{"product_id":"newbiehack-integrated_circuits-buffer-quad-buffer-line-driver-throughhole","title":"Quad Buffer Line Driver 74HC126E 14-Pin DIP","description":"\u003cp class=\"whitespace-pre-wrap break-words\"\u003eThe 74HC126E is a quad non-inverting buffer\/line driver IC in a 14-pin DIP (Dual In-line Package) format, part of the 74HC (High-speed CMOS) family. Here are its key characteristics:\u003c\/p\u003e\n\u003cul class=\"-mt-1 [li\u0026gt;\u0026amp;]:mt-2 list-disc space-y-2 pl-8\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eOperating Voltage: 2V to 6V typical, optimized for 5V operation\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eFeatures four independent non-inverting buffers with 3-state outputs\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eEach buffer has a separate output enable (OE) control pin\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eActive-high enable inputs (output is enabled when OE is HIGH)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eHigh noise immunity characteristic of CMOS devices\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003ePropagation delay: typically 7ns at VCC = 5V\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eOutput drive capability: ±4mA at 5V\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eInput levels compatible with both CMOS and TTL devices\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"whitespace-pre-wrap break-words\"\u003ePin configuration (14-pin DIP):\u003c\/p\u003e\n\u003col class=\"-mt-1 [li\u0026gt;\u0026amp;]:mt-2 list-decimal space-y-2 pl-8\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e1OE (Output Enable 1)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e1A (Input 1)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e1Y (Output 1)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e2OE (Output Enable 2)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e2A (Input 2)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e2Y (Output 2)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eGND (Ground)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e3Y (Output 3)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e3A (Input 3)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e3OE (Output Enable 3)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e4Y (Output 4)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e4A (Input 4)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e4OE (Output Enable 4)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eVCC (Power Supply)\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"whitespace-pre-wrap break-words\"\u003eCommon applications include:\u003c\/p\u003e\n\u003cul class=\"-mt-1 [li\u0026gt;\u0026amp;]:mt-2 list-disc space-y-2 pl-8\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eBus interfacing\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eLevel translation\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eLine driving for longer PCB traces\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eSignal buffering between different logic families\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eData transmission in digital systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e74HC126E Quad Buffer Tutorial\u003c\/h2\u003e\n\u003cdiv class=\"requirements-section\"\u003e\n\u003ch3\u003eWhat You'll Need\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e74HC126E IC\u003c\/li\u003e\n\u003cli\u003e5V power supply\u003c\/li\u003e\n\u003cli\u003eBreadboard\u003c\/li\u003e\n\u003cli\u003eJumper wires\u003c\/li\u003e\n\u003cli\u003eLEDs with current-limiting resistors (330Ω recommended)\u003c\/li\u003e\n\u003cli\u003ePush buttons or switches\u003c\/li\u003e\n\u003cli\u003ePull-down resistors (10kΩ)\u003c\/li\u003e\n\u003cli\u003e0.1µF bypass capacitor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"setup-section\"\u003e\n\u003ch3\u003eInitial Setup\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003ePosition the 74HC126E on your breadboard across the center gap\u003c\/li\u003e\n\u003cli\u003eConnect pin 7 (GND) to ground rail\u003c\/li\u003e\n\u003cli\u003eConnect pin 14 (VCC) to 5V supply rail\u003c\/li\u003e\n\u003cli\u003eInstall a 0.1µF bypass capacitor between VCC and GND near the IC\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"basic-operation\"\u003e\n\u003ch3\u003eBasic Buffer Operation\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eTesting Buffer 1:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePin 1: Output Enable (1OE)\u003c\/li\u003e\n\u003cli\u003ePin 2: Input (1A)\u003c\/li\u003e\n\u003cli\u003ePin 3: Output (1Y)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBasic Circuit Setup:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eConnect a 10kΩ pull-down resistor from Input pin (Pin 2) to ground\u003c\/li\u003e\n\u003cli\u003eInstall a push button between 5V and the Input pin\u003c\/li\u003e\n\u003cli\u003eConnect the Output Enable pin (Pin 1) to 5V\u003c\/li\u003e\n\u003cli\u003eConnect an LED and 330Ω resistor from Output pin (Pin 3) to ground\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"operation-guide\"\u003e\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003cp\u003eWhen you press the button:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eInput pin receives 5V (HIGH)\u003c\/li\u003e\n\u003cli\u003eBuffer activates (Output Enable is HIGH)\u003c\/li\u003e\n\u003cli\u003eOutput follows input, lighting the LED\u003c\/li\u003e\n\u003cli\u003eReleasing the button returns output to LOW\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"applications\"\u003e\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003ch4\u003e1. Level Translation\u003c\/h4\u003e\n\u003cp\u003ePerfect for connecting 5V devices to 3.3V systems\u003c\/p\u003e\n\u003ch4\u003e2. Fan-out Expansion\u003c\/h4\u003e\n\u003cp\u003eDrive multiple devices from a single source\u003c\/p\u003e\n\u003ch4\u003e3. Bus Buffering\u003c\/h4\u003e\n\u003cp\u003eIsolate and protect sensitive circuits\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"troubleshooting\"\u003e\n\u003ch3\u003eTroubleshooting Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAlways use bypass capacitors for stable operation\u003c\/li\u003e\n\u003cli\u003eKeep voltage below 6V maximum\u003c\/li\u003e\n\u003cli\u003eCheck Output Enable pins if output isn't working\u003c\/li\u003e\n\u003cli\u003eVerify all power and ground connections\u003c\/li\u003e\n\u003cli\u003eConsider using pull-up\/down resistors for long connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"technical-specs\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOperating Voltage: 2V to 6V\u003c\/li\u003e\n\u003cli\u003eOptimized for 5V operation\u003c\/li\u003e\n\u003cli\u003eFour independent non-inverting buffers\u003c\/li\u003e\n\u003cli\u003eIndividual output enable controls\u003c\/li\u003e\n\u003cli\u003eCompatible with both CMOS and TTL devices\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"BuildYourCNC","offers":[{"title":"Quad Buffer Line Driver (Through Hole)","offer_id":45875871449262,"sku":"730","price":0.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/7516\/3822\/files\/Screenshot2024-12-29182609.png?v=1735514788","url":"https:\/\/buildyourcnc.com\/en-eu\/products\/newbiehack-integrated_circuits-buffer-quad-buffer-line-driver-throughhole","provider":"BuildYourCNC","version":"1.0","type":"link"}