5891N-HV-8-Bit-Shift-Register-1.jpg?v=1723007334"},{"product_id":"tpic6b595-high-power-8-bit-shift-register","title":"TPIC6B595 Power Logic 8-Bit Shift Register IC DIP-20 — 50V \/ 150mA, Low-Side, Arduino","description":"\u003ch2\u003eTPIC6B595 — Power Logic 8-Bit Shift Register, DIP-20\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eTPIC6B595\u003c\/strong\u003e is a power logic 8-bit serial-in \/ parallel-out shift register with integrated N-channel DMOS transistor outputs, capable of sinking up to \u003cstrong\u003e150mA at 50V per channel\u003c\/strong\u003e. It is the low-side counterpart to the MIC5891 (high-side) — where the MIC5891 sources current to common-cathode loads, the TPIC6B595 sinks current from common-anode loads. With built-in clamp diodes on all outputs and a standard SPI-compatible 3-wire interface, it is the definitive solution for driving common-anode 7-segment LED displays, relay coils (low-side), and other high-current loads directly from a microcontroller.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8-bit serial-in \/ parallel-out\u003c\/strong\u003e — SPI-compatible 3-wire interface (SER IN, SRCK, RCK)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-side DMOS outputs\u003c\/strong\u003e — sinks up to 150mA @ 50V per channel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in clamp diodes\u003c\/strong\u003e on all outputs — inductive load protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic supply:\u003c\/strong\u003e 4.5–5.5V — 5V logic compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad supply:\u003c\/strong\u003e up to 50V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaisy-chainable\u003c\/strong\u003e — cascade multiple TPIC6B595s for more outputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Enable (G̅) pin\u003c\/strong\u003e — blanking and PWM brightness control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIP-20 package\u003c\/strong\u003e — breadboard and through-hole PCB compatible\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage (max)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current (per channel)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e150mA continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLogic Supply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.5–5.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSPI-compatible (SER IN, SRCK, RCK, G̅)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLow-side DMOS (open-drain, active-low sink)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eClamp Diodes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuilt-in on all 8 outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDIP-20 (through-hole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTexas Instruments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eTPIC6B595 vs 74HC595 vs MIC5891\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e74HC595:\u003c\/strong\u003e Logic-level outputs only (~35mA) — needs external transistors for power loads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTPIC6B595 (this):\u003c\/strong\u003e 150mA low-side DMOS — drives common-anode displays and low-side relay coils directly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMIC5891:\u003c\/strong\u003e 500mA high-side Darlington — drives common-cathode displays and high-side loads\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCommon-anode 7-segment LED display driver (high-voltage, high-current digits)\u003c\/li\u003e\n\u003cli\u003eLow-side relay coil driver array\u003c\/li\u003e\n\u003cli\u003eSolenoid valve driver (low-side switching)\u003c\/li\u003e\n\u003cli\u003eHigh-power LED matrix driver (common-anode)\u003c\/li\u003e\n\u003cli\u003eIndustrial output expansion for PLCs and embedded controllers\u003c\/li\u003e\n\u003cli\u003eStepper motor phase driver\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1 × TPIC6B595 Power Logic 8-Bit Shift Register (DIP-20, Texas Instruments)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cem\u003e\u003ca href=\"https:\/\/www.ti.com\/lit\/ds\/symlink\/tpic6b595.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eTPIC6B595 Datasheet (Texas Instruments PDF)\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674497638635,"sku":"","price":4.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/TPIC6B595N-HV-Shift-Register-1.jpg?v=1723007241"},{"product_id":"5pcs-sn74hc595n-dip-16-logic-shift-register-ic-74hc595","title":"5PCS SN74HC595N DIP-16 Logic Shift Register IC 74HC595","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S16e1ab3a94384c8297cb9e26b937c48fZ.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\6821efed6b2745928007b8b745938962\\dImgNew\\DImgNew2_isl2ks65.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S7f58100ed0ad4b0eb18ef88351bf36f35.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\6821efed6b2745928007b8b745938962\\dImgNew\\DImgNew3_isl2ks65.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S9ac2b740428143aeac74cedbaf46482bt.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\6821efed6b2745928007b8b745938962\\dImgNew\\DImgNew4_c839cwvn.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S677ea41f808b44279a45ad0c642205e2R.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\6821efed6b2745928007b8b745938962\\dImgNew\\DImgNew5_c839cwvn.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S0e21b31a354d4289bbadaf8a3b46d5b4o.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\6821efed6b2745928007b8b745938962\\dImgNew\\DImgNew6_c839cwvn.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4773dcc652a4420b89fc2d6ee201354eA.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\6821efed6b2745928007b8b745938962\\dImgNew\\DImgNew7_c839cwvn.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46985519890667,"sku":"\u003cnone\u003e","price":12.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/sn74hc595n-dip16-logic-shift-register.webp?v=1761277872"},{"product_id":"10pcs-cd4052be-dip-16-2-channel-analog-multiplexer-demultiplexer-ic","title":"10PCS CD4052BE DIP-16 2-Channel Analog Multiplexer \/ Demultiplexer IC","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003estandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S55186cbc2c1f42c4b084bc09692ea4c1f.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\17516408cdf84f3a9ac34ec79594cc28\\dImgNew\\DImgNew2_cgp7e4vn.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Seed84181030e4086b27d1c13419bf210t.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\17516408cdf84f3a9ac34ec79594cc28\\dImgNew\\DImgNew3_p6vlm42o.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S2bfbf151562b41e8a8388831ada608b8n.jpg\" style=\"width:800px;\" data-src=\"D:\\全球交易助手\\Platforms\\AliChoice\\Data\\AliChoice-cn1093225002neeae-6000948202\\Images\\17516408cdf84f3a9ac34ec79594cc28\\dImgNew\\DImgNew4_3u31u38p.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cimg style=\"width:800px;\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S0e21b31a354d4289bbadaf8a3b46d5b4o.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sa3f7062e3c1f4ffca783d77962bae3ffY.jpg\"\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px;\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S4773dcc652a4420b89fc2d6ee201354eA.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S8f77cefb9333473ea01e39c48fa20777Y.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\u003c\/div\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46985521692907,"sku":"\u003cnone\u003e","price":9.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/cd4052be-dip16-2channel-multiplexer-ic.webp?v=1761275813"},{"product_id":"5pcs-sn74ls-digital-logic-and-counter-ic-set-dip14-in-line-package-for-electronics-projects","title":"5PCS SN74LS Digital Logic and Counter IC Set DIP14 In-line Package for Electronics Projects","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDIP\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\n \u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S0e21b31a354d4289bbadaf8a3b46d5b4o.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sfbd3ccf65bab493eb505901b18061eb9L.jpg\"\u003e\u003c\/p\u003e\n \u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S4773dcc652a4420b89fc2d6ee201354eA.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S9c60ce1f513343c19bb4de021bf7c2abn.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\u003c\/div\u003e","brand":"Keszoox","offers":[{"title":"SN74LS92N","offer_id":46985526378731,"sku":"14:10#SN74LS92N","price":16.04,"currency_code":"USD","in_stock":true},{"title":"SN74LS20N","offer_id":46985526411499,"sku":"14:1202#SN74LS20N","price":9.24,"currency_code":"USD","in_stock":true},{"title":"SN74LS91N","offer_id":46985526444267,"sku":"14:201659813#SN74LS91N","price":47.88,"currency_code":"USD","in_stock":true},{"title":"SN74LS95N","offer_id":46985526477035,"sku":"14:94#SN74LS95N","price":11.6,"currency_code":"USD","in_stock":true},{"title":"SN74LS93N","offer_id":46985526509803,"sku":"14:29#SN74LS93N","price":9.84,"currency_code":"USD","in_stock":true},{"title":"SN74LS90N","offer_id":46985526542571,"sku":"14:4044226#SN74LS90N","price":12.64,"currency_code":"USD","in_stock":true},{"title":"SN74LS86N","offer_id":46985526575339,"sku":"14:351074#SN74LS86N","price":7.52,"currency_code":"USD","in_stock":true},{"title":"SN74LS40N","offer_id":46985526608107,"sku":"14:350852#SN74LS40N","price":19.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/sn74ls-digital-logic-counter-ics-dip14-set.webp?v=1761274730"},{"product_id":"5pcs-sn74ls-series-logic-gate-ics-in-line-dip14-sn74ls10n-13n-15n-19n-22n-26n-27n-31n-32n-33n-37n","title":"5PCS SN74LS Series Logic Gate ICs In-line DIP14 SN74LS10N 13N 15N 19N 22N 26N 27N 31N 32N 33N 37N","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDIP\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\n \u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S0e21b31a354d4289bbadaf8a3b46d5b4o.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sfbd3ccf65bab493eb505901b18061eb9L.jpg\"\u003e\u003c\/p\u003e\n \u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S4773dcc652a4420b89fc2d6ee201354eA.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S9c60ce1f513343c19bb4de021bf7c2abn.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\u003c\/div\u003e","brand":"Keszoox","offers":[{"title":"SN74LS26N","offer_id":46985526804715,"sku":"14:29#SN74LS26N","price":16.52,"currency_code":"USD","in_stock":true},{"title":"SN74LS31N","offer_id":46985526837483,"sku":"14:193#SN74LS31N","price":24.8,"currency_code":"USD","in_stock":true},{"title":"SN74LS27N","offer_id":46985526870251,"sku":"14:173#SN74LS27N","price":32.04,"currency_code":"USD","in_stock":true},{"title":"SN74LS10N","offer_id":46985526903019,"sku":"14:1202#SN74LS10N","price":8.48,"currency_code":"USD","in_stock":true},{"title":"SN74LS37N","offer_id":46985526935787,"sku":"14:2483468872#SN74LS37N","price":13.96,"currency_code":"USD","in_stock":true},{"title":"SN74LS15N","offer_id":46985526968555,"sku":"14:4044226#SN74LS15N","price":23.52,"currency_code":"USD","in_stock":true},{"title":"SN74LS13N","offer_id":46985527001323,"sku":"14:350852#SN74LS13N","price":17.56,"currency_code":"USD","in_stock":true},{"title":"SN74LS22N","offer_id":46985527034091,"sku":"14:10#SN74LS22N","price":15.04,"currency_code":"USD","in_stock":true},{"title":"SN74LS19N","offer_id":46985527066859,"sku":"14:201659813#SN74LS19N","price":27.44,"currency_code":"USD","in_stock":true},{"title":"SN74LS32N","offer_id":46985527099627,"sku":"14:1052#SN74LS32N","price":7.32,"currency_code":"USD","in_stock":true},{"title":"SN74LS33N","offer_id":46985527132395,"sku":"14:771#SN74LS33N","price":21.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/sn74ls-series-logic-gate-ics-dip14_2.webp?v=1761274230"},{"product_id":"3pcs-sn74ahct125n-dip-14-logic-chip-ic","title":"3PCS SN74AHCT125N DIP-14 Logic Chip IC","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDIP\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S0e21b31a354d4289bbadaf8a3b46d5b4o.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S4773dcc652a4420b89fc2d6ee201354eA.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cbr\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46985532211435,"sku":"\u003cnone\u003e","price":8.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/sn74ahct125n-dip14-logic-chip-ic.webp?v=1761202260"},{"product_id":"cd4081be-dip14-cmos-quad-2-input-and-gate-ic-5pcs","title":"CD4081BE DIP-14 CMOS Quad 2-Input AND Gate IC 5PCS | 3–18V Logic","description":"\u003ch2\u003eCD4081BE — DIP-14 CMOS Quad 2-Input AND Gate IC (5PCS)\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eCD4081BE\u003c\/strong\u003e is a classic CMOS quad 2-input AND gate IC in a standard DIP-14 package. Containing four independent 2-input AND gates, it operates across a wide 3V to 18V supply range — making it compatible with both 3.3V and 5V microcontroller systems. Its ultra-low quiescent current and high noise immunity make it ideal for battery-powered logic circuits, signal gating, and digital control applications.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCD4081BE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eQuad 2-Input AND Gate\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGates\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 independent AND gates\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInputs per Gate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDIP-14 (through-hole)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage (VDD)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3V – 18V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLogic Family\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCMOS (4000 series)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuiescent Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUltra-low (CMOS)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNoise Immunity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh (45% of VDD)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5PCS per pack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAND Gate Truth Table\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eInput A\u003c\/th\u003e\n\u003cth\u003eInput B\u003c\/th\u003e\n\u003cth\u003eOutput Y\u003c\/th\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePin Configuration (DIP-14)\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003ePin\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003ePin\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eGate 1 Input A\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003eVDD (+)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eGate 1 Input B\u003c\/td\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003eGate 4 Input A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eGate 1 Output\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003eGate 4 Input B\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eGate 2 Input A\u003c\/td\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003ctd\u003eGate 4 Output\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eGate 2 Input B\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003eGate 3 Input A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eGate 2 Output\u003c\/td\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003ctd\u003eGate 3 Input B\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003eVSS (GND)\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003eGate 3 Output\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhy Choose CD4081BE?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eWide supply range 3–18V\u003c\/strong\u003e — compatible with 3.3V, 5V, 9V, and 12V systems\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003e4 independent AND gates\u003c\/strong\u003e — one IC replaces four discrete gate circuits\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eUltra-low power CMOS\u003c\/strong\u003e — ideal for battery-powered and low-power designs\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eHigh noise immunity\u003c\/strong\u003e — reliable operation in electrically noisy environments\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eDIP-14 through-hole\u003c\/strong\u003e — breadboard and perfboard compatible for easy prototyping\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003e4000 series standard\u003c\/strong\u003e — pin-compatible with CD4081, HEF4081, MC14081 equivalents\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDigital logic circuit design and prototyping\u003c\/li\u003e\n  \u003cli\u003eSignal gating and enable\/disable control circuits\u003c\/li\u003e\n  \u003cli\u003eArduino and microcontroller logic level interfacing\u003c\/li\u003e\n  \u003cli\u003eCombinational logic for control systems\u003c\/li\u003e\n  \u003cli\u003eElectronics education and lab experiments\u003c\/li\u003e\n  \u003cli\u003eAlarm and detection circuit logic\u003c\/li\u003e\n  \u003cli\u003ePWM signal gating and modulation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e5× CD4081BE DIP-14 CMOS Quad 2-Input AND Gate IC\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46985538470123,"sku":"\u003cnone\u003e","price":9.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/cd4081be-dip14-cmos-quad-and-gate-ic.webp?v=1761201239"},{"product_id":"5pcs-sn74ls-series-logic-gate-ics-in-line-dip-14-for-electronics-projects","title":"5PCS SN74LS Series Logic Gate ICs In-Line DIP-14 for Electronics Projects","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSN74LS00N SN74LS01N SN74LS02N SN74LS03N SN74LS04N SN74LS05N SN74LS06N\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDIP\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S0e21b31a354d4289bbadaf8a3b46d5b4o.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sfbd3ccf65bab493eb505901b18061eb9L.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4773dcc652a4420b89fc2d6ee201354eA.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S9c60ce1f513343c19bb4de021bf7c2abn.jpg\"\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Keszoox","offers":[{"title":"SN74LS12N","offer_id":46985540567275,"sku":"14:365458#SN74LS12N","price":23.92,"currency_code":"USD","in_stock":true},{"title":"SN74LS11N","offer_id":46985540600043,"sku":"14:10#SN74LS11N","price":8.12,"currency_code":"USD","in_stock":true},{"title":"SN74LS09N","offer_id":46985540632811,"sku":"14:200004889#SN74LS09N","price":30.64,"currency_code":"USD","in_stock":true},{"title":"SN74LS08N","offer_id":46985540665579,"sku":"14:200004890#SN74LS08N","price":37.64,"currency_code":"USD","in_stock":true},{"title":"SN74LS03N","offer_id":46985540698347,"sku":"14:496#SN74LS03N","price":8.24,"currency_code":"USD","in_stock":true},{"title":"SN74LS02N","offer_id":46985540731115,"sku":"14:1052#SN74LS02N","price":33.48,"currency_code":"USD","in_stock":true},{"title":"SN74LS01N","offer_id":46985540763883,"sku":"14:771#SN74LS01N","price":11.92,"currency_code":"USD","in_stock":true},{"title":"SN74LS00N","offer_id":46985540796651,"sku":"14:1254#SN74LS00N","price":10.28,"currency_code":"USD","in_stock":true},{"title":"SN74LS07N","offer_id":46985540829419,"sku":"14:200002130#SN74LS07N","price":14.24,"currency_code":"USD","in_stock":true},{"title":"SN74LS06N","offer_id":46985540862187,"sku":"14:175#SN74LS06N","price":11.56,"currency_code":"USD","in_stock":true},{"title":"SN74LS05N","offer_id":46985540894955,"sku":"14:193#SN74LS05N","price":8.4,"currency_code":"USD","in_stock":true},{"title":"SN74LS04N","offer_id":46985540927723,"sku":"14:366#SN74LS04N","price":11.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/sn74ls-series-logic-gate-ics-dip14.webp?v=1761200626"},{"product_id":"2pcs-sn74f-series-logic-gate-ics-in-line-dip-14-sn74f00n-to-sn74f38n","title":"2PCS SN74F Series Logic Gate ICs In-Line DIP-14 (SN74F00N to SN74F38N)","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKeszoox\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDIP\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eStandard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S0e21b31a354d4289bbadaf8a3b46d5b4o.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S4773dcc652a4420b89fc2d6ee201354eA.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cbr\u003e","brand":"Keszoox","offers":[{"title":"SN74F32N","offer_id":46985541779691,"sku":"14:173#SN74F32N","price":11.4,"currency_code":"USD","in_stock":true},{"title":"SN74F00N","offer_id":46985541812459,"sku":"14:1202#SN74F00N","price":8.56,"currency_code":"USD","in_stock":true},{"title":"SN74F30N","offer_id":46985541845227,"sku":"14:94#SN74F30N","price":13.6,"currency_code":"USD","in_stock":true},{"title":"SN74F08N","offer_id":46985541877995,"sku":"14:4044226#SN74F08N","price":34.4,"currency_code":"USD","in_stock":true},{"title":"SN74F11N","offer_id":46985541910763,"sku":"14:10#SN74F11N","price":12.04,"currency_code":"USD","in_stock":true},{"title":"SN74F02N","offer_id":46985541943531,"sku":"14:350852#SN74F02N","price":12.12,"currency_code":"USD","in_stock":true},{"title":"SN74F04N","offer_id":46985541976299,"sku":"14:351074#SN74F04N","price":10.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/sn74f-series-logic-gate-ics-dip14.webp?v=1761200500"},{"product_id":"sn74hc166n-174n-175n-191n-192n-194n-195n-dip16-logic-ics-5pcs","title":"SN74HC166N \/ 174N \/ 175N \/ 191N \/ 192N \/ 194N \/ 195N DIP-16 Logic ICs – Pack of 5","description":"\u003ch2\u003eSN74HC166N \/ 174N \/ 175N \/ 191N \/ 192N \/ 194N \/ 195N DIP-16 Logic ICs – Pack of 5\u003c\/h2\u003e\n\n\u003cp\u003eThis listing covers seven essential \u003cstrong\u003e74HC series DIP-16 medium-complexity logic ICs\u003c\/strong\u003e – shift registers, flip-flop arrays, and up\/down counters that form the backbone of sequential digital circuit design. All devices are high-speed CMOS operating from 2V to 6V, compatible with Arduino, Raspberry Pi, and 5V TTL systems.\u003c\/p\u003e\n\n\u003ch3\u003eIC Descriptions\u003c\/h3\u003e\n\n\u003ch4\u003eSN74HC166N – 8-Bit Parallel-Load Shift Register\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e8-bit shift register with parallel load capability\u003c\/li\u003e\n  \u003cli\u003eSerial or parallel input, serial output (Q7)\u003c\/li\u003e\n  \u003cli\u003eSynchronous clear and clock enable\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Parallel-to-serial conversion, data serialization, SPI data transmission\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSN74HC174N – Hex D-Type Flip-Flop with Reset\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e6 positive edge-triggered D flip-flops, common clock and asynchronous reset\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e 6-bit data register, pipeline stage, synchronous state storage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSN74HC175N – Quad D-Type Flip-Flop with Reset\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e4 positive edge-triggered D flip-flops, common clock and asynchronous reset\u003c\/li\u003e\n  \u003cli\u003eComplementary Q and ̅Q̅ outputs per flip-flop\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e 4-bit data register, nibble storage, synchronous state machine\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSN74HC191N – Synchronous 4-Bit Up\/Down Binary Counter\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSynchronous presettable 4-bit binary counter, counts up or down\u003c\/li\u003e\n  \u003cli\u003eSingle U\/̅D̅ pin selects count direction\u003c\/li\u003e\n  \u003cli\u003eRipple clock output for cascading\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Bidirectional event counting, frequency division, position tracking\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSN74HC192N – Synchronous 4-Bit Up\/Down BCD Counter\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSynchronous presettable BCD counter (counts 0–9), up or down\u003c\/li\u003e\n  \u003cli\u003eSeparate UP and DOWN clock inputs\u003c\/li\u003e\n  \u003cli\u003eCarry and borrow outputs for cascading\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Decimal counting, BCD display driving, frequency division by 10\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSN74HC194N – 4-Bit Bidirectional Universal Shift Register\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eShift left, shift right, parallel load, or hold – all 4 modes\u003c\/li\u003e\n  \u003cli\u003eSerial inputs for both shift directions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Serial\/parallel conversion, ring counters, sequence generators, bidirectional data shifting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSN74HC195N – 4-Bit Parallel-Access Shift Register\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e4-bit shift register with parallel load and J\/̅K̅ serial input\u003c\/li\u003e\n  \u003cli\u003eSynchronous parallel load via PE (Parallel Enable) pin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Serial-to-parallel conversion, data buffering, pipeline registers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 2V – 6V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePropagation Delay:\u003c\/strong\u003e ~10–15ns (typical at 4.5V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Drive Current:\u003c\/strong\u003e ±25mA per pin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −40°C to +125°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e5 × DIP-16 logic ICs (select variant from available options)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eShift registers, flip-flop arrays, and up\/down counters – the SN74HC DIP-16 sequential logic family for digital circuit design, embedded systems, and electronics education.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"SN74HC194N","offer_id":46991423996139,"sku":"14:203027873#SN74HC194N","price":7.64,"currency_code":"USD","in_stock":true},{"title":"SN74HC195N","offer_id":46991424028907,"sku":"14:202693815#SN74HC195N","price":12.72,"currency_code":"USD","in_stock":true},{"title":"SN74HC191N","offer_id":46991424061675,"sku":"14:691#SN74HC191N","price":9.04,"currency_code":"USD","in_stock":true},{"title":"SN74HC192N","offer_id":46991424094443,"sku":"14:203008818#SN74HC192N","price":7.04,"currency_code":"USD","in_stock":true},{"title":"SN74HC174N","offer_id":46991424127211,"sku":"14:350852#SN74HC174N","price":9.16,"currency_code":"USD","in_stock":true},{"title":"SN74HC175N","offer_id":46991424159979,"sku":"14:175#SN74HC175N","price":11.76,"currency_code":"USD","in_stock":true},{"title":"SN74HC166N","offer_id":46991424192747,"sku":"14:1202#SN74HC166N","price":13.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/sn74hc166n-174n-175n-191n-192n-194n-195n-dip16-logic-ics.webp?v=1761889559"},{"product_id":"sn74hc244n-sn74hc245n-sn74hc373n-sn74hc374n-dip20-bus-logic-ics-5pcs","title":"SN74HC244N \/ SN74HC245N \/ SN74HC373N \/ SN74HC374N DIP-20 Bus Logic ICs – Pack of 5","description":"\u003ch2\u003eSN74HC244N \/ SN74HC245N \/ SN74HC373N \/ SN74HC374N DIP-20 Bus Logic ICs – Pack of 5\u003c\/h2\u003e\n\n\u003cp\u003eThese four \u003cstrong\u003e74HC series DIP-20 bus interface ICs\u003c\/strong\u003e are the essential building blocks for data bus buffering, level shifting, and data latching in digital systems. All four are octal (8-bit) devices with tri-state outputs for bus sharing, and all operate from 2V to 6V with ±25mA output drive. Together they cover the complete range of bus interface functions: unidirectional buffering, bidirectional transceivers, transparent latches, and edge-triggered registers.\u003c\/p\u003e\n\n\u003ch3\u003eIC Descriptions\u003c\/h3\u003e\n\n\u003ch4\u003eSN74HC244N – Octal Buffer \/ Line Driver (Non-Inverting, 3-State)\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e8 non-inverting buffers with tri-state outputs\u003c\/li\u003e\n  \u003cli\u003eTwo 4-bit groups with independent output enable (̅O̅E̅1, ̅O̅E̅2)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse cases:\u003c\/strong\u003e Bus driving, signal isolation, address bus buffering, GPIO protection\u003c\/li\u003e\n  \u003cli\u003eUnidirectional – data flows from A to Y only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSN74HC245N – Octal Bus Transceiver (Non-Inverting, 3-State)\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e8 bidirectional buffers with tri-state outputs\u003c\/li\u003e\n  \u003cli\u003eDirection control (DIR): HIGH = A→B, LOW = B→A\u003c\/li\u003e\n  \u003cli\u003eOutput enable (̅O̅E̅): active LOW\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse cases:\u003c\/strong\u003e Bidirectional data bus buffering, 3.3V↔5V level shifting, bus isolation\u003c\/li\u003e\n  \u003cli\u003eThe most commonly used bus transceiver in digital systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSN74HC373N – Octal Transparent D-Type Latch (3-State)\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e8 D-type latches with common latch enable (LE) and output enable (̅O̅E̅)\u003c\/li\u003e\n  \u003cli\u003eTransparent when LE is HIGH – outputs follow inputs\u003c\/li\u003e\n  \u003cli\u003eLatches data when LE goes LOW – outputs hold last state\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse cases:\u003c\/strong\u003e Address latching in multiplexed bus systems, data bus demultiplexing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSN74HC374N – Octal D-Type Flip-Flop (3-State, Positive Edge-Triggered)\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e8 D-type flip-flops with common clock (CLK) and output enable (̅O̅E̅)\u003c\/li\u003e\n  \u003cli\u003eData captured on rising clock edge – synchronous operation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse cases:\u003c\/strong\u003e Output port registers, pipeline registers, synchronous data bus latching\u003c\/li\u003e\n  \u003cli\u003ePreferred over 74HC373 for synchronous systems (clock-edge triggered vs level-sensitive)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e DIP-20 (through-hole, 2.54mm pitch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 2V – 6V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Drive Current:\u003c\/strong\u003e ±25mA per pin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePropagation Delay:\u003c\/strong\u003e ~8–12ns (typical at 4.5V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −40°C to +125°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e5 × DIP-20 bus logic ICs (select variant: SN74HC244N, SN74HC245N, SN74HC373N, or SN74HC374N)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe complete 74HC bus interface toolkit – buffers, transceivers, latches, and registers in DIP-20 for data bus buffering, level shifting, and synchronous data capture in digital systems.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"SN74HC245N","offer_id":46991424389355,"sku":"14:175#SN74HC245N","price":6.64,"currency_code":"USD","in_stock":true},{"title":"SN74HC244N","offer_id":46991424422123,"sku":"14:1202#SN74HC244N","price":7.16,"currency_code":"USD","in_stock":true},{"title":"SN74HC374N","offer_id":46991424454891,"sku":"14:203008818#SN74HC374N","price":7.0,"currency_code":"USD","in_stock":true},{"title":"SN74HC373N","offer_id":46991424487659,"sku":"14:691#SN74HC373N","price":7.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/S1827d468995a4bdd87081963716e8e18T.webp?v=1761361110"},{"product_id":"2pcs-tpic6b595n-dip-20-plug-in-shift-register-ic","title":"2PCS TPIC6B595N DIP-20 Plug-in Shift Register IC","description":"\u003ch2\u003eTPIC6B595N DIP-20 Power Logic 8-Bit Shift Register IC — 2pcs\u003c\/h2\u003e\n\u003cp\u003eThe TPIC6B595N is a Texas Instruments power logic 8-bit serial-in, parallel-out shift register with open-drain outputs rated at 50V \/ 150mA per output. Unlike the standard 74HC595 logic-level shift register, the TPIC6B595N can directly drive high-current loads including LEDs, relays, solenoids, and small motors without an external transistor driver stage. SPI-compatible serial interface (SIN, SCLK, RCK) allows daisy-chaining multiple TPIC6B595N ICs for expanded output count. Supplied as a 2-piece pack in DIP-20 through-hole package.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eIC Type\u003c\/td\u003e\n\u003ctd\u003e8-bit serial-in, parallel-out shift register (power logic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eDIP-20 (through-hole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eOpen-drain (N-channel DMOS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage (max)\u003c\/td\u003e\n\u003ctd\u003e50V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current (max)\u003c\/td\u003e\n\u003ctd\u003e150mA per output, 500mA total\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage (VCC)\u003c\/td\u003e\n\u003ctd\u003e4.5V – 5.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eSPI-compatible (SIN, SCLK, RCK, \/SRCLR, \/G)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShift Register Depth\u003c\/td\u003e\n\u003ctd\u003e8 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDaisy-Chain\u003c\/td\u003e\n\u003ctd\u003eYes (SOUT pin to SIN of next IC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e−40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Quantity\u003c\/td\u003e\n\u003ctd\u003e2pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eRoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTPIC6B595N vs 74HC595 Comparison\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eTPIC6B595N\u003c\/th\u003e\n\u003cth\u003e74HC595\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eOpen-drain (50V \/ 150mA)\u003c\/td\u003e\n\u003ctd\u003ePush-pull (5V \/ 35mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDirect LED Drive\u003c\/td\u003e\n\u003ctd\u003eYes (up to 150mA)\u003c\/td\u003e\n\u003ctd\u003eLimited (35mA max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Drive\u003c\/td\u003e\n\u003ctd\u003eYes (with flyback diode)\u003c\/td\u003e\n\u003ctd\u003eNo (requires transistor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh-Voltage Load\u003c\/td\u003e\n\u003ctd\u003eYes (up to 50V)\u003c\/td\u003e\n\u003ctd\u003eNo (5V logic only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDaisy-Chain\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Matrix Driver:\u003c\/strong\u003e Drive 8 LEDs per TPIC6B595N at up to 150mA each — daisy-chain multiple ICs for large LED matrix displays without external transistors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Driver:\u003c\/strong\u003e Control up to 8 relay coils per IC via SPI from Arduino or ESP32, with open-drain outputs providing the current sink for relay coil activation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolenoid Control:\u003c\/strong\u003e Drive solenoid valves and solenoid actuators directly from the TPIC6B595N open-drain outputs with a flyback diode for inductive load protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7-Segment Display:\u003c\/strong\u003e Drive 7-segment LED displays with high brightness (high current) without external current-limiting transistors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSPI Output Expander:\u003c\/strong\u003e Expand Arduino or ESP32 digital output count via SPI with high-current capability for industrial control applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eArduino Wiring\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVCC → 5V | GND → GND | \/G (output enable) → GND (always enabled)\u003c\/li\u003e\n\u003cli\u003eSIN → Arduino D11 (MOSI) | SCLK → D13 (SCK) | RCK → D10 (SS)\u003c\/li\u003e\n\u003cli\u003eConnect load between each output pin (drain) and VCC (or load supply voltage up to 50V)\u003c\/li\u003e\n\u003cli\u003eAdd flyback diode across inductive loads (relays, solenoids)\u003c\/li\u003e\n\u003cli\u003eUse \u003ccode\u003eSPI.transfer(byte);\u003c\/code\u003e to shift 8 bits into the register\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use the TPIC6B595N as a drop-in replacement for the 74HC595?\u003c\/strong\u003e\u003cbr\u003eA: The TPIC6B595N is pin-compatible with the 74HC595 but has open-drain (active-low sink) outputs instead of push-pull outputs. Loads must be connected between the output pin and the positive supply (not to GND). Existing 74HC595 circuits driving LEDs to GND will need to be rewired for the TPIC6B595N.\u003c\/p\u003e\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e2 × TPIC6B595N DIP-20 power logic 8-bit shift register IC\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991426257131,"sku":"\u003cnone\u003e","price":9.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/tpic6b595n-dip20-shift-register-ic.webp?v=1761885473"},{"product_id":"sn74hc393n-sn74hc51n-sn74hc54n-sn74hc73n-dip14-logic-ics-5pcs","title":"SN74HC393N \/ SN74HC51N \/ SN74HC54N \/ SN74HC73N DIP-14 Logic ICs – Pack of 5","description":"\u003ch2\u003eSN74HC393N \/ SN74HC51N \/ SN74HC54N \/ SN74HC73N DIP-14 Logic ICs – Pack of 5\u003c\/h2\u003e\n\n\u003cp\u003eThis pack covers four specialized \u003cstrong\u003e74HC series DIP-14 logic ICs\u003c\/strong\u003e – a dual binary counter, AND-OR-INVERT gates, and a JK flip-flop – providing medium-complexity combinational and sequential logic functions for digital circuit design. All devices are high-speed CMOS operating from 2V to 6V, compatible with Arduino, Raspberry Pi, and 5V TTL systems.\u003c\/p\u003e\n\n\u003ch3\u003eIC Descriptions\u003c\/h3\u003e\n\n\u003ch4\u003eSN74HC393N – Dual 4-Bit Binary Counter\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo independent 4-bit ripple binary counters (counts 0–15 each)\u003c\/li\u003e\n  \u003cli\u003eAsynchronous clear (CLR) per counter\u003c\/li\u003e\n  \u003cli\u003eNegative edge-triggered clock input\u003c\/li\u003e\n  \u003cli\u003eCarry output from Q3 for cascading to 8-bit, 12-bit, 16-bit counters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse cases:\u003c\/strong\u003e Frequency division, event counting, address generation, timer circuits\u003c\/li\u003e\n  \u003cli\u003eNote: Ripple counter (asynchronous) – use 74HC163 for synchronous counting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSN74HC51N – Dual AND-OR-INVERT Gate\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo independent AND-OR-INVERT (AOI) gates\u003c\/li\u003e\n  \u003cli\u003eGate 1: 2-wide 2-input AOI (2 AND gates feeding 1 NOR)\u003c\/li\u003e\n  \u003cli\u003eGate 2: 2-wide 2-input AOI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse cases:\u003c\/strong\u003e Compact combinational logic, sum-of-products implementation, carry logic in adders\u003c\/li\u003e\n  \u003cli\u003eImplements complex logic in fewer gates than discrete AND + OR + NOT\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSN74HC54N – 4-Wide AND-OR-INVERT Gate\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSingle 4-wide AND-OR-INVERT gate (4 AND gates feeding 1 NOR)\u003c\/li\u003e\n  \u003cli\u003eInputs: 2+2+2+2 (four 2-input AND gates)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse cases:\u003c\/strong\u003e Complex combinational logic, carry-lookahead adder logic, multiplexer control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSN74HC73N – Dual JK Flip-Flop with Clear\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo independent negative edge-triggered JK flip-flops\u003c\/li\u003e\n  \u003cli\u003eAsynchronous clear (CLR, active LOW) per flip-flop\u003c\/li\u003e\n  \u003cli\u003eJ=1, K=1 → Toggle mode (divide-by-2 counter)\u003c\/li\u003e\n  \u003cli\u003eJ=1, K=0 → Set | J=0, K=1 → Reset | J=0, K=0 → Hold\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse cases:\u003c\/strong\u003e Toggle flip-flop, frequency divider, state machine design, ripple counter stages\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon 74HC Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 2V – 6V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePropagation Delay:\u003c\/strong\u003e ~8–15ns (typical at 4.5V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Drive Current:\u003c\/strong\u003e ±25mA per pin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −40°C to +125°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e5 × DIP-14 logic ICs (select variant: SN74HC393N, SN74HC51N, SN74HC54N, or SN74HC73N)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eSpecialized 74HC logic functions – dual counters, AND-OR-INVERT gates, and JK flip-flops for advanced digital circuit design and sequential logic applications.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"SN74HC393N","offer_id":46991426846955,"sku":"14:1202#SN74HC393N","price":11.36,"currency_code":"USD","in_stock":true},{"title":"SN74HC73N","offer_id":46991426879723,"sku":"14:203008818#SN74HC73N","price":7.68,"currency_code":"USD","in_stock":true},{"title":"SN74HC54N","offer_id":46991426912491,"sku":"14:691#SN74HC54N","price":19.24,"currency_code":"USD","in_stock":true},{"title":"SN74HC51N","offer_id":46991426945259,"sku":"14:175#SN74HC51N","price":6.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/sn74hc-series-dip14-logic-ics.webp?v=1761885233"},{"product_id":"cd4000-series-dip-16-ics-5pcs","title":"CD4000 Series DIP-16 ICs — CD4015BE CD4017BE CD4019BE CD4020BE CD4021BE CD4026BE CD4029BE CD4040BE CD4060BE CD4094BE (5PCS)","description":"\u003ch2\u003eCD4000 Series CMOS DIP-16 ICs — 5PCS Pack\u003c\/h2\u003e\u003cp\u003eThis value pack includes \u003cstrong\u003e5 pieces\u003c\/strong\u003e of CD4000 series CMOS logic ICs in DIP-16 package, covering a wide range of digital logic functions — from decade counters and shift registers to binary counters and display drivers. All ICs are manufactured to standard CMOS specifications with wide supply voltage range (3V–18V) and low power consumption.\u003c\/p\u003e\u003ch3\u003eIncluded IC Models\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCD4015BE\u003c\/td\u003e\n\u003ctd\u003eDual 4-Stage Static Shift Register\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCD4017BE\u003c\/td\u003e\n\u003ctd\u003eDecade Counter \/ Divider with 10 Decoded Outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCD4019BE\u003c\/td\u003e\n\u003ctd\u003eQuad AND-OR Select Gate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCD4020BE\u003c\/td\u003e\n\u003ctd\u003e14-Stage Ripple-Carry Binary Counter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCD4021BE\u003c\/td\u003e\n\u003ctd\u003e8-Stage Static Shift Register (Parallel-to-Serial)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCD4026BE\u003c\/td\u003e\n\u003ctd\u003eDecade Counter with 7-Segment Display Outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCD4029BE\u003c\/td\u003e\n\u003ctd\u003ePresettable Binary\/Decade Up\/Down Counter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCD4040BE\u003c\/td\u003e\n\u003ctd\u003e12-Stage Ripple-Carry Binary Counter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCD4060BE\u003c\/td\u003e\n\u003ctd\u003e14-Stage Ripple-Carry Binary Counter + Oscillator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCD4094BE\u003c\/td\u003e\n\u003ctd\u003e8-Stage Shift-and-Store Bus Register\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e DIP-16 (0.3\" row spacing)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 3V – 18V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic Family:\u003c\/strong\u003e CMOS (4000 series)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -55°C to +125°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Drive:\u003c\/strong\u003e Compatible with TTL and CMOS logic levels\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose This Pack?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ 10 different IC functions in one order — ideal for prototyping and lab stock\u003c\/li\u003e\n\u003cli\u003e✅ Wide voltage range — works with 3.3V and 5V microcontrollers\u003c\/li\u003e\n\u003cli\u003e✅ Industry-standard DIP-16 footprint — breadboard and PCB compatible\u003c\/li\u003e\n\u003cli\u003e✅ Low quiescent current — suitable for battery-powered designs\u003c\/li\u003e\n\u003cli\u003e✅ Genuine CMOS process — high noise immunity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLED chaser \/ sequencer circuits (CD4017BE)\u003c\/li\u003e\n\u003cli\u003eFrequency dividers and clock generators (CD4060BE)\u003c\/li\u003e\n\u003cli\u003e7-segment display counters (CD4026BE)\u003c\/li\u003e\n\u003cli\u003eSerial data communication shift registers (CD4015BE, CD4021BE, CD4094BE)\u003c\/li\u003e\n\u003cli\u003eBinary counting and timing circuits (CD4020BE, CD4029BE, CD4040BE)\u003c\/li\u003e\n\u003cli\u003eLogic gate selection and multiplexing (CD4019BE)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e5 × CD4000 series DIP-16 ICs (assorted from the 10 models listed above)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eNote: The 5 pieces are selected from the 10 models listed. Specific combination may vary. Contact us if you need a specific model.\u003c\/em\u003e\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"CD4026BE","offer_id":46991427436779,"sku":"14:200004890#CD4026BE","price":11.72,"currency_code":"USD","in_stock":true},{"title":"CD4021BE","offer_id":46991427469547,"sku":"14:691#CD4021BE","price":7.92,"currency_code":"USD","in_stock":true},{"title":"CD4040BE","offer_id":46991427502315,"sku":"14:202997806#CD4040BE","price":6.32,"currency_code":"USD","in_stock":true},{"title":"CD4029BE","offer_id":46991427535083,"sku":"14:203008818#CD4029BE","price":19.28,"currency_code":"USD","in_stock":true},{"title":"CD4017BE","offer_id":46991427567851,"sku":"14:350852#CD4017BE","price":5.24,"currency_code":"USD","in_stock":true},{"title":"CD4015BE","offer_id":46991427600619,"sku":"14:1202#CD4015BE","price":7.72,"currency_code":"USD","in_stock":true},{"title":"CD4020BE","offer_id":46991427633387,"sku":"14:193#CD4020BE","price":5.72,"currency_code":"USD","in_stock":true},{"title":"CD4019BE","offer_id":46991427666155,"sku":"14:175#CD4019BE","price":15.08,"currency_code":"USD","in_stock":true},{"title":"CD4094BE","offer_id":46991427698923,"sku":"14:202693815#CD4094BE","price":5.72,"currency_code":"USD","in_stock":true},{"title":"CD4060BE","offer_id":46991427731691,"sku":"14:203027873#CD4060BE","price":5.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/cd4000-series-dip16-ics.webp?v=1761884936"},{"product_id":"sn74ls-series-dip-logic-ics-multiple-models-legacy-ttl-repair-5pcs","title":"SN74LS Series DIP Logic ICs – Multiple Models for Legacy TTL Circuit Repair, Pack of 5","description":"\u003ch2\u003eSN74LS Series DIP Logic ICs — 5-Pack, Multiple Models for TTL Circuit Repair \u0026amp; Prototyping\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eSN74LS series\u003c\/strong\u003e is the classic low-power Schottky TTL logic family, widely used in legacy digital circuits, vintage electronics restoration, and educational electronics. This 5-pack covers multiple 74LS models in DIP package, providing a cost-effective stock for circuit repair, prototyping, and logic design experiments.\u003c\/p\u003e\u003ch3\u003eCommon 74LS Models Available\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePart\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003ePackage\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e74LS00\u003c\/td\u003e\n\u003ctd\u003eQuad 2-input NAND gate\u003c\/td\u003e\n\u003ctd\u003eDIP-14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74LS02\u003c\/td\u003e\n\u003ctd\u003eQuad 2-input NOR gate\u003c\/td\u003e\n\u003ctd\u003eDIP-14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74LS04\u003c\/td\u003e\n\u003ctd\u003eHex inverter (NOT gate)\u003c\/td\u003e\n\u003ctd\u003eDIP-14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74LS08\u003c\/td\u003e\n\u003ctd\u003eQuad 2-input AND gate\u003c\/td\u003e\n\u003ctd\u003eDIP-14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74LS32\u003c\/td\u003e\n\u003ctd\u003eQuad 2-input OR gate\u003c\/td\u003e\n\u003ctd\u003eDIP-14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74LS74\u003c\/td\u003e\n\u003ctd\u003eDual D-type flip-flop\u003c\/td\u003e\n\u003ctd\u003eDIP-14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74LS86\u003c\/td\u003e\n\u003ctd\u003eQuad 2-input XOR gate\u003c\/td\u003e\n\u003ctd\u003eDIP-14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74LS138\u003c\/td\u003e\n\u003ctd\u003e3-to-8 line decoder\/demultiplexer\u003c\/td\u003e\n\u003ctd\u003eDIP-16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74LS245\u003c\/td\u003e\n\u003ctd\u003eOctal bus transceiver (3-state)\u003c\/td\u003e\n\u003ctd\u003eDIP-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003e74LS vs 74HC — Which to Choose?\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003e74LS (Low-Power Schottky)\u003c\/th\u003e\n\u003cth\u003e74HC (High-Speed CMOS)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e5V only\u003c\/td\u003e\n\u003ctd\u003e2V – 6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed\u003c\/td\u003e\n\u003ctd\u003eFast (Schottky)\u003c\/td\u003e\n\u003ctd\u003eFaster at 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eHigher\u003c\/td\u003e\n\u003ctd\u003eLower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTTL Compatibility\u003c\/td\u003e\n\u003ctd\u003eNative TTL\u003c\/td\u003e\n\u003ctd\u003eRequires level consideration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eLegacy TTL repair, vintage systems\u003c\/td\u003e\n\u003ctd\u003eNew CMOS designs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic Family:\u003c\/strong\u003e 74LS (Low-Power Schottky TTL)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 4.75V – 5.25V (5V nominal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Drive:\u003c\/strong\u003e TTL-compatible levels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e DIP (DIP-14, DIP-16, or DIP-20 depending on model)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack Quantity:\u003c\/strong\u003e 5 pieces per order\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose SN74LS Series?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eTexas Instruments SN74LS lineage\u003c\/strong\u003e — industry-standard TTL logic for decades\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eDIP package\u003c\/strong\u003e — breadboard and through-hole PCB compatible\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e5-pack value\u003c\/strong\u003e — spares for repair and prototyping stock\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eDirect TTL replacement\u003c\/strong\u003e — drop-in for legacy 7400 series circuits\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVintage computer and electronics restoration\u003c\/li\u003e\n\u003cli\u003eLegacy TTL circuit board repair\u003c\/li\u003e\n\u003cli\u003eDigital logic education and lab experiments\u003c\/li\u003e\n\u003cli\u003eCombinational and sequential logic prototyping\u003c\/li\u003e\n\u003cli\u003eRetro gaming hardware repair\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e5 × SN74LS Series DIP Logic IC (model as 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Series DIP-14 CMOS Logic IC Set – CD4001BE \/ CD4011BE \/ CD4013BE \/ CD4017BE \/ CD4066BE, Pack of 5","description":"\u003ch2\u003eCD4000 Series DIP-14 CMOS Logic IC Set — 5-Pack (CD4001BE \/ CD4011BE \/ CD4013BE \/ CD4017BE \/ CD4066BE)\u003c\/h2\u003e\u003cp\u003eThis 5-pack covers five essential \u003cstrong\u003eCD4000 series CMOS logic ICs\u003c\/strong\u003e in DIP-14 package, spanning gate logic, flip-flops, decade counters, and analog switches. Operating from 3V to 15V with near-zero static power consumption, these ICs are the foundation of CMOS digital logic design and are widely used in legacy circuit repair, educational electronics, and low-power embedded applications.\u003c\/p\u003e\u003ch3\u003eIC Variants \u0026amp; Functions\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003eKey Feature\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCD4001BE\u003c\/td\u003e\n\u003ctd\u003eQuad 2-input NOR gate\u003c\/td\u003e\n\u003ctd\u003eUniversal gate — build any logic function\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCD4011BE\u003c\/td\u003e\n\u003ctd\u003eQuad 2-input NAND gate\u003c\/td\u003e\n\u003ctd\u003eUniversal gate — oscillators, latches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCD4013BE\u003c\/td\u003e\n\u003ctd\u003eDual D-type flip-flop\u003c\/td\u003e\n\u003ctd\u003eEdge-triggered, set\/reset, divide-by-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCD4017BE\u003c\/td\u003e\n\u003ctd\u003eDecade counter \/ divider\u003c\/td\u003e\n\u003ctd\u003e10 decoded outputs, LED chaser circuits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCD4066BE\u003c\/td\u003e\n\u003ctd\u003eQuad bilateral analog switch\u003c\/td\u003e\n\u003ctd\u003eSignal routing, audio mux, analog switching\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eCommon Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e3V – 15V (5V and 12V compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePropagation Delay\u003c\/td\u003e\n\u003ctd\u003e~50–100ns (at 5V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Drive\u003c\/td\u003e\n\u003ctd\u003e±4mA (at 5V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatic Power\u003c\/td\u003e\n\u003ctd\u003eNear-zero (CMOS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eDIP-14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eCD4000 vs 74HC — Which to Choose?\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eCD4000 Series\u003c\/th\u003e\n\u003cth\u003e74HC Series\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e3V – 15V\u003c\/td\u003e\n\u003ctd\u003e2V – 6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed\u003c\/td\u003e\n\u003ctd\u003eSlower\u003c\/td\u003e\n\u003ctd\u003eFaster\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise Immunity\u003c\/td\u003e\n\u003ctd\u003eHigher (wide Vcc range)\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eLow-power, wide-voltage, legacy repair\u003c\/td\u003e\n\u003ctd\u003eHigh-speed modern CMOS designs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose CD4000 Series?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003e3–15V supply range\u003c\/strong\u003e — works with 3.3V, 5V, 9V, and 12V systems\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eNear-zero static power\u003c\/strong\u003e — ideal for battery-powered and sleep-mode circuits\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eDIP-14 package\u003c\/strong\u003e — breadboard and through-hole PCB compatible\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e5 essential functions in one order\u003c\/strong\u003e — gates, flip-flop, counter, analog switch\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLED chaser and sequencer (CD4017BE)\u003c\/li\u003e\n\u003cli\u003eOscillator and clock generator (CD4011BE, CD4001BE)\u003c\/li\u003e\n\u003cli\u003eFrequency divider and toggle flip-flop (CD4013BE)\u003c\/li\u003e\n\u003cli\u003eAnalog signal multiplexing and routing (CD4066BE)\u003c\/li\u003e\n\u003cli\u003eLegacy CMOS circuit repair and restoration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e5 × CD4000 Series DIP-14 CMOS Logic IC (one of each model listed, or 5 of selected model)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"CD4013BE","offer_id":46991434088683,"sku":"14:193#CD4013BE","price":6.12,"currency_code":"USD","in_stock":true},{"title":"CD4012BE","offer_id":46991434121451,"sku":"14:175#CD4012BE","price":8.96,"currency_code":"USD","in_stock":true},{"title":"CD4024BE","offer_id":46991434154219,"sku":"14:200004890#CD4024BE","price":7.8,"currency_code":"USD","in_stock":true},{"title":"CD4016BE","offer_id":46991434186987,"sku":"14:691#CD4016BE","price":7.92,"currency_code":"USD","in_stock":true},{"title":"CD4001BE","offer_id":46991434219755,"sku":"14:1202#CD4001BE","price":5.0,"currency_code":"USD","in_stock":true},{"title":"CD4011BE","offer_id":46991434252523,"sku":"14:350852#CD4011BE","price":5.04,"currency_code":"USD","in_stock":true},{"title":"CD4030BE","offer_id":46991434285291,"sku":"14:202997806#CD4030BE","price":19.84,"currency_code":"USD","in_stock":true},{"title":"CD4025BE","offer_id":46991434318059,"sku":"14:203008818#CD4025BE","price":7.8,"currency_code":"USD","in_stock":true},{"title":"CD4066BE","offer_id":46991434350827,"sku":"14:202693815#CD4066BE","price":8.56,"currency_code":"USD","in_stock":true},{"title":"CD4047BE","offer_id":46991434383595,"sku":"14:203027873#CD4047BE","price":11.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/cd4000-series-dip14-digital-logic-ic-chip-set.webp?v=1761880910"},{"product_id":"sn74ls-series-dip14-logic-ics-dual-flip-flop-logic-gates-assortment-5pack","title":"SN74LS Series DIP-14 Logic ICs — Dual Flip-Flop \u0026 Logic Gates Assortment (5-Pack)","description":"\u003ch2\u003eSN74LS Series DIP-14 Logic ICs — Dual Flip-Flop \u0026amp; Logic Gates Assortment (5-Pack)\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eSN74LS series\u003c\/strong\u003e are classic TTL (Transistor-Transistor Logic) ICs in DIP-14 through-hole package — the industry-standard logic family used in digital circuit design for decades. This assortment includes dual flip-flop and logic gate variants from the 74LS family, covering sequential and combinational logic functions. Operating from 5V supply with standard TTL input\/output levels. Pack of 5 (select variant).\u003c\/p\u003e\n\n\u003ch3\u003eCommon 74LS DIP-14 Variants\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e74LS74:\u003c\/strong\u003e Dual D-type positive-edge flip-flop with preset and clear\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e74LS76:\u003c\/strong\u003e Dual JK flip-flop with preset and clear\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e74LS00:\u003c\/strong\u003e Quad 2-input NAND gate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e74LS02:\u003c\/strong\u003e Quad 2-input NOR gate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e74LS04:\u003c\/strong\u003e Hex inverter (NOT gate)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e74LS08:\u003c\/strong\u003e Quad 2-input AND gate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e74LS32:\u003c\/strong\u003e Quad 2-input OR gate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e74LS86:\u003c\/strong\u003e Quad 2-input XOR gate\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e DIP-14 (through-hole, 2.54mm pitch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFamily:\u003c\/strong\u003e 74LS (Low-power Schottky TTL)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 5V (TTL)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePropagation Delay:\u003c\/strong\u003e ~10ns typical\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack Quantity:\u003c\/strong\u003e 5 ICs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e74LS vs 74HC\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e74LS (this IC):\u003c\/strong\u003e TTL, 5V only, higher power, TTL input levels — for legacy TTL circuits\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e74HC:\u003c\/strong\u003e CMOS, 2–6V, lower power, CMOS input levels — for modern 3.3V\/5V designs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDigital logic circuit design and prototyping\u003c\/li\u003e\n  \u003cli\u003eSequential logic (flip-flop based counters and registers)\u003c\/li\u003e\n  \u003cli\u003eCombinational logic (gate-based circuits)\u003c\/li\u003e\n  \u003cli\u003eElectronics education — TTL logic fundamentals\u003c\/li\u003e\n  \u003cli\u003eLegacy TTL circuit repair and replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eSN74LS series DIP-14 logic ICs, 5-pack — dual flip-flop and logic gate assortment for digital circuit design, prototyping, and electronics education.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"SN74LS73AN","offer_id":46991439626475,"sku":"14:203008818#SN74LS73AN","price":8.56,"currency_code":"USD","in_stock":true},{"title":"SN74LS126AN","offer_id":46991439659243,"sku":"14:691#SN74LS126AN","price":12.04,"currency_code":"USD","in_stock":true},{"title":"SN74LS95BN","offer_id":46991439692011,"sku":"14:202693815#SN74LS95BN","price":12.76,"currency_code":"USD","in_stock":true},{"title":"SN74LS74AN","offer_id":46991439724779,"sku":"14:203027873#SN74LS74AN","price":6.8,"currency_code":"USD","in_stock":true},{"title":"SN74LS107AN","offer_id":46991439757547,"sku":"14:350852#SN74LS107AN","price":14.24,"currency_code":"USD","in_stock":true},{"title":"SN74LS393N","offer_id":46991439790315,"sku":"14:1202#SN74LS393N","price":18.2,"currency_code":"USD","in_stock":true},{"title":"SN74LS125AN","offer_id":46991439823083,"sku":"14:193#SN74LS125AN","price":7.84,"currency_code":"USD","in_stock":true},{"title":"SN74LS114AN","offer_id":46991439855851,"sku":"14:175#SN74LS114AN","price":18.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/sn74ls-series-dip14-dual-flip-flop-logic-gate-ic-chips-assortment.webp?v=1761878720"},{"product_id":"sn74hc32n-quad-2-input-or-gate-dip14-2-6v-7ns-25ma-5pack","title":"SN74HC32N Quad 2-Input OR Gate Logic IC — DIP-14, 2–6V, 7ns, ±25mA (5-Pack)","description":"\u003ch2\u003eSN74HC32N Quad 2-Input OR Gate Logic IC — DIP-14, 2–6V (5-Pack)\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eSN74HC32N\u003c\/strong\u003e contains four independent 2-input OR gates in a DIP-14 through-hole package — each gate outputs HIGH when either or both inputs are HIGH. Part of the 74HC high-speed CMOS logic family, operating from 2V to 6V with 7ns propagation delay and ±25mA output drive current. Pin-compatible with 74LS32, MC74HC32AN, and HEF4075. Pack of 5 (20 OR gate channels total).\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e SN74HC32N \/ 74HC32 \/ MC74HC32AN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e DIP-14 (through-hole, 2.54mm pitch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGates:\u003c\/strong\u003e 4 × 2-input OR gates\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 2V – 6V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePropagation Delay:\u003c\/strong\u003e ~7ns (typical at 4.5V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Drive Current:\u003c\/strong\u003e ±25mA per pin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Thresholds:\u003c\/strong\u003e VIH = 0.7×VCC \/ VIL = 0.3×VCC (CMOS)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -40°C to +125°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack Quantity:\u003c\/strong\u003e 5 ICs (20 OR gate channels total)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eOR Gate Truth Table\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eA=0, B=0 → Y=0\u003c\/li\u003e\n  \u003cli\u003eA=0, B=1 → Y=1\u003c\/li\u003e\n  \u003cli\u003eA=1, B=0 → Y=1\u003c\/li\u003e\n  \u003cli\u003eA=1, B=1 → Y=1 (output HIGH if any input HIGH)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e74HC32 vs 74LS32 vs 74HCT32\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e74HC32 (this IC):\u003c\/strong\u003e CMOS, 2–6V, low power, high speed — for 3.3V and 5V digital logic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e74LS32:\u003c\/strong\u003e TTL, 5V only, higher power — legacy TTL circuits\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e74HCT32:\u003c\/strong\u003e CMOS with TTL-compatible inputs — for interfacing TTL outputs to CMOS\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLogic signal combining (OR function)\u003c\/li\u003e\n  \u003cli\u003eInterrupt signal merging (multiple sources to one MCU pin)\u003c\/li\u003e\n  \u003cli\u003eEnable signal generation\u003c\/li\u003e\n  \u003cli\u003eDigital logic circuit design and education\u003c\/li\u003e\n  \u003cli\u003eCombinational logic prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eSN74HC32N quad OR gate, 5-pack — DIP-14, 2–6V, 7ns, ±25mA for digital logic circuit design, signal combining, and electronics prototyping.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991440511211,"sku":"\u003cnone\u003e","price":9.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/sn74hc32n-dip14-quad-or-gate-logic-ic.webp?v=1761878447"},{"product_id":"uln2004-uln2004a-7ch-darlington-array-ic-sop16-smd-10pcs","title":"ULN2004 \/ ULN2004A 7-Channel Darlington Array IC SOP-16 SMD – Pack of 10","description":"\u003ch2\u003eULN2004 \/ ULN2004A 7-Channel Darlington Array IC – SOP-16 SMD, Pack of 10\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eULN2004 \/ ULN2004A\u003c\/strong\u003e in SOP-16 is the surface-mount version of the classic DIP-16 Darlington array – seven high-voltage, high-current NPN Darlington transistor pairs in a compact SMD package, each capable of sinking 500mA at up to 50V. Built-in flyback diodes protect against inductive load transients from relays, solenoids, and motors. The ULN2004A variant is specifically optimized for PMOS and CMOS logic inputs (5V–15V), making it the correct choice for driving loads from Arduino, Raspberry Pi, and 5V microcontroller GPIO. This 10-piece SOP-16 pack is ideal for PCB production and repair.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e ULN2004 \/ ULN2004A \/ TD62004AF (SOP-16)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e SOP-16 (SMD, 1.27mm pitch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 7 (independent NPN Darlington pairs)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Voltage (max):\u003c\/strong\u003e 50V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Current (per channel):\u003c\/strong\u003e 500mA (continuous), 600mA (peak)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage (logic HIGH):\u003c\/strong\u003e 5V – 15V (PMOS\/CMOS compatible)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in Input Resistor:\u003c\/strong\u003e 10.5kΩ per channel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in Flyback Diodes:\u003c\/strong\u003e Yes (COM pin to load supply)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVCE Saturation:\u003c\/strong\u003e ~1V at 350mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −40°C to +85°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSOP-16 vs DIP-16 – Package Selection\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eULN2004A (DIP-16):\u003c\/strong\u003e Through-hole, breadboard and through-hole PCB use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eULN2004 (SOP-16):\u003c\/strong\u003e SMD surface-mount, for PCB production and space-constrained designs\u003c\/li\u003e\n  \u003cli\u003eFunctionally identical – same electrical specifications, different package\u003c\/li\u003e\n  \u003cli\u003eChoose SOP-16 for PCB production; choose DIP-16 for prototyping and repair\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelay driver PCBs:\u003c\/strong\u003e Drive 5V–12V relay coils from microcontroller GPIO on PCB designs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStepper motor driver:\u003c\/strong\u003e Drive unipolar stepper motor coils from MCU\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolenoid valve control:\u003c\/strong\u003e Industrial and automotive solenoid driver\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-current LED arrays:\u003c\/strong\u003e Drive LED strips and arrays beyond GPIO limits\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustrial I\/O:\u003c\/strong\u003e Interface 5V logic to 12V\/24V industrial loads\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePCB repair:\u003c\/strong\u003e SMD replacement for failed ULN2004 in consumer electronics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e10 × ULN2004 \/ ULN2004A SOP-16 7-channel Darlington array ICs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eSeven channels, 500mA each, built-in flyback diodes in a compact SOP-16 SMD package – the ULN2004 is the essential relay and motor driver IC for PCB production and surface-mount designs.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991445655787,"sku":"\u003cnone\u003e","price":9.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/uln2004-uln2004a-sop16-darlington-array-ic.webp?v=1761806213"},{"product_id":"uln2004a-uln2004an-7ch-darlington-array-ic-dip16-5pcs","title":"ULN2004A \/ ULN2004AN 7-Channel Darlington Array IC DIP-16 – Pack of 5","description":"\u003ch2\u003eULN2004A \/ ULN2004AN 7-Channel Darlington Array IC – DIP-16, Pack of 5\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eULN2004A \/ ULN2004AN\u003c\/strong\u003e is a 7-channel high-voltage, high-current Darlington transistor array IC – the go-to solution for driving relays, stepper motors, solenoids, and high-current LEDs directly from microcontroller GPIO pins. Each of the 7 channels can sink up to 500mA at 50V, with built-in flyback diodes for inductive load protection. The ULN2004A is specifically designed for PMOS and CMOS logic inputs (5V–15V), making it the correct choice for driving loads from Arduino, Raspberry Pi, and 5V microcontroller outputs. This 5-piece DIP-16 pack is a workshop essential.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e ULN2004A \/ ULN2004AN \/ ULN2004APG \/ TD62004\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e DIP-16 (through-hole, 2.54mm pitch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 7 (independent NPN Darlington pairs)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Voltage (max):\u003c\/strong\u003e 50V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Current (per channel):\u003c\/strong\u003e 500mA (continuous), 600mA (peak)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTotal Output Current:\u003c\/strong\u003e 2.5A (all channels simultaneously)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage (logic HIGH):\u003c\/strong\u003e 5V – 15V (PMOS\/CMOS compatible)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Resistor:\u003c\/strong\u003e Built-in 10.5kΩ series resistor per channel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlyback Diodes:\u003c\/strong\u003e Built-in (COM pin connects to supply for inductive loads)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSaturation Voltage (VCE sat):\u003c\/strong\u003e ~1V at 350mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −40°C to +85°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eULN2004A vs ULN2003A – Input Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eULN2003A:\u003c\/strong\u003e Designed for 5V TTL and CMOS inputs (input resistor: 2.7kΩ)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eULN2004A:\u003c\/strong\u003e Designed for PMOS and CMOS inputs 5V–15V (input resistor: 10.5kΩ) – better for 5V Arduino GPIO\u003c\/li\u003e\n  \u003cli\u003eBoth have identical output specifications (500mA, 50V, 7 channels)\u003c\/li\u003e\n  \u003cli\u003eUse ULN2004A for Arduino, Raspberry Pi, and 5V microcontroller GPIO outputs\u003c\/li\u003e\n  \u003cli\u003eUse ULN2003A for 5V TTL logic outputs or when lower input threshold is needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePin Configuration (DIP-16)\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePins 1–7: Input channels IN1–IN7 (logic input, active HIGH)\u003c\/li\u003e\n  \u003cli\u003ePin 8: GND (emitter common)\u003c\/li\u003e\n  \u003cli\u003ePin 9: COM (flyback diode common – connect to load supply voltage)\u003c\/li\u003e\n  \u003cli\u003ePins 10–16: Output channels OUT7–OUT1 (open-collector, active LOW sink)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelay driver:\u003c\/strong\u003e Drive 5V–12V relay coils directly from Arduino GPIO (most common use)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStepper motor driver:\u003c\/strong\u003e Drive unipolar stepper motor coils from microcontroller\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolenoid driver:\u003c\/strong\u003e Control solenoid valves and actuators\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-current LED driver:\u003c\/strong\u003e Drive LED arrays beyond GPIO current limits\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMotor control:\u003c\/strong\u003e Drive small DC motors via PWM from microcontroller\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLevel shifting:\u003c\/strong\u003e Interface 5V logic to 12V or 24V industrial loads\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e5 × ULN2004A \/ ULN2004AN DIP-16 7-channel Darlington array ICs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eSeven channels, 500mA each, built-in flyback diodes – the ULN2004A is the simplest and most reliable way to drive relays, stepper motors, and high-current loads from Arduino and microcontroller GPIO pins.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991448604907,"sku":"\u003cnone\u003e","price":9.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/uln2004a-uln2004an-dip-16-darlington-array-ic.webp?v=1761802651"},{"product_id":"74hc4051n-8ch-analog-multiplexer-demultiplexer-dip16-2-6v-70ohm-ron-5pack","title":"74HC4051N 8-Channel Analog Multiplexer \/ Demultiplexer — DIP-16, 2–6V, 70Ω Ron (5-Pack)","description":"\u003ch2\u003e74HC4051N 8-Channel Analog Multiplexer \/ Demultiplexer — DIP-16, 2–6V, 70Ω Ron (5-Pack)\u003c\/h2\u003e\u003cp\u003eThe 74HC4051N is a high-speed CMOS 8-channel single-ended analog multiplexer\/demultiplexer in a DIP-16 through-hole package. It routes one of 8 analog input channels to a single output (or vice versa) under 3-bit digital control, making it the standard solution for expanding the number of analog inputs on Arduino and other microcontrollers with limited ADC channels.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e8 (single-ended, 1-of-8)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eDIP-16 (through-hole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage (VCC)\u003c\/td\u003e\n\u003ctd\u003e2–6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-Resistance (Ron)\u003c\/td\u003e\n\u003ctd\u003e70Ω typ. (VCC=4.5V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandwidth (−3dB)\u003c\/td\u003e\n\u003ctd\u003e100MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Inputs\u003c\/td\u003e\n\u003ctd\u003eS0, S1, S2 (3-bit binary select)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnable Pin\u003c\/td\u003e\n\u003ctd\u003eActive-low (Ē)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e5 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose 74HC4051N?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8-to-1 analog mux\u003c\/strong\u003e — expands Arduino’s 6 ADC pins to read up to 48 analog sensors with just 3 control pins\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBidirectional\u003c\/strong\u003e — works as both multiplexer (many-to-one) and demultiplexer (one-to-many)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Ron 70Ω\u003c\/strong\u003e — minimal signal attenuation for accurate analog readings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100MHz bandwidth\u003c\/strong\u003e — suitable for audio and moderate-frequency analog signal routing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIP-16 breadboard-friendly\u003c\/strong\u003e — easy to prototype without soldering\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible With\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eArduino UNO \/ Nano \/ Mega\u003c\/strong\u003e: 3 digital pins for S0\/S1\/S2 control + 1 analog pin for reading\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eESP32 \/ ESP8266\u003c\/strong\u003e: 3.3V logic compatible (VCC=3.3V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRaspberry Pi\u003c\/strong\u003e: GPIO control via RPi.GPIO or gpiozero\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin-compatible alternatives\u003c\/strong\u003e: CD4051B (slower, wider voltage), 74HCT4051 (5V TTL-input compatible)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I use 74HC4051 to expand Arduino analog inputs?\u003c\/strong\u003e\u003cbr\u003eA: Connect S0, S1, S2 to 3 Arduino digital pins and the common output (Z) to one Arduino analog pin. Set S0–S2 HIGH\/LOW to select channel 0–7, then call analogRead() on the Z pin. Each channel reads one sensor.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can 74HC4051 switch digital signals as well as analog?\u003c\/strong\u003e\u003cbr\u003eA: Yes. It switches both analog and digital signals up to its supply voltage. For digital use, ensure signal levels stay within VCC range. Ron of 70Ω is negligible for digital logic but may affect analog accuracy with high-impedance sources.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 74HC4051 and CD4051?\u003c\/strong\u003e\u003cbr\u003eA: Both are 8-channel analog muxes with the same pinout. 74HC4051 is faster (100MHz bandwidth, 10ns propagation delay) and operates from 2–6V. CD4051B is slower but operates from 3–18V, making it better for higher-voltage analog signals.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e5× 74HC4051N 8-Channel Analog Multiplexer \/ Demultiplexer IC (DIP-16)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991456698603,"sku":"\u003cnone\u003e","price":8.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/74hc4051n-dip-16-analog-multiplexer-demultiplexer-ic.webp?v=1761796942"},{"product_id":"mc74hc-series-dip16-logic-ics-mux-counter-shift-register-flip-flop-2-6v-5pack","title":"MC74HC Series DIP-16 Logic ICs — Mux, Counter, Shift Register, Flip-Flop, 2–6V (5-Pack)","description":"\u003ch2\u003eMC74HC Series DIP-16 Logic ICs — Mux, Counter, Shift Register, Flip-Flop, 2–6V (5-Pack)\u003c\/h2\u003e\u003cp\u003eThis 5-pack covers the MC74HC series of high-speed CMOS logic ICs in DIP-16 through-hole packages, including multiplexers, binary counters, shift registers, D flip-flops, and bus transceivers. All operate from 2–6V, are compatible with 3.3V and 5V logic systems, and are rated from -40°C to +125°C for industrial use. Select your required variant from the dropdown.\u003c\/p\u003e\u003ch3\u003eVariants Included in This Listing\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74HC151A\u003c\/td\u003e\n\u003ctd\u003e8-to-1 Multiplexer\u003c\/td\u003e\n\u003ctd\u003eSelects 1 of 8 data inputs, 3-bit address select\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74HC163A\u003c\/td\u003e\n\u003ctd\u003e4-Bit Binary Counter\u003c\/td\u003e\n\u003ctd\u003eSynchronous, presettable, with carry output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74HC164A\u003c\/td\u003e\n\u003ctd\u003e8-Bit Shift Register\u003c\/td\u003e\n\u003ctd\u003eSerial-in, parallel-out (SIPO), positive edge clock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74HC174A\u003c\/td\u003e\n\u003ctd\u003eHex D Flip-Flop\u003c\/td\u003e\n\u003ctd\u003e6× D-type flip-flop with common clock and reset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74HC194A\u003c\/td\u003e\n\u003ctd\u003e4-Bit Bidirectional Shift Register\u003c\/td\u003e\n\u003ctd\u003eParallel load, left\/right shift, serial I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74HC245A\u003c\/td\u003e\n\u003ctd\u003eOctal Bus Transceiver\u003c\/td\u003e\n\u003ctd\u003e3-state, bidirectional, direction control pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCommon Specifications (All Variants)\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e2–6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e±25mA per pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eDIP-16 (through-hole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Family\u003c\/td\u003e\n\u003ctd\u003eHC (High-Speed CMOS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e5 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose MC74HC Series?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull HC logic family\u003c\/strong\u003e — covers the most common combinational and sequential logic functions in one series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2–6V operation\u003c\/strong\u003e — compatible with 3.3V (ESP32, STM32) and 5V (Arduino) systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e±25mA output\u003c\/strong\u003e — directly drives LEDs and logic inputs without buffers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIP-16 breadboard-friendly\u003c\/strong\u003e — ideal for digital logic education and prototyping\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-40°C to +125°C\u003c\/strong\u003e — industrial temperature range for demanding environments\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible With\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eArduino UNO \/ Nano \/ Mega (5V logic)\u003c\/li\u003e\n\u003cli\u003eESP32 \/ STM32 \/ Raspberry Pi (3.3V logic)\u003c\/li\u003e\n\u003cli\u003eStandard 2.54mm breadboards and DIP-16 IC sockets\u003c\/li\u003e\n\u003cli\u003ePin-compatible with SN74HC series (Texas Instruments) and CD74HC series\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 74HC and 74HCT logic families?\u003c\/strong\u003e\u003cbr\u003eA: 74HC accepts CMOS-level inputs (VIH ≥ 70% VCC), while 74HCT accepts TTL-level inputs (VIH ≥ 2.0V fixed). Use 74HCT when interfacing with 5V TTL outputs to a 5V HC device. For 3.3V-to-5V level shifting, use a dedicated level shifter instead.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I use 74HC245 as a 3.3V to 5V level shifter?\u003c\/strong\u003e\u003cbr\u003eA: Yes, with caveats. Power the 74HC245 at 5V, connect 3.3V signals to the A-side inputs, and read 5V-compatible outputs from the B-side. However, the A-side inputs must not exceed VCC (5V), so ensure 3.3V signals are within spec. A dedicated level shifter (TXS0108, BSS138) is safer for bidirectional use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I use 74HC164 to expand Arduino digital outputs?\u003c\/strong\u003e\u003cbr\u003eA: Connect the serial data (DS) and clock (CP) pins to 2 Arduino digital pins. Shift out 8 bits using shiftOut() to control 8 output pins (Q0–Q7). Chain multiple 74HC164s for more outputs — connect Q7 of the first to DS of the second.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e5× MC74HC Series Logic IC (DIP-16) — variant as selected\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"MC74HC138AN","offer_id":46991456960747,"sku":"14:1202#MC74HC138AN","price":6.4,"currency_code":"USD","in_stock":true},{"title":"MC74HC163AN","offer_id":46991456993515,"sku":"14:691#MC74HC163AN","price":7.08,"currency_code":"USD","in_stock":true},{"title":"MC74HC161AN","offer_id":46991457026283,"sku":"14:193#MC74HC161AN","price":7.88,"currency_code":"USD","in_stock":true},{"title":"MC74HC157AN","offer_id":46991457059051,"sku":"14:175#MC74HC157AN","price":8.6,"currency_code":"USD","in_stock":true},{"title":"MC74HC139AN","offer_id":46991457091819,"sku":"14:350852#MC74HC139AN","price":5.28,"currency_code":"USD","in_stock":true},{"title":"MC74HC165N","offer_id":46991457124587,"sku":"14:202693815#MC74HC165N","price":7.04,"currency_code":"USD","in_stock":true},{"title":"MC74HC151N","offer_id":46991457157355,"sku":"14:203027873#MC74HC151N","price":7.08,"currency_code":"USD","in_stock":true},{"title":"MC74HC174AN","offer_id":46991457190123,"sku":"14:203008818#MC74HC174AN","price":7.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/mc74hc138-series-dip-16-logic-ics-multiplexer-counter-shift-register-flip-flop.webp?v=1761796608"},{"product_id":"74hc74d-dual-d-type-flip-flop-logic-ic-sop14-10pcs","title":"74HC74D Dual D-Type Flip-Flop Logic IC SOP-14 – Pack of 10","description":"\u003ch2\u003e74HC74D Dual D-Type Flip-Flop — SOP-14 SMD, Positive Edge-Triggered, 2–6V (10-Pack)\u003c\/h2\u003e\u003cp\u003eThe 74HC74D contains two independent positive edge-triggered D-type flip-flops in a SOP-14 SMD package. Each flip-flop has independent data (D), clock (CP), set (̅S̅D̅), and reset (̅R̅D̅) inputs, making it the fundamental building block for digital registers, frequency dividers, synchronizers, and sequential logic state machines in both 3.3V and 5V CMOS systems.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eSOP-14 (SMD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlip-Flop Type\u003c\/td\u003e\n\u003ctd\u003ePositive edge-triggered D-type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlip-Flops per IC\u003c\/td\u003e\n\u003ctd\u003e2 (independent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e2–6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e±25mA per pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePropagation Delay (tpd)\u003c\/td\u003e\n\u003ctd\u003e7ns typ. (VCC=5V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Clock Frequency\u003c\/td\u003e\n\u003ctd\u003e~100MHz (VCC=5V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e10 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose 74HC74D?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual independent flip-flops\u003c\/strong\u003e — two complete D-FFs in one package, each with set\/reset\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive edge-triggered\u003c\/strong\u003e — captures data on rising clock edge for predictable synchronous behavior\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100MHz max clock\u003c\/strong\u003e — suitable for high-speed digital logic and frequency division up to 50MHz output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSOP-14 SMD\u003c\/strong\u003e — compact footprint for PCB designs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10-pack value\u003c\/strong\u003e — sufficient for digital logic lab exercises and multiple circuit builds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible With\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eArduino, ESP32, STM32 (3.3V\/5V logic)\u003c\/li\u003e\n\u003cli\u003eStandard SOP-14 PCB footprint\u003c\/li\u003e\n\u003cli\u003ePin-compatible: SN74HC74 (TI), MC74HC74 (ON Semi), HEF4013 (similar function, different pinout)\u003c\/li\u003e\n\u003cli\u003eDIP-14 equivalent: 74HC74N (same function, through-hole)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I use 74HC74 as a frequency divider?\u003c\/strong\u003e\u003cbr\u003eA: Connect the ̅Q̅ (inverted output) back to the D input, and apply the input clock to CP. The Q output will toggle on every rising clock edge, producing a divide-by-2 output. Chain two flip-flops for divide-by-4.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 74HC74 and 74HC74D?\u003c\/strong\u003e\u003cbr\u003eA: The “D” suffix denotes the SOP-14 SMD package. 74HC74N is the DIP-14 through-hole version. Both are electrically identical with the same pinout (adapted for package type).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can 74HC74 be used as a data synchronizer between two clock domains?\u003c\/strong\u003e\u003cbr\u003eA: Yes — this is a classic use case. Connect the asynchronous input to D and the destination clock to CP. The output Q will be synchronized to the destination clock after one clock cycle. Note: metastability risk exists; for critical designs use a dedicated synchronizer cell or double-register the signal.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e10× 74HC74D Dual D-Type Flip-Flop IC (SOP-14)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991457255659,"sku":"\u003cnone\u003e","price":7.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/S17d5e1e569384579b090b595e9bf8a95m.webp?v=1761361627"},{"product_id":"mc74hc-series-dip16-logic-ics-mux-counter-shift-register-flip-flop-3pcs","title":"MC74HC Series DIP-16 Logic ICs – Multiplexer, Counter, Shift Register, Flip-Flop, Pack of 3","description":"\u003ch2\u003eMC74HC Series DIP-16 Logic ICs — Multiplexer, Counter, Shift Register, Flip-Flop (3-Pack)\u003c\/h2\u003e\u003cp\u003eThis 3-pack covers the MC74HC series of high-speed CMOS logic ICs in DIP-16 through-hole packages, including multiplexers, binary counters, shift registers, and D flip-flops. All variants operate from 2–6V, are compatible with 3.3V and 5V logic systems, and are rated from -40°C to +125°C for industrial use. Select your required variant from the dropdown.\u003c\/p\u003e\u003ch3\u003eVariants Available\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74HC151A\u003c\/td\u003e\n\u003ctd\u003e8-to-1 Multiplexer\u003c\/td\u003e\n\u003ctd\u003eSelects 1 of 8 data inputs via 3-bit address\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74HC163A\u003c\/td\u003e\n\u003ctd\u003e4-Bit Synchronous Counter\u003c\/td\u003e\n\u003ctd\u003ePresettable binary counter with carry output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74HC164A\u003c\/td\u003e\n\u003ctd\u003e8-Bit Shift Register (SIPO)\u003c\/td\u003e\n\u003ctd\u003eSerial-in, parallel-out, positive edge clock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74HC174A\u003c\/td\u003e\n\u003ctd\u003eHex D Flip-Flop\u003c\/td\u003e\n\u003ctd\u003e6× D-type flip-flop, common clock and reset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74HC194A\u003c\/td\u003e\n\u003ctd\u003e4-Bit Bidirectional Shift Register\u003c\/td\u003e\n\u003ctd\u003eParallel load, left\/right shift, serial I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74HC245A\u003c\/td\u003e\n\u003ctd\u003eOctal Bus Transceiver\u003c\/td\u003e\n\u003ctd\u003e3-state bidirectional, direction control pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCommon Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e2–6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e±25mA per pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eDIP-16 (through-hole, 2.54mm pitch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Family\u003c\/td\u003e\n\u003ctd\u003eHC (High-Speed CMOS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e3 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose MC74HC Series?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2–6V operation\u003c\/strong\u003e — compatible with 3.3V (ESP32, STM32) and 5V (Arduino) systems without level shifters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e±25mA output\u003c\/strong\u003e — directly drives LEDs, logic inputs, and small loads without buffers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIP-16 breadboard-friendly\u003c\/strong\u003e — plugs directly into standard 2.54mm breadboards for easy prototyping\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-40°C to +125°C\u003c\/strong\u003e — industrial temperature range for demanding environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin-compatible\u003c\/strong\u003e — with SN74HC (Texas Instruments) and CD74HC (Harris\/Intersil) series\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible With\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eArduino UNO \/ Nano \/ Mega (5V logic)\u003c\/li\u003e\n\u003cli\u003eESP32 \/ STM32 \/ Raspberry Pi (3.3V logic)\u003c\/li\u003e\n\u003cli\u003eStandard 2.54mm breadboards and DIP-16 IC sockets\u003c\/li\u003e\n\u003cli\u003eSN74HC series (TI), CD74HC series — pin-compatible alternatives\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I use 74HC164A to expand Arduino digital outputs?\u003c\/strong\u003e\u003cbr\u003eA: Connect DS (serial data) and CP (clock) to 2 Arduino digital pins. Use \u003ccode\u003eshiftOut(dataPin, clockPin, MSBFIRST, byte)\u003c\/code\u003e to shift 8 bits to Q0–Q7. Chain multiple 74HC164A ICs by connecting Q7 of the first to DS of the second for more outputs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 74HC163A and 74HC161A?\u003c\/strong\u003e\u003cbr\u003eA: Both are 4-bit synchronous binary counters. 74HC163A has synchronous reset (reset takes effect on the next clock edge); 74HC161A has asynchronous reset (reset takes effect immediately). For most digital design applications, 74HC163A is preferred for its predictable synchronous behavior.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can 74HC245A be used as a 3.3V to 5V level shifter?\u003c\/strong\u003e\u003cbr\u003eA: Yes, with caveats. Power at 5V, connect 3.3V signals to the A-side, read 5V outputs from the B-side. The A-side inputs must not exceed VCC (5V). For bidirectional level shifting, a dedicated level shifter (TXS0108, BSS138) is safer and more reliable.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e3× MC74HC Series Logic IC (DIP-16) — variant as selected\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"MC74HC151N","offer_id":46991458140395,"sku":"14:203027873#MC74HC151N","price":7.08,"currency_code":"USD","in_stock":true},{"title":"MC74HC165N","offer_id":46991458173163,"sku":"14:202693815#MC74HC165N","price":7.04,"currency_code":"USD","in_stock":true},{"title":"MC74HC163AN","offer_id":46991458205931,"sku":"14:691#MC74HC163AN","price":7.08,"currency_code":"USD","in_stock":true},{"title":"MC74HC174AN","offer_id":46991458238699,"sku":"14:203008818#MC74HC174AN","price":7.08,"currency_code":"USD","in_stock":true},{"title":"MC74HC157AN","offer_id":46991458271467,"sku":"14:175#MC74HC157AN","price":8.6,"currency_code":"USD","in_stock":true},{"title":"MC74HC161AN","offer_id":46991458304235,"sku":"14:193#MC74HC161AN","price":7.88,"currency_code":"USD","in_stock":true},{"title":"MC74HC138AN","offer_id":46991458337003,"sku":"14:1202#MC74HC138AN","price":6.4,"currency_code":"USD","in_stock":true},{"title":"MC74HC139AN","offer_id":46991458369771,"sku":"14:350852#MC74HC139AN","price":5.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/mc74hc-series-dip-16-logic-ics-multiplexer-counter-shift-register-flip-flop.webp?v=1761795620"},{"product_id":"sn74hc08n-sn74hc11n-sn74hc14n-dip14-logic-gate-ics-5pcs","title":"SN74HC08N \/ SN74HC11N \/ SN74HC14N DIP-14 Logic Gate ICs – AND, AND-3, Schmitt Inverter, Pack of 5","description":"\u003ch2\u003eSN74HC08N \/ SN74HC11N \/ SN74HC14N DIP-14 Logic Gate ICs — AND, 3-Input AND, Schmitt Inverter (5-Pack)\u003c\/h2\u003e\u003cp\u003eThis listing covers three essential SN74HC series DIP-14 logic gate ICs: the SN74HC08N (quad 2-input AND), SN74HC11N (triple 3-input AND), and SN74HC14N (hex Schmitt-trigger inverter). All operate from 2–6V, are compatible with 3.3V and 5V logic, and are rated from -40°C to +125°C. Select your required variant from the dropdown.\u003c\/p\u003e\u003ch3\u003eVariant Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003eGates per IC\u003c\/th\u003e\n\u003cth\u003eInputs per Gate\u003c\/th\u003e\n\u003cth\u003eKey Feature\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSN74HC08N\u003c\/td\u003e\n\u003ctd\u003eQuad 2-Input AND Gate\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eStandard AND logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSN74HC11N\u003c\/td\u003e\n\u003ctd\u003eTriple 3-Input AND Gate\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e3-input AND for complex logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSN74HC14N\u003c\/td\u003e\n\u003ctd\u003eHex Schmitt-Trigger Inverter\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eHysteresis for noise immunity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCommon Specifications (All Variants)\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eDIP-14 (through-hole, 2.54mm pitch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e2–6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e±25mA per pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePropagation Delay\u003c\/td\u003e\n\u003ctd\u003e~7ns typ. (VCC=5V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e5 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose SN74HC Series?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2–6V operation\u003c\/strong\u003e — compatible with both 3.3V (ESP32, STM32) and 5V (Arduino) systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e±25mA output\u003c\/strong\u003e — directly drives LEDs and logic inputs without buffers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIP-14 breadboard-friendly\u003c\/strong\u003e — plugs directly into standard 2.54mm breadboards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSN74HC14N Schmitt trigger\u003c\/strong\u003e — hysteresis eliminates noise-induced false triggering on slow or noisy signals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTexas Instruments quality\u003c\/strong\u003e — industry-standard parts with comprehensive datasheet support\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible With \/ Common Use Cases\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSN74HC08N (AND gate)\u003c\/strong\u003e: Enable\/disable signal gating, combinational logic, interrupt masking in Arduino\/STM32 circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSN74HC11N (3-input AND)\u003c\/strong\u003e: 3-condition enable logic, address decoding, complex combinational logic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSN74HC14N (Schmitt inverter)\u003c\/strong\u003e: Button debounce circuit, RC oscillator, slow signal squaring, crystal oscillator buffer, noise-immune signal conditioning\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I use SN74HC14N to debounce a push button for Arduino?\u003c\/strong\u003e\u003cbr\u003eA: Connect the button between VCC and the input pin, with a 10kΩ pull-down resistor to GND. Connect the input to one SN74HC14N inverter input. The Schmitt trigger hysteresis (~0.9V at 5V) prevents multiple transitions during button bounce. The output will be a clean logic signal — invert again with a second gate if needed for active-high output.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can SN74HC14N be used as a simple RC oscillator?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Connect a resistor (R) from output to input, and a capacitor (C) from input to GND. The Schmitt trigger hysteresis creates a relaxation oscillator with frequency approximately f ≈ 1\/(1.2 × R × C). Use R = 10kΩ and C = 10nF for ~8kHz, or adjust R\/C for your target frequency.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the difference between SN74HC14 and CD40106?\u003c\/strong\u003e\u003cbr\u003eA: Both are hex Schmitt-trigger inverters. SN74HC14 operates from 2–6V with faster switching (~7ns) and higher output current (±25mA). CD40106 operates from 3–18V (wider range) but is slower. Use SN74HC14 for 3.3V\/5V digital systems; use CD40106 when you need higher supply voltage compatibility.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e5× SN74HC08N \/ SN74HC11N \/ SN74HC14N Logic Gate IC (DIP-14) — variant as selected\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"SN74HC14N","offer_id":46991459680491,"sku":"14:691#SN74HC14N","price":5.6,"currency_code":"USD","in_stock":true},{"title":"SN74HC08N","offer_id":46991459713259,"sku":"14:1202#SN74HC08N","price":5.24,"currency_code":"USD","in_stock":true},{"title":"SN74HC11N","offer_id":46991459746027,"sku":"14:175#SN74HC11N","price":6.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/sn74hc08n-sn74hc11n-sn74hc14n-dip-14-logic-gate-ics.webp?v=1761795119"},{"product_id":"cd40106be-hex-schmitt-trigger-inverter-dip14-3-15v-cmos-5pack","title":"CD40106BE Hex Schmitt Trigger Inverter — DIP-14, 3–15V, CMOS, Noise Immunity (5-Pack)","description":"\u003ch2\u003eCD40106BE Hex Schmitt Trigger Inverter — DIP-14, 3–15V CMOS, 6 Inverters (5-Pack)\u003c\/h2\u003e\u003cp\u003eThe CD40106BE is a CMOS hex Schmitt-trigger inverter IC containing six independent inverters with built-in hysteresis. Operating from 3V to 15V, it is the wide-voltage-range alternative to the 74HC14 for applications requiring higher supply voltages. The Schmitt trigger hysteresis (typically 0.9V at 5V, 2.3V at 10V) makes it ideal for converting slow, noisy, or analog-like signals into clean digital logic levels, building RC oscillators, and debouncing mechanical switches.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eDIP-14 (through-hole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInverters per IC\u003c\/td\u003e\n\u003ctd\u003e6 (independent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e3V – 15V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHysteresis Voltage\u003c\/td\u003e\n\u003ctd\u003e~0.9V @ 5V; ~2.3V @ 10V; ~3.5V @ 15V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e±0.5mA @ 5V (CMOS, lower than HC series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePropagation Delay\u003c\/td\u003e\n\u003ctd\u003e~60ns @ 5V (slower than 74HC14)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-55°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e5 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCD40106 vs SN74HC14 — Which Should I Use?\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eCD40106BE\u003c\/th\u003e\n\u003cth\u003eSN74HC14N\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e3–15V (wider range)\u003c\/td\u003e\n\u003ctd\u003e2–6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHysteresis\u003c\/td\u003e\n\u003ctd\u003eHigher (2.3V @ 10V)\u003c\/td\u003e\n\u003ctd\u003eLower (0.9V @ 5V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed\u003c\/td\u003e\n\u003ctd\u003eSlower (~60ns)\u003c\/td\u003e\n\u003ctd\u003eFaster (~7ns)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003eLower (0.5mA)\u003c\/td\u003e\n\u003ctd\u003eHigher (25mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eHigh-voltage, high-noise-immunity circuits\u003c\/td\u003e\n\u003ctd\u003e3.3V\/5V digital systems, LED drive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose CD40106BE?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3–15V supply range\u003c\/strong\u003e — works with 5V, 9V, 12V, and 15V systems where 74HC14 cannot operate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh hysteresis at 10–15V\u003c\/strong\u003e — superior noise immunity for industrial and automotive environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6 independent inverters\u003c\/strong\u003e — multiple debounce or oscillator circuits in one package\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-55°C to +125°C\u003c\/strong\u003e — extended temperature range for harsh environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-pack value\u003c\/strong\u003e — sufficient for multiple circuit builds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible With \/ Common Use Cases\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRC oscillator\u003c\/strong\u003e: Connect R from output to input, C from input to GND — frequency ≈ 1\/(1.2×R×C); use at 9–12V for higher hysteresis stability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eButton debounce\u003c\/strong\u003e: Clean up mechanical switch bounce in 5–12V industrial control panels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlow signal squaring\u003c\/strong\u003e: Convert thermistor, photodiode, or sensor output to clean digital signal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrystal oscillator buffer\u003c\/strong\u003e: Buffer and square up crystal oscillator output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog-to-digital threshold detector\u003c\/strong\u003e: Simple voltage threshold comparator with hysteresis\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I use CD40106 at 3.3V for ESP32 or STM32 circuits?\u003c\/strong\u003e\u003cbr\u003eA: Technically yes (minimum VCC is 3V), but the hysteresis and output drive at 3.3V are very low. For 3.3V systems, SN74HC14 is a better choice with higher output current (25mA vs 0.5mA) and faster switching. Use CD40106 when you need 9–15V operation or higher hysteresis.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What RC values give a 1kHz oscillator with CD40106 at 5V?\u003c\/strong\u003e\u003cbr\u003eA: Using f ≈ 1\/(1.2×R×C): for f=1kHz, choose R=100kΩ and C=8.3nF (use 10nF standard value for ~833Hz). Adjust R or C to fine-tune. At 10V supply, hysteresis increases so the same R\/C gives a slightly different frequency — recalculate for your supply voltage.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Is CD40106 the same as CD4069?\u003c\/strong\u003e\u003cbr\u003eA: No. CD4069 is a standard hex inverter WITHOUT Schmitt trigger hysteresis. CD40106 has Schmitt trigger inputs with hysteresis. For noise-immune and oscillator applications, always use CD40106 (or 74HC14), not CD4069.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e5× CD40106BE Hex Schmitt Trigger Inverter IC (DIP-14)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991459811563,"sku":"\u003cnone\u003e","price":5.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/cd40106be-cd40106-dip-14-hex-schmitt-trigger-ic.webp?v=1761795082"},{"product_id":"sn74hc165n-8bit-parallel-in-serial-out-shift-register-ic-dip16-5pcs","title":"SN74HC165N 8-Bit Parallel-In Serial-Out Shift Register IC DIP-16 – Pack of 5","description":"\u003ch2\u003eSN74HC165N 8-Bit Parallel-In Serial-Out Shift Register — DIP-16, 2–6V (5-Pack)\u003c\/h2\u003e\u003cp\u003eThe SN74HC165N is an 8-bit parallel-in serial-out (PISO) shift register in a DIP-16 through-hole package. It reads 8 parallel digital inputs simultaneously (on a load pulse) and shifts them out serially over a single data line, making it the standard IC for expanding the number of digital inputs on Arduino and other microcontrollers using only 3 signal wires (clock, load, data). Multiple SN74HC165N ICs can be daisy-chained for 16, 24, or more inputs.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eDIP-16 (through-hole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Width\u003c\/td\u003e\n\u003ctd\u003e8-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eParallel-In, Serial-Out (PISO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClock Edge\u003c\/td\u003e\n\u003ctd\u003ePositive edge (rising)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e2–6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e±25mA per pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Clock Frequency\u003c\/td\u003e\n\u003ctd\u003e~100MHz (VCC=5V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e5 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eSN74HC165 vs SN74HC595 — Input vs Output Expansion\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eIC\u003c\/th\u003e\n\u003cth\u003eDirection\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003eUse Case\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSN74HC165N\u003c\/td\u003e\n\u003ctd\u003eInput expansion\u003c\/td\u003e\n\u003ctd\u003e8 parallel inputs → serial out\u003c\/td\u003e\n\u003ctd\u003eRead 8 buttons\/switches with 3 MCU pins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSN74HC595\u003c\/td\u003e\n\u003ctd\u003eOutput expansion\u003c\/td\u003e\n\u003ctd\u003eSerial in → 8 parallel outputs\u003c\/td\u003e\n\u003ctd\u003eControl 8 LEDs\/relays with 3 MCU pins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose SN74HC165N?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8-to-1 input multiplexing\u003c\/strong\u003e — read 8 digital inputs using only 3 MCU pins (CLK, SH\/LD, QH)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaisy-chainable\u003c\/strong\u003e — connect QH of first IC to SER of second for 16, 24, 32+ inputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynchronous parallel load\u003c\/strong\u003e — all 8 inputs captured simultaneously on load pulse for glitch-free reading\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2–6V operation\u003c\/strong\u003e — compatible with 3.3V (ESP32, STM32) and 5V (Arduino) systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-pack value\u003c\/strong\u003e — enough for a 40-input button matrix (5×8)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible With \/ Common Use Cases\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eArduino button\/switch matrix\u003c\/strong\u003e: Read 8 buttons with 3 Arduino pins using shiftIn() function\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeyboard matrix scanning\u003c\/strong\u003e: Read mechanical keyboard switch states efficiently\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIP switch reading\u003c\/strong\u003e: Read 8-position DIP switch configuration into MCU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor status monitoring\u003c\/strong\u003e: Read 8 digital sensor outputs (limit switches, reed switches) with minimal MCU pins\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaisy-chain example\u003c\/strong\u003e: 3× SN74HC165N reads 24 inputs with same 3 MCU pins\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I use SN74HC165N with Arduino to read 8 buttons?\u003c\/strong\u003e\u003cbr\u003eA: Connect SH\/̅L̅D̅ to a digital pin (e.g., D4), CLK to D5, QH to D6. Pull SH\/̅L̅D̅ LOW to load parallel inputs, then HIGH. Clock out 8 bits by toggling CLK and reading QH each time: \u003ccode\u003ebyte data = shiftIn(dataPin, clockPin, MSBFIRST);\u003c\/code\u003e Each bit corresponds to one input pin (A–H).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I mix SN74HC165N (input) and SN74HC595 (output) on the same SPI bus?\u003c\/strong\u003e\u003cbr\u003eA: Yes, with separate chip-select\/load pins. Use the same CLK and MOSI\/MISO lines. SN74HC595 uses MOSI (data in), SN74HC165N uses MISO (data out). This allows simultaneous input reading and output control with minimal MCU pins.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the maximum number of SN74HC165N ICs I can daisy-chain?\u003c\/strong\u003e\u003cbr\u003eA: Theoretically unlimited — each additional IC adds 8 inputs and one clock cycle of latency. In practice, signal integrity limits the chain to ~10–20 ICs at standard clock speeds. For longer chains, use buffered clock signals and keep PCB traces short.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e5× SN74HC165N 8-Bit Parallel-In Serial-Out Shift Register IC (DIP-16)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991459877099,"sku":"\u003cnone\u003e","price":7.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/sn74hc165n-sn74hc165-dip-16-8bit-shift-register-ic.webp?v=1761795030"},{"product_id":"sn74ls-series-dip16-logic-ics-74ls45-219a-279a-395a-169b-257b-258b-259b-2pcs","title":"SN74LS Series DIP-16 Logic ICs – 74LS45 \/ 219A \/ 279A \/ 395A \/ 169B \/ 257B \/ 258B \/ 259B, Pack of 2","description":"\u003ch2\u003eSN74LS Series DIP-16 Logic ICs — 74LS45 \/ 219A \/ 279A \/ 395A \/ 169B \/ 257B \/ 258B \/ 259B (2-Pack)\u003c\/h2\u003e\u003cp\u003eThis listing covers the SN74LS series of DIP-16 TTL logic ICs, including BCD decoders, synchronous counters, multiplexers, latches, and shift registers. The 74LS (Low-power Schottky) family operates from 4.75–5.25V and provides the standard TTL logic levels used in legacy digital systems, industrial equipment repair, and electronics education. Select your required variant from the dropdown.\u003c\/p\u003e\u003ch3\u003eVariant Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74LS45\u003c\/td\u003e\n\u003ctd\u003eBCD-to-Decimal Decoder\/Driver\u003c\/td\u003e\n\u003ctd\u003eDecodes 4-bit BCD to 10 active-low outputs, open-collector, 80V\/80mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74LS219A\u003c\/td\u003e\n\u003ctd\u003e4×4 RAM (16-bit)\u003c\/td\u003e\n\u003ctd\u003e16-bit static RAM, 4-bit address, 4-bit data, open-collector output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74LS279A\u003c\/td\u003e\n\u003ctd\u003eQuad S-R Latch\u003c\/td\u003e\n\u003ctd\u003e4× SR latches, active-low Set and Reset inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74LS395A\u003c\/td\u003e\n\u003ctd\u003e4-Bit Shift Register (3-State)\u003c\/td\u003e\n\u003ctd\u003eUniversal shift register with 3-state outputs and parallel load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74LS169B\u003c\/td\u003e\n\u003ctd\u003e4-Bit Synchronous Counter\u003c\/td\u003e\n\u003ctd\u003eUp\/down binary counter, synchronous load, carry\/borrow output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74LS257B\u003c\/td\u003e\n\u003ctd\u003eQuad 2-to-1 Mux (3-State)\u003c\/td\u003e\n\u003ctd\u003e4× 2-to-1 multiplexer with 3-state outputs, non-inverting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74LS258B\u003c\/td\u003e\n\u003ctd\u003eQuad 2-to-1 Mux (3-State, Inverting)\u003c\/td\u003e\n\u003ctd\u003e4× 2-to-1 multiplexer with 3-state outputs, inverting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74LS259B\u003c\/td\u003e\n\u003ctd\u003e8-Bit Addressable Latch\u003c\/td\u003e\n\u003ctd\u003e8-bit latch with 3-bit address select, clear input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eKey Specifications (All Variants)\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Family\u003c\/td\u003e\n\u003ctd\u003e74LS (Low-power Schottky TTL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eDIP-16 (through-hole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e4.75V – 5.25V (5V nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Logic Levels\u003c\/td\u003e\n\u003ctd\u003eVIH ≥ 2.0V, VIL ≤ 0.8V (TTL levels)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePropagation Delay\u003c\/td\u003e\n\u003ctd\u003e~10–20ns typ.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0°C to +70°C (SN74LS) \/ -40°C to +85°C (SN54LS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e2 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003e74LS vs 74HC — TTL vs CMOS Logic\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003e74LS (TTL)\u003c\/th\u003e\n\u003cth\u003e74HC (CMOS)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e5V only\u003c\/td\u003e\n\u003ctd\u003e2–6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Levels\u003c\/td\u003e\n\u003ctd\u003eTTL (VIH=2.0V)\u003c\/td\u003e\n\u003ctd\u003eCMOS (VIH=70% VCC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eHigher (static current)\u003c\/td\u003e\n\u003ctd\u003eLower (near-zero static)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Drive\u003c\/td\u003e\n\u003ctd\u003eHigher sink current\u003c\/td\u003e\n\u003ctd\u003eLower sink current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eLegacy TTL system repair, 5V-only systems\u003c\/td\u003e\n\u003ctd\u003eNew designs, 3.3V\/5V systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose SN74LS Series?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLegacy TTL compatibility\u003c\/strong\u003e — direct replacement for failed ICs in vintage computers, industrial PLCs, and legacy equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTTL input levels\u003c\/strong\u003e — compatible with 5V TTL systems where CMOS HC series may not meet VIH requirements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen-collector outputs\u003c\/strong\u003e — 74LS45 and 74LS219A open-collector outputs for wired-OR and high-voltage drive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTexas Instruments quality\u003c\/strong\u003e — SN74LS series with comprehensive datasheet support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-pack value\u003c\/strong\u003e — one for installation, one for spare\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I replace 74LS ICs with 74HC ICs in an existing circuit?\u003c\/strong\u003e\u003cbr\u003eA: Sometimes, but with caution. 74HC has CMOS input thresholds (VIH=70% VCC=3.5V at 5V), while 74LS outputs VOH=2.7V min — which may not reliably drive 74HC inputs. Use 74HCT series instead, which accepts TTL input levels (VIH=2.0V) while providing CMOS output levels. For direct replacement, 74HCT is safer than 74HC.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 74LS169B and 74LS163A?\u003c\/strong\u003e\u003cbr\u003eA: Both are 4-bit synchronous binary counters. 74LS169B counts both up and down (bidirectional) with a direction control pin. 74LS163A counts up only. Use 74LS169B when you need bidirectional counting (e.g., encoder position tracking, frequency synthesis).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I use 74LS259B as an 8-output demultiplexer?\u003c\/strong\u003e\u003cbr\u003eA: Connect the 3-bit address (A0–A2) to select one of 8 outputs (Q0–Q7). Apply data to the D input. With ̅C̅L̅R̅ HIGH and ̅E̅ LOW (enable), the selected output follows D while others hold their previous state. This makes it ideal for sequentially addressing 8 output channels from a microcontroller with only 4 pins (A0–A2 + D).\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e2× SN74LS Series Logic IC (DIP-16) — variant as selected\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"SN74LS259BN","offer_id":46991463219435,"sku":"14:202693815#SN74LS259BN","price":6.08,"currency_code":"USD","in_stock":true},{"title":"SN74LS258BN","offer_id":46991463252203,"sku":"14:203027873#SN74LS258BN","price":14.36,"currency_code":"USD","in_stock":true},{"title":"SN74LS219AN","offer_id":46991463284971,"sku":"14:350852#SN74LS219AN","price":20.76,"currency_code":"USD","in_stock":true},{"title":"SN74LS45N","offer_id":46991463317739,"sku":"14:1202#SN74LS45N","price":12.08,"currency_code":"USD","in_stock":true},{"title":"SN74LS257BN","offer_id":46991463350507,"sku":"14:203008818#SN74LS257BN","price":6.92,"currency_code":"USD","in_stock":true},{"title":"SN74LS169BN","offer_id":46991463383275,"sku":"14:691#SN74LS169BN","price":12.8,"currency_code":"USD","in_stock":true},{"title":"SN74LS395AN","offer_id":46991463416043,"sku":"14:193#SN74LS395AN","price":7.92,"currency_code":"USD","in_stock":true},{"title":"SN74LS279AN","offer_id":46991463448811,"sku":"14:175#SN74LS279AN","price":18.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/sn74ls-series-dip16-logic-ics.webp?v=1761720968"},{"product_id":"sn74hc165n-dip16-74hc165-8bit-shift-register-serial-parallel-5pcs","title":"SN74HC165N 8-Bit Shift Register IC DIP-16 – Serial\/Parallel Input, Pack of 5 (74HC165)","description":"\u003ch2\u003eSN74HC165N (74HC165) 8-Bit Parallel-In Serial-Out Shift Register — DIP-16, 2–6V (5-Pack)\u003c\/h2\u003e\u003cp\u003eThe SN74HC165N is an 8-bit parallel-in serial-out (PISO) shift register in a DIP-16 through-hole package, operating from 2V to 6V. It captures 8 parallel digital inputs simultaneously on a load pulse and shifts them out serially over a single data line, enabling 8 digital inputs to be read by a microcontroller using only 3 signal wires. Multiple SN74HC165N ICs can be daisy-chained for 16, 24, or more inputs with the same 3-wire interface.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eDIP-16 (through-hole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Width\u003c\/td\u003e\n\u003ctd\u003e8-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eParallel-In, Serial-Out (PISO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClock Edge\u003c\/td\u003e\n\u003ctd\u003ePositive edge (rising)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e2V – 6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e±25mA per pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Clock Frequency\u003c\/td\u003e\n\u003ctd\u003e~100MHz (VCC=5V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e5 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003e74HC165 vs 74HC595 — Input vs Output Expansion\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eIC\u003c\/th\u003e\n\u003cth\u003eDirection\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003eUse Case\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSN74HC165N\u003c\/td\u003e\n\u003ctd\u003eInput expansion\u003c\/td\u003e\n\u003ctd\u003e8 parallel inputs → serial out\u003c\/td\u003e\n\u003ctd\u003eRead 8 buttons\/switches with 3 MCU pins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSN74HC595\u003c\/td\u003e\n\u003ctd\u003eOutput expansion\u003c\/td\u003e\n\u003ctd\u003eSerial in → 8 parallel outputs\u003c\/td\u003e\n\u003ctd\u003eControl 8 LEDs\/relays with 3 MCU pins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMCP23017\u003c\/td\u003e\n\u003ctd\u003eBidirectional (I²C)\u003c\/td\u003e\n\u003ctd\u003e16 GPIO via I²C\u003c\/td\u003e\n\u003ctd\u003eMixed I\/O expansion, fewer wires\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose SN74HC165N?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8-to-1 input multiplexing\u003c\/strong\u003e — read 8 digital inputs using only 3 MCU pins (CLK, SH\/LD, QH)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaisy-chainable\u003c\/strong\u003e — connect QH of first IC to SER of second for 16, 24, 32+ inputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynchronous parallel load\u003c\/strong\u003e — all 8 inputs captured simultaneously on load pulse for glitch-free reading\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2–6V operation\u003c\/strong\u003e — compatible with 3.3V (ESP32, STM32) and 5V (Arduino) systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-pack value\u003c\/strong\u003e — enough for a 40-input button matrix (5×8)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible With\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eArduino UNO\/Nano\u003c\/strong\u003e: \u003ccode\u003eshiftIn(dataPin, clockPin, MSBFIRST)\u003c\/code\u003e reads 8 bits in one call\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eESP32\u003c\/strong\u003e: SPI hardware or GPIO bit-bang at 3.3V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTM32\u003c\/strong\u003e: SPI MISO or GPIO bit-bang\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRaspberry Pi\u003c\/strong\u003e: SPI or GPIO bit-bang with RPi.GPIO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicroPython\u003c\/strong\u003e: machine.SPI or manual bit-bang\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I read 8 buttons with SN74HC165N on Arduino?\u003c\/strong\u003e\u003cbr\u003eA: Connect SH\/̅L̅D̅ to D4, CLK to D5, QH to D6. Pull SH\/̅L̅D̅ LOW to latch inputs, then HIGH. Read: \u003ccode\u003ebyte data = shiftIn(6, 5, MSBFIRST);\u003c\/code\u003e Each bit (D7–D0) corresponds to inputs H–A. A LOW bit means that input is connected to GND (button pressed with pull-up). Add 10kΩ pull-up resistors on each input pin.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I daisy-chain two SN74HC165N for 16 inputs?\u003c\/strong\u003e\u003cbr\u003eA: Connect the QH (serial output) of the first IC to the SER (serial input) of the second IC. Share CLK and SH\/̅L̅D̅ between both ICs. Read 16 bits with two consecutive \u003ccode\u003eshiftIn()\u003c\/code\u003e calls: \u003ccode\u003ebyte high = shiftIn(dataPin, clockPin, MSBFIRST); byte low = shiftIn(dataPin, clockPin, MSBFIRST);\u003c\/code\u003e The first call reads IC2 (last in chain), the second reads IC1.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can SN74HC165N be used with SPI hardware on Arduino?\u003c\/strong\u003e\u003cbr\u003eA: Yes — connect QH to MISO, CLK to SCK, SH\/̅L̅D̅ to a digital pin (not SS). Pulse SH\/̅L̅D̅ LOW then HIGH to latch, then use \u003ccode\u003eSPI.transfer(0)\u003c\/code\u003e to clock out 8 bits. Hardware SPI is faster than bit-bang shiftIn() for high-speed or time-critical applications.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e5× SN74HC165N (74HC165) 8-Bit Parallel-In Serial-Out Shift Register IC (DIP-16)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991467086059,"sku":"\u003cnone\u003e","price":7.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/sn74hc165n-dip16-74hc165-shift-register-ic.webp?v=1761719173"},{"product_id":"74hc00n-sn74hc00n-quad-2-input-nand-gate-dip14-2-6v-5pack","title":"74HC00N Quad 2-Input NAND Gate — DIP-14 Through-Hole, 2–6V, -40°C to 125°C (5-Pack)","description":"\u003ch2\u003e74HC00N \/ SN74HC00N Quad 2-Input NAND Gate — DIP-14, 2–6V, -40°C to +125°C (5-Pack)\u003c\/h2\u003e\u003cp\u003eThe 74HC00N (SN74HC00N) contains four independent 2-input NAND gates in a DIP-14 through-hole package, operating from 2V to 6V with CMOS logic levels. As the universal logic gate (any Boolean function can be implemented using only NAND gates), it is the most fundamental building block in digital logic design. With 25mA output drive, 100MHz+ switching speed, and -40°C to +125°C operating range, it is used in combinational logic circuits, oscillators, inverters, and digital electronics education.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eDIP-14 (through-hole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGates\u003c\/td\u003e\n\u003ctd\u003e4× 2-input NAND\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Family\u003c\/td\u003e\n\u003ctd\u003e74HC (High-Speed CMOS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e2V – 6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Logic Levels\u003c\/td\u003e\n\u003ctd\u003eVIH ≥ 70% VCC, VIL ≤ 30% VCC (CMOS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Drive Current\u003c\/td\u003e\n\u003ctd\u003e±25mA per output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePropagation Delay\u003c\/td\u003e\n\u003ctd\u003e~7ns (VCC=5V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Clock Frequency\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;100MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e5 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003e74HC00 NAND Gate Truth Table\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eInput A\u003c\/th\u003e\n\u003cth\u003eInput B\u003c\/th\u003e\n\u003cth\u003eOutput Y\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003e74HC00 vs 74LS00 vs 74HCT00\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003e74HC00 (CMOS)\u003c\/th\u003e\n\u003cth\u003e74LS00 (TTL)\u003c\/th\u003e\n\u003cth\u003e74HCT00 (CMOS\/TTL)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e2–6V\u003c\/td\u003e\n\u003ctd\u003e5V only\u003c\/td\u003e\n\u003ctd\u003e4.5–5.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Levels\u003c\/td\u003e\n\u003ctd\u003eCMOS (70% VCC)\u003c\/td\u003e\n\u003ctd\u003eTTL (VIH=2.0V)\u003c\/td\u003e\n\u003ctd\u003eTTL (VIH=2.0V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower consumption\u003c\/td\u003e\n\u003ctd\u003eVery low (CMOS)\u003c\/td\u003e\n\u003ctd\u003eHigher (TTL)\u003c\/td\u003e\n\u003ctd\u003eVery low (CMOS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed\u003c\/td\u003e\n\u003ctd\u003e~7ns\u003c\/td\u003e\n\u003ctd\u003e~10ns\u003c\/td\u003e\n\u003ctd\u003e~7ns\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eNew CMOS designs, 3.3V\/5V\u003c\/td\u003e\n\u003ctd\u003eLegacy TTL repair\u003c\/td\u003e\n\u003ctd\u003eTTL-to-CMOS interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose 74HC00N?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal gate\u003c\/strong\u003e — any logic function (AND, OR, NOT, XOR, flip-flop) can be built from NAND gates alone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2–6V supply\u003c\/strong\u003e — works with 3.3V (ESP32, STM32) and 5V (Arduino) systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mA output drive\u003c\/strong\u003e — directly drives LEDs, small loads, and other logic inputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100MHz+ speed\u003c\/strong\u003e — suitable for high-frequency oscillator and clock generation circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-pack value\u003c\/strong\u003e — sufficient for multiple logic circuit builds and experiments\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible With \/ Common Use Cases\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic inverter\u003c\/strong\u003e: Tie both inputs together — NAND with both inputs = NOT gate (inverter)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNAND oscillator\u003c\/strong\u003e: RC oscillator using two NAND gates as inverters for clock generation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSR latch\u003c\/strong\u003e: Two cross-coupled NAND gates form a Set-Reset latch (basic memory element)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCombinational logic\u003c\/strong\u003e: Implement AND, OR, XOR using NAND gate combinations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital electronics education\u003c\/strong\u003e: Breadboard logic circuit experiments for Boolean algebra and digital design\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I make an inverter (NOT gate) from 74HC00N?\u003c\/strong\u003e\u003cbr\u003eA: Connect both inputs of one NAND gate together. When both inputs are HIGH (1,1), output is LOW (NAND truth table: 1,1→0). When both inputs are LOW (0,0), output is HIGH (0,0→1). This gives NOT gate behavior: output = NOT(input). Each 74HC00N provides 4 inverters this way.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I build an SR latch from 74HC00N?\u003c\/strong\u003e\u003cbr\u003eA: Use two NAND gates cross-coupled: Gate 1 output connects to Gate 2 input B; Gate 2 output connects to Gate 1 input B. Gate 1 input A = ̅S̅ (active-low Set), Gate 2 input A = ̅R̅ (active-low Reset). Gate 1 output = Q, Gate 2 output = ̅Q̅. Pull ̅S̅ LOW to Set (Q=1), pull ̅R̅ LOW to Reset (Q=0). Both HIGH = hold state.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can 74HC00N drive an LED directly?\u003c\/strong\u003e\u003cbr\u003eA: Yes — 74HC00N output can sink or source 25mA. For a 5V supply and red LED (VF=2.0V, IF=10mA): R = (5 − 2.0) \/ 0.010 = 300Ω. Use 330Ω standard value. Connect LED anode to 5V, cathode through 330Ω to NAND output (active-low drive: LED on when output LOW). For active-high drive, connect LED anode to NAND output through 330Ω, cathode to GND.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e5× 74HC00N \/ SN74HC00N Quad 2-Input NAND Gate IC (DIP-14)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991469674731,"sku":"\u003cnone\u003e","price":5.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/74hc00n-dip14-quad-nand-gate-ic.webp?v=1761634451"},{"product_id":"sn74hc08n-quad-2-input-and-gate-logic-ic-dip14-74hc08-5pcs","title":"SN74HC08N Quad 2-Input AND Gate Logic IC DIP-14 – Pack of 5 (74HC08)","description":"\u003ch2\u003eSN74HC08N (74HC08) Quad 2-Input AND Gate — DIP-14, 2–6V, 25mA (5-Pack)\u003c\/h2\u003e\u003cp\u003eThe SN74HC08N contains four independent 2-input AND gates in a DIP-14 through-hole package, operating from 2V to 6V with CMOS logic levels. The AND gate output is HIGH only when both inputs are HIGH, making it the fundamental building block for signal gating, clock enable circuits, combinational logic, and digital control systems. With 25mA output drive and 7ns propagation delay at 5V, it is suitable for both low-speed control logic and higher-frequency digital circuits.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eDIP-14 (through-hole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGates\u003c\/td\u003e\n\u003ctd\u003e4× 2-input AND\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Family\u003c\/td\u003e\n\u003ctd\u003e74HC (High-Speed CMOS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e2V – 6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Logic Levels\u003c\/td\u003e\n\u003ctd\u003eVIH ≥ 70% VCC, VIL ≤ 30% VCC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Drive Current\u003c\/td\u003e\n\u003ctd\u003e±25mA per output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePropagation Delay\u003c\/td\u003e\n\u003ctd\u003e~7ns (VCC=5V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e5 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAND Gate Truth Table\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eInput A\u003c\/th\u003e\n\u003cth\u003eInput B\u003c\/th\u003e\n\u003cth\u003eOutput Y\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003e74HC08 vs 74HC00 (NAND) vs 74HC32 (OR)\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eIC\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003eOutput HIGH when\u003c\/th\u003e\n\u003cth\u003eCommon Use\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74HC08 (AND)\u003c\/td\u003e\n\u003ctd\u003eA AND B\u003c\/td\u003e\n\u003ctd\u003eBoth inputs HIGH\u003c\/td\u003e\n\u003ctd\u003eSignal gating, clock enable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74HC00 (NAND)\u003c\/td\u003e\n\u003ctd\u003eNOT(A AND B)\u003c\/td\u003e\n\u003ctd\u003eAny input LOW\u003c\/td\u003e\n\u003ctd\u003eUniversal gate, SR latch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74HC32 (OR)\u003c\/td\u003e\n\u003ctd\u003eA OR B\u003c\/td\u003e\n\u003ctd\u003eAny input HIGH\u003c\/td\u003e\n\u003ctd\u003eSignal combining, interrupt OR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e74HC86 (XOR)\u003c\/td\u003e\n\u003ctd\u003eA XOR B\u003c\/td\u003e\n\u003ctd\u003eInputs differ\u003c\/td\u003e\n\u003ctd\u003eParity, comparator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose SN74HC08N?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAND gate function\u003c\/strong\u003e — output HIGH only when both inputs HIGH, ideal for conditional signal gating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2–6V supply\u003c\/strong\u003e — compatible with 3.3V (ESP32, STM32) and 5V (Arduino) systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mA output drive\u003c\/strong\u003e — directly drives LEDs, logic inputs, and small loads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 gates per IC\u003c\/strong\u003e — four independent AND gates in one DIP-14 package\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-pack value\u003c\/strong\u003e — sufficient for multiple logic circuit builds and experiments\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible With \/ Common Use Cases\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClock enable gate\u003c\/strong\u003e: AND gate between clock signal and enable pin — clock passes only when enable is HIGH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal gating\u003c\/strong\u003e: Gate a data signal with a control signal — data passes only when control is HIGH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupt masking\u003c\/strong\u003e: AND interrupt signal with mask bit to selectively enable\/disable interrupts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCombinational logic\u003c\/strong\u003e: Implement complex Boolean expressions using AND gates with other logic ICs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital electronics education\u003c\/strong\u003e: Breadboard AND gate experiments for Boolean algebra and logic design\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I use 74HC08 as a clock enable circuit?\u003c\/strong\u003e\u003cbr\u003eA: Connect the clock signal to input A of one AND gate. Connect the enable signal (from MCU GPIO or control logic) to input B. The output delivers the clock signal only when enable is HIGH. When enable is LOW, output stays LOW regardless of clock state. This prevents spurious clock edges when enabling\/disabling a clock domain.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I use 74HC08 with 3.3V Arduino or ESP32?\u003c\/strong\u003e\u003cbr\u003eA: Yes — 74HC08 operates from 2V to 6V. At 3.3V supply, VIH = 70% × 3.3V = 2.31V and VIL = 30% × 3.3V = 0.99V. ESP32 GPIO outputs 3.3V HIGH and 0V LOW, which meets these thresholds. The output at 3.3V supply is also 3.3V logic, compatible with other 3.3V devices.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 74HC08 and 74HCT08?\u003c\/strong\u003e\u003cbr\u003eA: 74HC08 has CMOS input thresholds (VIH = 70% VCC). 74HCT08 has TTL-compatible input thresholds (VIH = 2.0V fixed), making it compatible with 5V TTL outputs while providing CMOS output levels. Use 74HCT08 when interfacing with 74LS or other TTL logic families. For pure CMOS systems (Arduino, ESP32, STM32), 74HC08 is the correct choice.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e5× SN74HC08N (74HC08) Quad 2-Input AND Gate IC (DIP-14)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991469969643,"sku":"\u003cnone\u003e","price":8.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/sn74hc08n-dip14-quad-and-gate-ic.webp?v=1761634361"},{"product_id":"74hc14d-sn74hc14dr-hex-schmitt-trigger-inverter-sop14-2-6v-5pack","title":"74HC14D Hex Schmitt Trigger Inverter — SOP-14 SMD, 2–6V, -40°C to 125°C (5-Pack)","description":"\u003ch2\u003e74HC14D \/ SN74HC14DR Hex Schmitt Trigger Inverter — SOP-14 SMD, 2–6V (5-Pack)\u003c\/h2\u003e\u003cp\u003eThe 74HC14D (SN74HC14DR) contains six independent Schmitt trigger inverters in a SOP-14 SMD package. Unlike standard inverters, each gate has hysteresis (typically 0.9V at 5V supply) that makes the output switching threshold different for rising and falling inputs. This hysteresis eliminates false triggering from slow-rising signals, noise, and contact bounce, making it the standard IC for signal conditioning, button debouncing, RC oscillators, and noise-immune logic interfacing.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eSOP-14 (SMD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGates\u003c\/td\u003e\n\u003ctd\u003e6× Schmitt trigger inverter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Family\u003c\/td\u003e\n\u003ctd\u003e74HC (High-Speed CMOS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e2V – 6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHysteresis (VCC=5V)\u003c\/td\u003e\n\u003ctd\u003e~0.9V typ. (VT+ ≈ 2.9V, VT− ≈ 2.0V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Drive Current\u003c\/td\u003e\n\u003ctd\u003e±25mA per output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePropagation Delay\u003c\/td\u003e\n\u003ctd\u003e~13ns (VCC=5V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e5 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eSchmitt Trigger vs Standard Inverter\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSchmitt Trigger (74HC14)\u003c\/th\u003e\n\u003cth\u003eStandard Inverter (74HC04)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching threshold\u003c\/td\u003e\n\u003ctd\u003eHysteresis (VT+ ≠ VT−)\u003c\/td\u003e\n\u003ctd\u003eSingle threshold (~50% VCC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise immunity\u003c\/td\u003e\n\u003ctd\u003eHigh (rejects noise within hysteresis band)\u003c\/td\u003e\n\u003ctd\u003eLow (any noise near threshold causes glitch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlow signal handling\u003c\/td\u003e\n\u003ctd\u003eClean output from slow-rising input\u003c\/td\u003e\n\u003ctd\u003eMultiple transitions on slow input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eNoisy signals, RC oscillator, debounce\u003c\/td\u003e\n\u003ctd\u003eClean digital signals only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose 74HC14D?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSchmitt trigger hysteresis\u003c\/strong\u003e — ~0.9V hysteresis at 5V eliminates false triggering from noise and slow signals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6 inverters per IC\u003c\/strong\u003e — six independent Schmitt trigger inverters in one SOP-14 package\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRC oscillator\u003c\/strong\u003e — one inverter + R + C forms a simple square wave oscillator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eButton debouncing\u003c\/strong\u003e — RC + Schmitt trigger eliminates contact bounce without software debounce\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSOP-14 SMD\u003c\/strong\u003e — compact footprint for PCB designs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible With \/ Common Use Cases\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRC oscillator\u003c\/strong\u003e: One 74HC14 inverter + R (10kΩ) + C (10nF) = ~10kHz square wave oscillator (f ≈ 1\/(1.2×R×C))\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eButton debounce\u003c\/strong\u003e: RC filter (10kΩ + 100nF) on button input, then through 74HC14 — clean digital output without bounce\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal conditioning\u003c\/strong\u003e: Convert slow-rising analog-like signals (thermistor, photodiode) to clean digital edges\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrystal oscillator buffer\u003c\/strong\u003e: Buffer crystal oscillator output for distribution to multiple logic circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise-immune input\u003c\/strong\u003e: Interface noisy industrial sensors to clean CMOS logic\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I build an RC oscillator with 74HC14?\u003c\/strong\u003e\u003cbr\u003eA: Connect a resistor R from the output of one inverter back to its input. Connect a capacitor C from the input to GND. The oscillation frequency is approximately f = 1 \/ (1.2 × R × C). For R=10kΩ, C=10nF: f = 1 \/ (1.2 × 10000 × 0.00000001) = ~8.3kHz. Use a second inverter to buffer the output for a clean square wave drive.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 74HC14 (SOP-14) and 74HC14N (DIP-14)?\u003c\/strong\u003e\u003cbr\u003eA: 74HC14D is the SOP-14 SMD package (surface mount). 74HC14N is the DIP-14 through-hole package. Both have identical electrical specifications — the only difference is the physical package. Use DIP-14 for breadboard prototyping; use SOP-14 for PCB designs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can 74HC14 debounce a mechanical switch without software?\u003c\/strong\u003e\u003cbr\u003eA: Yes — connect a 10kΩ pull-up resistor from VCC to the switch input, and a 100nF capacitor from the switch input to GND. Connect the switch between input and GND. Feed the RC-filtered signal into a 74HC14 inverter. The RC time constant (10kΩ × 100nF = 1ms) filters bounce pulses, and the Schmitt trigger provides a clean digital output. The output is inverted — add a second inverter stage if non-inverted output is needed.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e5× 74HC14D \/ SN74HC14DR Hex Schmitt Trigger Inverter IC (SOP-14)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991470002411,"sku":"\u003cnone\u003e","price":8.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/74hc14d-sop14-hex-schmitt-trigger-smd.webp?v=1761634322"},{"product_id":"74hc14d-sn74hc14dr-hex-schmitt-trigger-inverter-sop14-smd-10pack","title":"74HC14D \/ SN74HC14DR Hex Schmitt Trigger Inverter — SOP-14 SMD, 2–6V (10-Pack)","description":"\u003ch2\u003e74HC14D \/ SN74HC14DR — Hex Schmitt Trigger Inverter, SOP-14 SMD\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003e74HC14D\u003c\/strong\u003e (also marked \u003cstrong\u003eSN74HC14DR\u003c\/strong\u003e) contains \u003cstrong\u003esix independent Schmitt trigger inverters\u003c\/strong\u003e in a compact \u003cstrong\u003eSOP-14 SMD package\u003c\/strong\u003e. The built-in hysteresis on each input makes it ideal for converting slow, noisy, or non-digital signals into clean logic levels — a must-have for signal conditioning, switch debouncing, and oscillator circuits.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e74HC14D \/ SN74HC14DR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eSOP-14 (SMD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage (V\u003csub\u003eCC\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e2V – 6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Inverters\u003c\/td\u003e\n\u003ctd\u003e6 (Hex)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePropagation Delay (t\u003csub\u003epd\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e7ns @ 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current (I\u003csub\u003eOH\u003c\/sub\u003e\/I\u003csub\u003eOL\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e±25mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Hysteresis\u003c\/td\u003e\n\u003ctd\u003e~0.9V @ 5V V\u003csub\u003eCC\u003c\/sub\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Family\u003c\/td\u003e\n\u003ctd\u003e74HC (High-Speed CMOS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew, Original\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eWhy Choose 74HC14D?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSchmitt trigger hysteresis\u003c\/strong\u003e — eliminates chatter and noise on slow-rising signals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide supply range (2–6V)\u003c\/strong\u003e — compatible with 3.3V and 5V logic systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-speed CMOS\u003c\/strong\u003e — 7ns propagation delay for fast digital designs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e±25mA output drive\u003c\/strong\u003e — directly drives LEDs, small loads, and bus lines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSOP-14 SMD\u003c\/strong\u003e — compact footprint for PCB space-constrained designs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10-pack value\u003c\/strong\u003e — sufficient for multiple projects or production runs\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal conditioning\u003c\/strong\u003e — convert analog\/slow signals to clean digital edges\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitch \u0026amp; button debouncing\u003c\/strong\u003e — eliminate mechanical contact bounce in microcontroller inputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRC oscillator\u003c\/strong\u003e — build simple square-wave oscillators with one inverter + RC network\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLevel conversion\u003c\/strong\u003e — interface between different logic voltage domains\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise-immune bus receivers\u003c\/strong\u003e — clean up long PCB traces or cable signals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaveform shaping\u003c\/strong\u003e — reshape degraded clock or data signals\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eCompatible With\u003c\/h3\u003e\u003cp\u003ePin-compatible with \u003cstrong\u003e74HCT14, CD40106, SN74LS14, SN74S14\u003c\/strong\u003e (verify voltage and timing requirements). Works with Arduino, STM32, ESP32, Raspberry Pi, and any 2–6V logic system.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 74HC14D and SN74HC14DR?\u003c\/strong\u003e\u003cbr\u003eA: They are the same device. SN74HC14DR is Texas Instruments’ part number; 74HC14D is the NXP\/Philips designation. Both are electrically identical hex Schmitt trigger inverters in SOP-14.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I use 74HC14D with a 3.3V microcontroller?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The 74HC14D operates from 2V to 6V, making it fully compatible with 3.3V systems including STM32, ESP32, and Raspberry Pi GPIO.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: How many inverters are in one IC?\u003c\/strong\u003e\u003cbr\u003eA: Six (hex). Each has an independent Schmitt trigger input and inverting output.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e10× 74HC14D \/ SN74HC14DR SOP-14 SMD IC (new, original)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991471411435,"sku":"\u003cnone\u003e","price":6.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/74hc14d-sop14-hex-schmitt-trigger-inverter.webp?v=1761633623"},{"product_id":"sn74hc32n-quad-2-input-or-gate-dip14-74hc-5pack","title":"SN74HC32N Quad 2-Input OR Gate — DIP-14, 2–6V, 74HC Logic (5-Pack)","description":"\u003ch2\u003eSN74HC32N — Quad 2-Input OR Gate, DIP-14 Through-Hole\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eSN74HC32N\u003c\/strong\u003e contains \u003cstrong\u003efour independent 2-input OR gates\u003c\/strong\u003e in a standard \u003cstrong\u003eDIP-14 through-hole package\u003c\/strong\u003e. Part of the 74HC high-speed CMOS logic family, it operates from 2V to 6V and delivers fast propagation delays with low power consumption — a fundamental building block for digital logic design, combinational circuits, and microcontroller interfacing.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eSN74HC32N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eDIP-14 (Through-Hole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Function\u003c\/td\u003e\n\u003ctd\u003eQuad 2-Input OR Gate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage (V\u003csub\u003eCC\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e2V – 6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePropagation Delay (t\u003csub\u003epd\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e~7ns @ 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current (I\u003csub\u003eOH\u003c\/sub\u003e\/I\u003csub\u003eOL\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e±25mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Family\u003c\/td\u003e\n\u003ctd\u003e74HC (High-Speed CMOS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew, Original\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eWhy Choose SN74HC32N?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIP-14 package\u003c\/strong\u003e — breadboard-friendly, no SMD soldering required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide supply range (2–6V)\u003c\/strong\u003e — works with 3.3V and 5V systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e74HC CMOS\u003c\/strong\u003e — low quiescent current, fast switching, high noise immunity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e±25mA output drive\u003c\/strong\u003e — can directly drive LEDs and small loads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-pack value\u003c\/strong\u003e — ideal for classroom labs, prototyping, and stock\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCombinational logic design\u003c\/strong\u003e — OR function in digital circuits and truth table implementations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal multiplexing\u003c\/strong\u003e — combine multiple enable signals into one\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupt logic\u003c\/strong\u003e — OR multiple interrupt sources for microcontroller input\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArduino \/ breadboard projects\u003c\/strong\u003e — logic gate experiments and digital design labs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAddress decoding\u003c\/strong\u003e — combine address lines in memory or peripheral selection circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm and detection circuits\u003c\/strong\u003e — trigger output when any of multiple conditions is true\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eCompatible With\u003c\/h3\u003e\u003cp\u003ePin-compatible with \u003cstrong\u003e74HCT32, 74LS32, 74S32, CD4071\u003c\/strong\u003e (verify voltage and timing). Works with Arduino UNO, Mega, Nano, STM32, ESP32, and any 2–6V logic system. Standard 2.54mm DIP-14 footprint fits all common breadboards.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: How many OR gates are in one SN74HC32N?\u003c\/strong\u003e\u003cbr\u003eA: Four independent 2-input OR gates. Each gate has two inputs (A, B) and one output (Y = A OR B).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Is SN74HC32N compatible with 3.3V Arduino or ESP32?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The 74HC family operates from 2V to 6V, making it fully compatible with 3.3V logic systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 74HC32 and 74HCT32?\u003c\/strong\u003e\u003cbr\u003eA: The 74HCT32 has TTL-compatible input thresholds (V\u003csub\u003eIH\u003c\/sub\u003e = 2.0V), while 74HC32 uses CMOS thresholds. Use 74HCT32 when interfacing with 5V TTL outputs.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e5× SN74HC32N DIP-14 Quad 2-Input OR Gate IC (new, original)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991471476971,"sku":"\u003cnone\u003e","price":6.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/sn74hc32n-dip14-logic-ic-quad-or-gate.webp?v=1761633592"},{"product_id":"tja1042-tja1051-can-bus-transceiver-module-iso11898-arduino-esp32","title":"TJA1042 \/ TJA1051 High-Speed CAN Bus Transceiver Module — ISO 11898, Arduino, ESP32","description":"\u003ch2\u003eTJA1042 \/ TJA1051 — High-Speed CAN Bus Transceiver Module, ISO 11898\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eTJA1042\u003c\/strong\u003e and \u003cstrong\u003eTJA1051\u003c\/strong\u003e are \u003cstrong\u003ehigh-speed CAN bus transceiver modules\u003c\/strong\u003e from NXP — the physical layer interface between a CAN controller (ESP32, STM32, MCP2515) and the CAN bus differential pair (CANH\/CANL). CAN bus is the standard communication protocol in \u003cstrong\u003eautomotive ECUs, industrial automation, and robotics\u003c\/strong\u003e. These transceivers support \u003cstrong\u003eISO 11898-2 high-speed CAN at up to 1Mbps\u003c\/strong\u003e with ultra-low power standby mode.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eTJA1042\u003c\/th\u003e\n\u003cth\u003eTJA1051\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003eISO 11898-2\u003c\/td\u003e\n\u003ctd\u003eISO 11898-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Data Rate\u003c\/td\u003e\n\u003ctd\u003e1Mbps\u003c\/td\u003e\n\u003ctd\u003e1Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage (V\u003csub\u003eCC\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e4.5V – 5.5V\u003c\/td\u003e\n\u003ctd\u003e4.5V – 5.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V \/ 5V compatible\u003c\/td\u003e\n\u003ctd\u003e3.3V \/ 5V compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandby Mode\u003c\/td\u003e\n\u003ctd\u003eYes (low power)\u003c\/td\u003e\n\u003ctd\u003eYes (low power)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Fault Protection\u003c\/td\u003e\n\u003ctd\u003e±58V\u003c\/td\u003e\n\u003ctd\u003e±58V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +150°C\u003c\/td\u003e\n\u003ctd\u003e-40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage (IC)\u003c\/td\u003e\n\u003ctd\u003eSO8 \/ DFN8\u003c\/td\u003e\n\u003ctd\u003eSO8 \/ DFN8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Form Factor\u003c\/td\u003e\n\u003ctd\u003eBreakout board with screw terminals\u003c\/td\u003e\n\u003ctd\u003eBreakout board with screw terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eTJA1042 vs TJA1051 — Key Differences\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eTJA1042\u003c\/th\u003e\n\u003cth\u003eTJA1051\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandby Wake-up\u003c\/td\u003e\n\u003ctd\u003eRemote wake-up via CAN bus ✅\u003c\/td\u003e\n\u003ctd\u003eNo remote wake-up ❌\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Temp\u003c\/td\u003e\n\u003ctd\u003e+150°C (AEC-Q100 Grade 0)\u003c\/td\u003e\n\u003ctd\u003e+125°C (AEC-Q100 Grade 1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eAutomotive (engine bay)\u003c\/td\u003e\n\u003ctd\u003eGeneral automotive \u0026amp; industrial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eWhy Choose TJA1042\/TJA1051?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO 11898-2 compliant\u003c\/strong\u003e — industry-standard CAN physical layer for guaranteed interoperability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1Mbps data rate\u003c\/strong\u003e — maximum CAN bus speed for high-speed automotive and industrial networks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e±58V bus fault protection\u003c\/strong\u003e — survives wiring faults and load dump transients\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.3V\/5V I\/O compatible\u003c\/strong\u003e — works directly with ESP32, STM32, Arduino, and Raspberry Pi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-low standby current\u003c\/strong\u003e — ideal for battery-powered CAN nodes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreakout module\u003c\/strong\u003e — screw terminals for CANH\/CANL, VCC, GND, and TXD\/RXD\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomotive OBD-II \/ ECU interface\u003c\/strong\u003e — read vehicle CAN bus data with ESP32 or STM32\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial automation\u003c\/strong\u003e — CANopen and DeviceNet node physical layer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobotics\u003c\/strong\u003e — multi-axis servo communication over CAN bus\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEV battery management\u003c\/strong\u003e — BMS cell monitoring over CAN network\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArduino CAN bus projects\u003c\/strong\u003e — use with MCP2515 CAN controller module\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eCompatible With\u003c\/h3\u003e\u003cp\u003eWorks with \u003cstrong\u003eMCP2515 CAN controller\u003c\/strong\u003e (SPI interface), \u003cstrong\u003eESP32 built-in TWAI\/CAN controller\u003c\/strong\u003e, \u003cstrong\u003eSTM32 bxCAN\u003c\/strong\u003e, and \u003cstrong\u003eRaspberry Pi with MCP2515 HAT\u003c\/strong\u003e. Compatible with \u003cstrong\u003eArduino CAN libraries\u003c\/strong\u003e (arduino-CAN, mcp_can).\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Do I need a CAN controller IC separately?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The TJA1042\/TJA1051 is a transceiver (physical layer only). You need a CAN controller such as MCP2515 (SPI) or use the built-in CAN\/TWAI peripheral in ESP32 or STM32.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What termination resistor is needed?\u003c\/strong\u003e\u003cbr\u003eA: CAN bus requires 120Ω termination at each end of the bus. Many modules include an onboard 120Ω resistor that can be enabled via jumper.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can TJA1042 be used with 3.3V microcontrollers?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The TXD\/RXD I\/O pins are compatible with 3.3V logic levels, making it suitable for ESP32, STM32, and other 3.3V systems.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1× TJA1042 or TJA1051 CAN Bus Transceiver Module (as selected)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"TJA1051 \/ 5PCS","offer_id":46991475048683,"sku":"14:350852#TJA1051;3:1981284404#5PCS","price":20.72,"currency_code":"USD","in_stock":true},{"title":"TJA1042 \/ 5PCS","offer_id":46991475081451,"sku":"14:1202#TJA1042;3:1981284404#5PCS","price":20.72,"currency_code":"USD","in_stock":true},{"title":"TJA1051 \/ 1PCS","offer_id":46991475114219,"sku":"14:350852#TJA1051;3:201010228#1PCS","price":4.8,"currency_code":"USD","in_stock":true},{"title":"TJA1042 \/ 1PCS","offer_id":46991475146987,"sku":"14:1202#TJA1042;3:201010228#1PCS","price":4.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/tja1042-tja1051-can-transceiver-module-arduino.webp?v=1761631075"},{"product_id":"74hc245-octal-bus-transceiver-sop20-3state-5pack","title":"74HC245 Octal Bus Transceiver — SOP-20 Wide Body, 3-State, 2–6V (5-Pack)","description":"\u003ch2\u003e74HC245 — Octal Bus Transceiver, SOP-20 Wide Body, 3-State Outputs\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003e74HC245\u003c\/strong\u003e (also marked \u003cstrong\u003eICN74HC245\u003c\/strong\u003e or \u003cstrong\u003eSM74HC245D\u003c\/strong\u003e) is a high-speed \u003cstrong\u003eCMOS octal (8-bit) bidirectional bus transceiver\u003c\/strong\u003e with \u003cstrong\u003e3-state outputs\u003c\/strong\u003e in a \u003cstrong\u003eSOP-20 wide-body (7.2mm) SMD package\u003c\/strong\u003e. It provides \u003cstrong\u003enon-inverting data transfer\u003c\/strong\u003e in either direction (A→B or B→A) controlled by the direction pin (DIR), and can be disabled to high-impedance state via the output enable pin (\/OE). Operating from \u003cstrong\u003e2V to 6V\u003c\/strong\u003e, it is compatible with both 3.3V and 5V logic systems. Each pack contains \u003cstrong\u003e5 pieces\u003c\/strong\u003e.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e74HC245 (ICN74HC245 \/ SM74HC245D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eSOP-20 Wide Body (7.2mm, 1.27mm pitch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eOctal Bidirectional Bus Transceiver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Width\u003c\/td\u003e\n\u003ctd\u003e8-bit (octal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003e3-State (High-Z when \/OE = HIGH)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDirection Control\u003c\/td\u003e\n\u003ctd\u003eDIR pin (HIGH = A→B, LOW = B→A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage (V\u003csub\u003eCC\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e2V – 6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current (I\u003csub\u003eOH\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e-7.8mA (source)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current (I\u003csub\u003eOL\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e7.8mA (sink)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePropagation Delay\u003c\/td\u003e\n\u003ctd\u003e~7ns @ 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Family\u003c\/td\u003e\n\u003ctd\u003eHC CMOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e5 pieces per pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eWhy Choose 74HC245?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8-bit bidirectional\u003c\/strong\u003e — transfer full byte in either direction with single DIR pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-state outputs\u003c\/strong\u003e — multiple transceivers can share the same bus without conflict\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7.8mA output drive\u003c\/strong\u003e — directly drive LEDs, logic inputs, and bus lines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2–6V supply\u003c\/strong\u003e — compatible with 3.3V and 5V systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e~7ns propagation delay\u003c\/strong\u003e — suitable for high-speed data bus applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-pack value\u003c\/strong\u003e — enough for multi-byte bus or multiple projects\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eData bus buffering\u003c\/strong\u003e — isolate and buffer microcontroller data buses\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic level shifting\u003c\/strong\u003e — interface 3.3V microcontrollers with 5V peripherals (with appropriate V\u003csub\u003eCC\u003c\/sub\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED matrix driving\u003c\/strong\u003e — sink current for 8-LED rows in matrix displays\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMemory interface\u003c\/strong\u003e — buffer address and data buses for SRAM and Flash memory\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFPGA I\/O expansion\u003c\/strong\u003e — extend FPGA I\/O with buffered 3-state outputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBus isolation\u003c\/strong\u003e — isolate subsystems on shared data bus with \/OE control\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003ePin Description\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePin\u003c\/th\u003e\n\u003cth\u003eName\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e\/OE\u003c\/td\u003e\n\u003ctd\u003eOutput Enable (active LOW — HIGH = high-Z)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eDIR\u003c\/td\u003e\n\u003ctd\u003eDirection (HIGH = A→B, LOW = B→A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3–10\u003c\/td\u003e\n\u003ctd\u003eA1–A8\u003c\/td\u003e\n\u003ctd\u003eA-side data bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11–18\u003c\/td\u003e\n\u003ctd\u003eB1–B8\u003c\/td\u003e\n\u003ctd\u003eB-side data bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003eV\u003csub\u003eCC\u003c\/sub\u003e\n\u003c\/td\u003e\n\u003ctd\u003eSupply voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Can 74HC245 be used for 3.3V to 5V level shifting?\u003c\/strong\u003e\u003cbr\u003eA: Partially. Power the 74HC245 at 5V and connect the A-side to 5V logic and B-side to 3.3V logic. The 3.3V inputs will be recognized as HIGH (V\u003csub\u003eIH\u003c\/sub\u003e min = 3.5V at 5V V\u003csub\u003eCC\u003c\/sub\u003e). For reliable bidirectional level shifting, use a dedicated level shifter (e.g., TXB0108).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 74HC245 and 74HCT245?\u003c\/strong\u003e\u003cbr\u003eA: 74HC245 has CMOS-level inputs (V\u003csub\u003eIH\u003c\/sub\u003e = 0.7×V\u003csub\u003eCC\u003c\/sub\u003e). 74HCT245 has TTL-compatible inputs (V\u003csub\u003eIH\u003c\/sub\u003e = 2.0V fixed), making it better for interfacing with 5V TTL outputs when powered at 5V.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Is ICN74HC245 the same as 74HC245?\u003c\/strong\u003e\u003cbr\u003eA: Yes. ICN74HC245 and SM74HC245D are manufacturer-specific markings for the standard 74HC245 function. They are pin-compatible and electrically equivalent.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e5× 74HC245 Octal Bus Transceiver SOP-20 (new, original)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991476621547,"sku":"\u003cnone\u003e","price":5.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/icn74hc245-sm74hc245d-74hc245-sop20-wide-body-bus-transceiver.webp?v=1761630077"},{"product_id":"sn74hc541n-74hc573n-74hc273n-74hc574n-dip20-cmos-logic-ic-2pcs","title":"SN74HC541N \/ 74HC573N \/ 74HC273N \/ 74HC574N DIP-20 CMOS Logic IC (2pcs)","description":"\u003ch2\u003eSN74HC541N \/ 74HC573N \/ 74HC273N \/ 74HC574N — DIP-20 CMOS Logic ICs\u003c\/h2\u003e\u003cp\u003eA selection of essential \u003cstrong\u003e74HC-series octal logic ICs\u003c\/strong\u003e in DIP-20 through-hole package. These high-speed CMOS devices cover the most common bus buffering, latching, and flip-flop functions used in digital logic design. Each listing provides \u003cstrong\u003e2 pieces\u003c\/strong\u003e of the selected type.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eIC Type Comparison\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003eTrigger\u003c\/th\u003e\n\u003cth\u003eOutput Enable\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSN74HC541N\u003c\/td\u003e\n\u003ctd\u003eOctal Buffer\/Line Driver (non-inverting)\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003ctd\u003eActive-low ŋE1, ŋE2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSN74HC573N\u003c\/td\u003e\n\u003ctd\u003eOctal D-Type Latch (transparent)\u003c\/td\u003e\n\u003ctd\u003eLevel (LE high)\u003c\/td\u003e\n\u003ctd\u003eActive-low ŋOE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSN74HC273N\u003c\/td\u003e\n\u003ctd\u003eOctal D-Type Flip-Flop with Clear\u003c\/td\u003e\n\u003ctd\u003eRising edge CLK\u003c\/td\u003e\n\u003ctd\u003eNone (always enabled)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSN74HC574N\u003c\/td\u003e\n\u003ctd\u003eOctal D-Type Flip-Flop with 3-State Output\u003c\/td\u003e\n\u003ctd\u003eRising edge CLK\u003c\/td\u003e\n\u003ctd\u003eActive-low ŋOE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eKey Specifications (All Types)\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Family\u003c\/td\u003e\n\u003ctd\u003e74HC (High-Speed CMOS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eDIP-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage (Vcc)\u003c\/td\u003e\n\u003ctd\u003e2V – 6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current (IOL\/IOH)\u003c\/td\u003e\n\u003ctd\u003e25mA \/ -25mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePropagation Delay (typ.)\u003c\/td\u003e\n\u003ctd\u003e7ns @ 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage (VIH)\u003c\/td\u003e\n\u003ctd\u003e3.5V min @ 5V Vcc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e2 PCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eWhy Choose 74HC Series?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eHigh-speed CMOS\u003c\/strong\u003e — 7ns propagation delay, suitable for MHz-range logic\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eWide voltage range\u003c\/strong\u003e — 2V to 6V, compatible with 3.3V and 5V systems\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e25mA output drive\u003c\/strong\u003e — directly drives LEDs and bus lines\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eDIP-20 package\u003c\/strong\u003e — breadboard and PCB compatible\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eIndustry-standard pinout\u003c\/strong\u003e — compatible with 74LS, 74HCT, 74ACT equivalents\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eCompatible With \/ Works With\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eArduino UNO\/Mega data bus expansion (74HC573 as address latch)\u003c\/li\u003e\n\u003cli\u003e8051 \/ Z80 \/ 6502 microprocessor bus demultiplexing (74HC573)\u003c\/li\u003e\n\u003cli\u003eFPGA I\/O expansion and level shifting\u003c\/li\u003e\n\u003cli\u003eLED matrix row\/column driver (74HC574 with 3-state output)\u003c\/li\u003e\n\u003cli\u003eLogic analyzer probe buffering (74HC541)\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAddress Latch\u003c\/strong\u003e — 74HC573 demultiplexes ALE signal on 8051\/8085 bus\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Bus Buffer\u003c\/strong\u003e — 74HC541 isolates microcontroller from high-capacitance bus\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRegister File\u003c\/strong\u003e — 74HC273\/574 stores 8-bit data on clock edge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Matrix Driver\u003c\/strong\u003e — 74HC574 drives 8 LEDs with 3-state output control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic Level Conversion\u003c\/strong\u003e — 3.3V to 5V bus translation with 74HC541\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 74HC573 and 74HC574?\u003c\/strong\u003e\u003cbr\u003eA: 74HC573 is a \u003cem\u003etransparent latch\u003c\/em\u003e (output follows input when LE=high, latches when LE=low). 74HC574 is an \u003cem\u003eedge-triggered flip-flop\u003c\/em\u003e (captures input on rising clock edge). Use 573 for address latching, 574 for registered data storage.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can 74HC541 replace 74LS541?\u003c\/strong\u003e\u003cbr\u003eA: Yes in most cases. 74HC541 has higher output drive (25mA vs 8mA for LS) and lower power consumption. Ensure Vcc is 5V for LS-compatible input thresholds, or use 74HCT541 for guaranteed TTL-level compatibility.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Are these 3.3V compatible?\u003c\/strong\u003e\u003cbr\u003eA: Yes. 74HC series operates from 2V to 6V. At 3.3V Vcc, VIH min = 2.31V, compatible with most 3.3V logic outputs.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e2× Selected 74HC DIP-20 Logic IC (type per variant selected)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"SN74HC541N","offer_id":46991478751467,"sku":"14:1202#SN74HC541N","price":10.44,"currency_code":"USD","in_stock":true},{"title":"SN74HC574N","offer_id":46991478784235,"sku":"14:203008818#SN74HC574N","price":6.52,"currency_code":"USD","in_stock":true},{"title":"SN74HC573N","offer_id":46991478817003,"sku":"14:175#SN74HC573N","price":6.36,"currency_code":"USD","in_stock":true},{"title":"SN74HC273N","offer_id":46991478849771,"sku":"14:691#SN74HC273N","price":6.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/sn74hc541n-sn74hc573n-sn74hc273n-sn74hc574n-dip20-logic-ic-chips.webp?v=1761628355"},{"product_id":"pca82c250-a82c250-sop8-can-bus-transceiver-ic-5v","title":"PCA82C250 \/ A82C250 \/ 82C250 SOP-8 CAN Bus Transceiver IC 5V","description":"\u003ch2\u003ePCA82C250 \/ A82C250 \/ 82C250 — SOP-8 CAN Bus Transceiver IC\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003ePCA82C250\u003c\/strong\u003e is a high-speed \u003cstrong\u003eCAN (Controller Area Network) bus transceiver\u003c\/strong\u003e compliant with \u003cstrong\u003eISO 11898\u003c\/strong\u003e, designed to interface between a CAN controller and the physical CAN bus. Supports data rates up to \u003cstrong\u003e1 Mbps\u003c\/strong\u003e and is widely used in automotive OBD systems, industrial automation, and embedded CAN networks. Available in SOP-8 SMD package.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Numbers\u003c\/td\u003e\n\u003ctd\u003ePCA82C250 \/ A82C250 \/ 82C250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eSOP-8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage (Vcc)\u003c\/td\u003e\n\u003ctd\u003e4.5V – 5.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAN Bus Standard\u003c\/td\u003e\n\u003ctd\u003eISO 11898 (high-speed CAN)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Data Rate\u003c\/td\u003e\n\u003ctd\u003e1 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Nodes\u003c\/td\u003e\n\u003ctd\u003eUp to 110 nodes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Voltage Range\u003c\/td\u003e\n\u003ctd\u003e-8V to +18V (fault tolerant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandby Current\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;170μA (standby mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESD Protection\u003c\/td\u003e\n\u003ctd\u003e±2kV (HBM) on bus pins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eWhy Choose PCA82C250?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eISO 11898 compliant\u003c\/strong\u003e — guaranteed interoperability with all CAN controllers\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e1 Mbps data rate\u003c\/strong\u003e — supports full-speed CAN FD-compatible networks\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e110-node bus\u003c\/strong\u003e — large network capacity for industrial applications\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFault-tolerant bus pins\u003c\/strong\u003e — withstands -8V to +18V bus faults\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eLow standby current\u003c\/strong\u003e — \u0026lt;170μA for battery-powered automotive ECUs\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eCompatible With \/ Works With\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMCP2515\u003c\/strong\u003e SPI CAN controller (Arduino CAN bus shield)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTM32\u003c\/strong\u003e bxCAN peripheral (F103, F407, F446 series)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eESP32\u003c\/strong\u003e TWAI (Two-Wire Automotive Interface) peripheral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNXP SJA1000\u003c\/strong\u003e standalone CAN controller\u003c\/li\u003e\n\u003cli\u003eOBD-II diagnostic interfaces (ISO 15765-4 CAN)\u003c\/li\u003e\n\u003cli\u003eCANopen and DeviceNet industrial networks\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eArduino CAN Bus\u003c\/strong\u003e — MCP2515 + PCA82C250 for OBD-II vehicle data logging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTM32 CAN Network\u003c\/strong\u003e — bxCAN peripheral with PCA82C250 transceiver for industrial automation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomotive ECU\u003c\/strong\u003e — body control module, ABS, and engine management CAN interface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial CANopen\u003c\/strong\u003e — sensor\/actuator nodes on factory automation networks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOBD-II Adapter\u003c\/strong\u003e — vehicle diagnostic tool CAN physical layer\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the difference between PCA82C250 and TJA1050?\u003c\/strong\u003e\u003cbr\u003eA: Both are ISO 11898 CAN transceivers with identical pinout and 1Mbps capability. TJA1050 has improved EMC performance and is the preferred choice for new designs. PCA82C250 is the classic original, widely used in existing automotive and industrial equipment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can PCA82C250 work with 3.3V microcontrollers?\u003c\/strong\u003e\u003cbr\u003eA: The IC requires 5V Vcc, but the TXD\/RXD logic pins are 3.3V-compatible (VIH min = 2.0V). Use a 5V supply for the IC and connect TXD\/RXD directly to 3.3V MCU GPIO without level shifting.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Do I need termination resistors on the CAN bus?\u003c\/strong\u003e\u003cbr\u003eA: Yes. ISO 11898 requires 120Ω termination at each end of the bus. For a 2-node bench setup, add one 120Ω resistor between CANH and CANL at each node.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003ePCA82C250 \/ A82C250 \/ 82C250 SOP-8 CAN Bus Transceiver IC (quantity per variant selected)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991479636203,"sku":"\u003cnone\u003e","price":8.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/pca82c250-a82c250-82c250-sop8-can-interface-ic-controller.webp?v=1761547738"},{"product_id":"sn74hc-series-dip16-cmos-logic-ics-221-237-251-253-257-258-259-2pcs","title":"SN74HC Series DIP-16 CMOS Logic ICs — 74HC221 237 251 253 257 258 259 (2pcs)","description":"\u003ch2\u003eSN74HC Series — DIP-16 CMOS Logic ICs\u003c\/h2\u003e\u003cp\u003eA selection of \u003cstrong\u003e74HC-series DIP-16 CMOS logic ICs\u003c\/strong\u003e covering multivibrators, decoders, multiplexers, and latches. Each listing provides \u003cstrong\u003e2 pieces\u003c\/strong\u003e of the selected type — new and original parts for digital logic design, prototyping, and repair.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eAvailable IC Types \u0026amp; Functions\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003eKey Feature\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSN74HC221\u003c\/td\u003e\n\u003ctd\u003eDual Monostable Multivibrator\u003c\/td\u003e\n\u003ctd\u003eRetriggerable, clear input, RC timing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSN74HC237\u003c\/td\u003e\n\u003ctd\u003e3-to-8 Line Decoder\/Demultiplexer\u003c\/td\u003e\n\u003ctd\u003eAddress latch, active-high outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSN74HC251\u003c\/td\u003e\n\u003ctd\u003e8-to-1 Data Selector\/Multiplexer\u003c\/td\u003e\n\u003ctd\u003e3-state output, complementary outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSN74HC253\u003c\/td\u003e\n\u003ctd\u003eDual 4-to-1 Multiplexer\u003c\/td\u003e\n\u003ctd\u003e3-state output, common select\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSN74HC257\u003c\/td\u003e\n\u003ctd\u003eQuad 2-to-1 Multiplexer\u003c\/td\u003e\n\u003ctd\u003e3-state output, non-inverting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSN74HC258\u003c\/td\u003e\n\u003ctd\u003eQuad 2-to-1 Multiplexer\u003c\/td\u003e\n\u003ctd\u003e3-state output, inverting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSN74HC259\u003c\/td\u003e\n\u003ctd\u003e8-Bit Addressable Latch\u003c\/td\u003e\n\u003ctd\u003eIndividual output enable, set\/reset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eKey Specifications (All Types)\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Family\u003c\/td\u003e\n\u003ctd\u003e74HC (High-Speed CMOS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eDIP-16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage (Vcc)\u003c\/td\u003e\n\u003ctd\u003e2V – 6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current (IOL\/IOH)\u003c\/td\u003e\n\u003ctd\u003e25mA \/ -25mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePropagation Delay (typ.)\u003c\/td\u003e\n\u003ctd\u003e8–12ns @ 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e2 PCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eWhy Choose 74HC Series?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eHigh-speed CMOS\u003c\/strong\u003e — 8–12ns propagation delay, suitable for MHz-range logic\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eWide voltage range 2–6V\u003c\/strong\u003e — compatible with 3.3V and 5V systems\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e25mA output drive\u003c\/strong\u003e — directly drives LEDs and bus lines\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eDIP-16 breadboard compatible\u003c\/strong\u003e — ideal for prototyping and repair\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eIndustry-standard pinout\u003c\/strong\u003e — compatible with 74LS, 74HCT, 74ACT equivalents\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTypical Applications by Type\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e74HC221\u003c\/strong\u003e — pulse stretcher, debounce circuit, one-shot timer for switch inputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e74HC237\u003c\/strong\u003e — address decoder for memory-mapped I\/O, LED matrix row select\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e74HC251\u003c\/strong\u003e — 8-channel analog\/digital multiplexer for ADC input selection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e74HC253\/257\u003c\/strong\u003e — bus multiplexer for shared data bus between two sources\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e74HC259\u003c\/strong\u003e — addressable latch for expanding GPIO output pins\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 74HC257 and 74HC258?\u003c\/strong\u003e\u003cbr\u003eA: Both are quad 2-to-1 multiplexers with 3-state output. 74HC257 has \u003cem\u003enon-inverting\u003c\/em\u003e outputs (Y = selected input); 74HC258 has \u003cem\u003einverting\u003c\/em\u003e outputs (Y = ¬selected input). Use 257 for transparent data routing, 258 when inversion is needed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can 74HC251 replace 74LS251?\u003c\/strong\u003e\u003cbr\u003eA: Yes in most cases. 74HC251 has higher output drive (25mA vs 8mA for LS) and lower power. Ensure Vcc is 5V for LS-compatible input thresholds, or use 74HCT251 for guaranteed TTL-level compatibility.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Is 74HC221 the same as 74HC123?\u003c\/strong\u003e\u003cbr\u003eA: Both are dual retriggerable monostable multivibrators. 74HC221 has separate A (falling-edge) and B (rising-edge) trigger inputs; 74HC123 has similar functionality with slightly different trigger logic. Check the datasheet for your specific timing requirements.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e2× Selected SN74HC Series DIP-16 Logic IC (type per variant selected)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"SN74HC237N","offer_id":46991482781931,"sku":"14:350852#SN74HC237N","price":15.32,"currency_code":"USD","in_stock":true},{"title":"SN74HC253N","offer_id":46991482814699,"sku":"14:691#SN74HC253N","price":7.08,"currency_code":"USD","in_stock":true},{"title":"SN74HC251N","offer_id":46991482847467,"sku":"14:175#SN74HC251N","price":10.96,"currency_code":"USD","in_stock":true},{"title":"SN74HC258N","offer_id":46991482880235,"sku":"14:203027873#SN74HC258N","price":12.08,"currency_code":"USD","in_stock":true},{"title":"SN74HC257N","offer_id":46991482913003,"sku":"14:203008818#SN74HC257N","price":7.28,"currency_code":"USD","in_stock":true},{"title":"SN74HC259N","offer_id":46991482945771,"sku":"14:202693815#SN74HC259N","price":15.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/sn74hc-series-dip16-logic-ics.webp?v=1761544860"}],"url":"https:\/\/keszoox.com\/collections\/logic-gates-ics.oembed","provider":"Keszoox","version":"1.0","type":"link"}