{"product_id":"74hc138-3-to-8-line-decoder-demultiplexer-ic","title":"74HC138 - 3-to-8 line Decoder\/Demultiplexer IC","description":"\u003cmeta name=\"description\" content=\"Buy 74HC138 3to8 line DecoderDemultiplexer IC online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\u003ch1\u003e74HC138 - 3-to-8 Line Decoder\/Demultiplexer IC\u003c\/h1\u003e\n\n\u003cp\u003eQuality electronics from The Engineer Store, Bengaluru. Fast shipping, 7-day warranty on manufacturing defects, expert support.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e74HC138\u003c\/strong\u003e is a high-speed CMOS 3-to-8 line decoder\/demultiplexer IC, ideal for digital logic applications. It converts 3 binary input lines into 8 active-low outputs, making it essential for address decoding, data routing, and multiplexing applications in microcontroller and embedded systems projects.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eParameter\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital Logic IC - Decoder\/Demultiplexer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Lines\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 (A, B, C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Lines\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 (Y0-Y7)\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 (74HC Series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2-6V (Typical: 5V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eActive Low\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnable Pins\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 (G1, G2A\/G2B)\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 \/ SMD Available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 degreesC to 70 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupport\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp 24\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eFast Decoding\u003c\/strong\u003e - Rapid address decoding for microprocessors\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLow Power Consumption\u003c\/strong\u003e - CMOS technology for energy efficiency\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWide Supply Range\u003c\/strong\u003e - Works from 2V to 6V\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMultiple Enable Options\u003c\/strong\u003e - Flexible control with 3 enable inputs\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTTL Compatible\u003c\/strong\u003e - Works seamlessly with TTL logic circuits\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReliable Performance\u003c\/strong\u003e - Tested and verified from authorized sources\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose This Product?\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Authentic\u003c\/strong\u003e - Sourced from trusted, authorized distributors with verification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Shipping\u003c\/strong\u003e - 1-5 day shipping, 7-8 day delivery from Bengaluru warehouse\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Full technical assistance via email \u0026amp; WhatsApp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompetitive Pricing\u003c\/strong\u003e - Best rates with bulk discounts available\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality Assured\u003c\/strong\u003e - Tested components with manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePin Configuration\u003c\/h2\u003e\n\n```\n\u003cp\u003ePin 1-3: Address Inputs (A, B, C)\u003c\/p\u003e\n\u003cp\u003ePin 4-5: Enable Inputs (G2A, G2B)\u003c\/p\u003e\nPin 6: Enable Input (G1)\nPin 7: GND (Ground)\nPin 8-15: Outputs (Y0-Y7)\nPin 16: VCC (+5V)\n```\n\n\u003ch2\u003eApplications \u0026amp; Project Ideas\u003c\/h2\u003e\n\n\u003ch3\u003eDIY Electronics \u0026amp; Hobbyist Projects\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLED multiplexing and control circuits\u003c\/li\u003e\n\u003cli\u003eDigital display drivers\u003c\/li\u003e\n\u003cli\u003eMicrocontroller expansion projects\u003c\/li\u003e\n\u003cli\u003eLogic circuit experimentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProfessional \u0026amp; Industrial Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAddress decoding in microprocessor systems\u003c\/li\u003e\n\u003cli\u003eData routing and switching circuits\u003c\/li\u003e\n\u003cli\u003eIndustrial automation control\u003c\/li\u003e\n\u003cli\u003eMemory selection circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEducational \u0026amp; Learning\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDigital logic courses and labs\u003c\/li\u003e\n\u003cli\u003eEmbedded systems training\u003c\/li\u003e\n\u003cli\u003eElectronics skill development\u003c\/li\u003e\n\u003cli\u003eFPGA and microcontroller interfacing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTypical Circuit Applications\u003c\/h2\u003e\n\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eAddress Decoder\u003c\/strong\u003e - Select one of 8 memory locations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Demultiplexer\u003c\/strong\u003e - Route single input to 8 outputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Controller\u003c\/strong\u003e - Control up to 8 LEDs independently\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Driver\u003c\/strong\u003e - Activate different relays based on input\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDevice Selector\u003c\/strong\u003e - Choose between multiple peripherals\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eIn the Box:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1x 74HC138 IC (DIP-16 or SMD variant)\u003c\/li\u003e\n\u003cli\u003eProduct datasheet \u0026amp; pinout diagram\u003c\/li\u003e\n\u003cli\u003eTechnical documentation\u003c\/li\u003e\n\u003cli\u003eQuick start guide\u003c\/li\u003e\n\u003cli\u003eSupport contact information\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications (Detailed)\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eValue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePropagation Delay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~20ns (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+\/-20mA (per pin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2V to 6V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStatic Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;1uA (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 40MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNoise Immunity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCMOS level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eIs this 74HC138 100% authentic?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes, absolutely! We source all components from authorized distributors and conduct authentication verification. Each batch is tested for quality assurance.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat warranty does it come with?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e7-day warranty on manufacturing defects covering all manufacturing defects. If the IC fails within this period, we offer free replacement or full refund.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eHow fast is the shipping?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eStandard shipping is 7-8 days to most locations in India from our Bengaluru warehouse. Express delivery options available for urgent orders.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eDo you provide technical support?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes! Our expert team provides 24\/7 support via email and WhatsApp. We help with circuit design, troubleshooting, and application guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat's your return and replacement policy?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e7-day return window on defective items with full refund or replacement. applicable on manufacturing defects only if the product is faulty.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eAre bulk discounts available?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes! We offer wholesale pricing on orders of 10+ units. Contact our sales team for custom quotes and volume discounts.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eCan I use this with Arduino or Raspberry Pi?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eAbsolutely! The\u003c\/p\u003e\u003c\/details\u003e\n\u003ch2\u003eBuy 74HC138 - 3-to-8 line Decoder\/Demultiplexer IC Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003e74HC138 - 3-to-8 line Decoder\/Demultiplexer IC\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\u003c\/a\u003e - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003e74HC138 - 3-to-8 line Decoder\/Demultiplexer IC\u003c\/strong\u003e with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.\u003c\/p\u003e\n\u003cp\u003eLooking to buy \u003cstrong\u003e74HC138 - 3-to-8 line Decoder\/Demultiplexer IC\u003c\/strong\u003e at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":43773968548003,"sku":"TES-EV103201","price":14.84,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/8pin_3439dbfb-cdff-4941-8fab-8b9d2b33e9aa.jpg?v=1701075591","url":"https:\/\/www.theengineerstore.in\/te\/products\/74hc138-3-to-8-line-decoder-demultiplexer-ic","provider":"The Engineer Store","version":"1.0","type":"link"}