{"product_id":"74hc374-octal-d-type-edge-triggered-flip-flop-ic-20-pin-dip-package","title":"74HC374 (Octal D-Type Edge-Triggered Flip-Flop IC - 20-Pin DIP Package)","description":"\u003cp data-path-to-node=\"5\"\u003eWhen you move from blinking a few LEDs to designing complex digital systems that require shared data lines, you need a way to temporarily store and control the flow of information. The \u003cb data-path-to-node=\"5\" data-index-in-node=\"185\"\u003e74HC374\u003c\/b\u003e is the absolute standard for 8-bit parallel data storage. This 20-pin integrated circuit contains eight D-type (Data) flip-flops. Unlike a shift register (which loads data one bit at a time sequentially), the 374 loads all 8 bits of data simultaneously the exact moment it receives a rising \"tick\" on its Clock pin. It takes a perfect, instantaneous snapshot of whatever 1s and 0s are currently on its input pins and locks them into memory.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\" id=\"p-rc_962c3de70eecaa42-688\"\u003eWhat truly makes the 74HC374 a masterpiece of digital logic is its \u003cb data-path-to-node=\"6\" data-index-in-node=\"67\"\u003e3-State (Tri-State) Outputs\u003c\/b\u003e. In complex systems like a custom CPU, multiple chips need to share the same 8 wires (the data bus). If two chips try to \"talk\" on the bus at the same time, it causes a catastrophic short circuit. \u003cspan class=\"citation-776 citation-end-776\"\u003eThe 374 features an Output Enable (OE) pin.\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e When this pin is pulled High, the chip essentially physically disconnects its outputs from the circuit, entering a \"High-Impedance\" state. It remembers its stored data silently in the background, only broadcasting it to the bus when you grant it permission. \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eKey Features \u0026amp; Functional Advantages:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"8\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,0\"\u003e\u003cb data-path-to-node=\"8,0,0\" data-index-in-node=\"0\"\u003e8-Bit Parallel Operation:\u003c\/b\u003e Captures and stores a complete byte of data across 8 parallel input lines instantly, making it blazingly fast compared to serial shift registers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\"\u003e\u003cb data-path-to-node=\"8,1,0\" data-index-in-node=\"0\"\u003ePositive Edge-Triggered:\u003c\/b\u003e Data is only saved on the rising edge of the clock signal (the exact moment the clock goes from Low to High), allowing for incredibly precise timing synchronization in CPU builds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,0\"\u003e\u003cb data-path-to-node=\"8,2,0\" data-index-in-node=\"0\"\u003e3-State Outputs:\u003c\/b\u003e Features a highly necessary \"High-Impedance\" mode, allowing you to tie the outputs of multiple 374 chips directly to the same shared data bus without short-circuiting.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,0\" id=\"p-rc_962c3de70eecaa42-689\"\u003e\u003cspan class=\"citation-775\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"8,3,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-775\"\u003eHigh-Speed CMOS (HC) Architecture:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-775 citation-end-775\"\u003e Delivers the rapid switching speeds required for microprocessor clocking, while maintaining ultra-low power consumption and a wide 2.0V to 6.0V operating range.\u003csup class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,4,0\"\u003e\u003cb data-path-to-node=\"8,4,0\" data-index-in-node=\"0\"\u003eBreadboard Native (20-DIP):\u003c\/b\u003e Sized to fit perfectly across the center trench of a standard solderless breadboard, or into a permanent 20-pin DIP socket on your custom PCB.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003ePerfect For:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003eHomebrew 8-Bit Computers:\u003c\/b\u003e The absolute standard silicon for building the \"A Register,\" \"B Register,\" and \"Instruction Register\" in iconic DIY breadboard CPU projects (like the Ben Eater 8-bit computer).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003eData Bus Buffering:\u003c\/b\u003e Safely isolates delicate sensors or microcontrollers from a noisy, heavily loaded main system bus.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cb data-path-to-node=\"10,2,0\" data-index-in-node=\"0\"\u003eParallel I\/O Port Expansion:\u003c\/b\u003e An excellent way to grab an 8-bit snapshot from a microcontroller's parallel port and hold it steady to drive an LCD, printer, or DAC (Digital-to-Analog Converter).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,3,0\"\u003e\u003cb data-path-to-node=\"10,3,0\" data-index-in-node=\"0\"\u003eSignal Synchronization:\u003c\/b\u003e Highly effective for taking 8 messy, unsynchronized signals from mechanical switches and perfectly aligning them to a single, clean system clock pulse.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"12\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,0,0\"\u003e\u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"0\"\u003eLogic Family:\u003c\/b\u003e 74HC (High-Speed CMOS)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,0\"\u003e\u003cb data-path-to-node=\"12,1,0\" data-index-in-node=\"0\"\u003eLogic Function:\u003c\/b\u003e Octal D-Type Flip-Flop\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,2,0\"\u003e\u003cb data-path-to-node=\"12,2,0\" data-index-in-node=\"0\"\u003eNumber of Bits:\u003c\/b\u003e 8 (1 Byte)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,3,0\"\u003e\u003cb data-path-to-node=\"12,3,0\" data-index-in-node=\"0\"\u003eTrigger Type:\u003c\/b\u003e Positive Edge\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,4,0\"\u003e\u003cb data-path-to-node=\"12,4,0\" data-index-in-node=\"0\"\u003eOutput Type:\u003c\/b\u003e 3-State (Tri-State \/ High-Impedance capable)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,5,0\"\u003e\u003cb data-path-to-node=\"12,5,0\" data-index-in-node=\"0\"\u003eOperating Supply Voltage (Vcc):\u003c\/b\u003e 2.0V to 6.0V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,6,0\"\u003e\u003cb data-path-to-node=\"12,6,0\" data-index-in-node=\"0\"\u003eMaximum Clock Frequency:\u003c\/b\u003e \u0026gt; 50 MHz (Extremely fast data capture)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,7,0\" id=\"p-rc_962c3de70eecaa42-690\"\u003e\u003cb data-path-to-node=\"12,7,0\" data-index-in-node=\"0\"\u003ePackage \/ Case:\u003c\/b\u003e\u003cspan class=\"citation-774 citation-end-774\"\u003e 20-DIP (0.300\", 7.62mm width)\u003csup class=\"superscript\" data-turn-source-index=\"3\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,8,0\"\u003e\u003cb data-path-to-node=\"12,8,0\" data-index-in-node=\"0\"\u003eMounting Type:\u003c\/b\u003e Through-Hole (PTH)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K-TECHNICS","offers":[{"title":"Default Title","offer_id":42865654726727,"sku":null,"price":0.0,"currency_code":"KES","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/7637\/2039\/files\/74HC374-500x500-1.webp?v=1781082554","url":"https:\/\/www.ktechnics.com\/products\/74hc374-octal-d-type-edge-triggered-flip-flop-ic-20-pin-dip-package","provider":"K-TECHNICS","version":"1.0","type":"link"}