{"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","url":"https:\/\/keszoox.com\/products\/mc74hc-series-dip16-logic-ics-mux-counter-shift-register-flip-flop-3pcs","provider":"Keszoox","version":"1.0","type":"link"}