{"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","url":"https:\/\/keszoox.com\/products\/mc74hc-series-dip16-logic-ics-mux-counter-shift-register-flip-flop-2-6v-5pack","provider":"Keszoox","version":"1.0","type":"link"}