{"product_id":"dual-4-input-and-gate-ic-74hc21","title":"Dual 4-input AND Gate IC - 74HC21","description":"\u003cmeta name=\"description\" content=\"Buy Dual 4input AND Gate IC 74HC21 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\u003eDual 4-input AND Gate IC - 74HC21\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\u003e74HC21\u003c\/strong\u003e is a dual 4-input AND gate integrated circuit from the HC (High-Speed CMOS) logic family. This versatile digital logic component is essential for building combinational logic circuits, signal processing applications, and digital control systems. Each IC contains two independent 4-input AND gates, making it ideal for complex logic designs where multiple input conditions must all be true simultaneously.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical 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\u003eIC Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual 4-input AND Gate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLogic Family\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHC (High-Speed CMOS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePin Count\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14 DIP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2V to 6V\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\u003ePropagation Delay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~8ns (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Drive\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+\/-4mA (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLogic Levels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTTL Compatible\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\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e \u003cstrong\u003eDual Configuration\u003c\/strong\u003e - Two independent 4-input AND gates in one package\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eHigh-Speed CMOS\u003c\/strong\u003e - Low power consumption with fast switching speeds\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eWide Supply Range\u003c\/strong\u003e - Operates from 2V to 6V\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eTTL Compatible\u003c\/strong\u003e - Direct interface with TTL logic circuits\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eStandard DIP Package\u003c\/strong\u003e - Easy breadboard and PCB integration\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eReliable Performance\u003c\/strong\u003e - Proven HC logic family technology\u003c\/li\u003e\n\u003c\/ul\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 authorized distributors with authentication 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 to most of India\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert Technical Support\u003c\/strong\u003e - Full guidance via email and WhatsApp (24\/7)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7-day warranty on manufacturing defects\u003c\/strong\u003e - Comprehensive manufacturer coverage for all defects\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompetitive Pricing\u003c\/strong\u003e - Best value for quality digital logic components\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk Discounts\u003c\/strong\u003e - Wholesale pricing available on orders of 10+ units\u003c\/li\u003e\n\u003c\/ul\u003e\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\u003eLogic circuit breadboard experiments\u003c\/li\u003e\n\u003cli\u003eDigital circuit prototyping\u003c\/li\u003e\n\u003cli\u003eArduino and microcontroller interfacing\u003c\/li\u003e\n\u003cli\u003eEducational electronics kits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProfessional \u0026amp; Industrial Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial control systems\u003c\/li\u003e\n\u003cli\u003eAutomation equipment logic circuits\u003c\/li\u003e\n\u003cli\u003eSignal conditioning circuits\u003c\/li\u003e\n\u003cli\u003eDigital measurement systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLearning \u0026amp; Education\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eElectronics student projects\u003c\/li\u003e\n\u003cli\u003eDigital logic course labs\u003c\/li\u003e\n\u003cli\u003eSkill development and training\u003c\/li\u003e\n\u003cli\u003eCircuit design experimentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePin Configuration (14-pin DIP)\u003c\/h2\u003e\n\n\u003cp\u003e```\n\u003c\/p\u003e\u003cp\u003ePin 1: 1A (Input) Pin 14: VCC (Power +)\u003c\/p\u003e\n\u003cp\u003ePin 2: 1B (Input) Pin 13: 2A (Input)\u003c\/p\u003e\n\u003cp\u003ePin 3: 2A (Input) Pin 12: 2B (Input)\u003c\/p\u003e\n\u003cp\u003ePin 4: 2B (Input) Pin 11: 2C (Input)\u003c\/p\u003e\n\u003cp\u003ePin 5: 2C (Input) Pin 10: 2D (Input)\u003c\/p\u003e\n\u003cp\u003ePin 6: 2D (Input) Pin 9: 2Y (Output)\u003c\/p\u003e\n\u003cp\u003ePin 7: GND (Ground) Pin 8: 1Y (Output)\u003c\/p\u003e\n```\n\n\u003ch2\u003eWhat's Included in the Package\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e 1x 74HC21 Dual 4-input AND Gate IC (14-pin DIP)\u003c\/li\u003e\n\u003cli\u003e Datasheet and technical documentation\u003c\/li\u003e\n\u003cli\u003e Quick reference guide\u003c\/li\u003e\n\u003cli\u003e Support contact information\u003c\/li\u003e\n\u003cli\u003e Warranty certificate\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eIs this 74HC21 100% authentic?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes, absolutely. We source all our ICs from authorized distributors and perform authentication verification on every batch. You receive genuine, original components with full manufacturer support.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat is the warranty coverage?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eEach 74HC21 comes with a 7-day warranty on manufacturing defects covering all manufacturing defects. If the component fails due to defects, we'll replace it free of charge or provide a 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\u003eWe offer 1-5 day shipping, 7-8 day delivery from our Bengaluru warehouse to most locations across India. Express shipping options are 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 comprehensive technical support via email and WhatsApp 24\/7. We can help with circuit design, troubleshooting, and application guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat is your return policy?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eWe offer a 7-day return policy on all defective items. Simply contact us with proof of the defect, and we'll process a full refund or replacement immediately.\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 attractive wholesale pricing on orders of 10 or more units. Contact our sales team at sales@engineerstore.in for custom quotes.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eCan I use this IC with Arduino or Raspberry Pi?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes, the 74HC21 works perfectly with Arduino, Raspberry Pi, and other microcontroller platforms. It's TTL compatible and can interface directly with 5V logic systems.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat's the difference between 74HC21 and 74LS21?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe 74HC21 uses CMOS technology (lower power, faster), while the 74LS21 uses TTL technology (higher power consumption). HC is the modern choice for most applications.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eCustomer Support\u003c\/h2\u003e\n\n\u003cp\u003e\u003cem\u003e\u003c\/em\u003eThe Engineer Store,\u003c\/p\u003e\n\u003ch2\u003eBuy Dual 4-input AND Gate IC - 74HC21 Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eDual 4-input AND Gate IC - 74HC21\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\u003eDual 4-input AND Gate IC - 74HC21\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\u003eDual 4-input AND Gate IC - 74HC21\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":43774086119587,"sku":"TES-EV103564","price":11.66,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/7pin_ad6c4008-0438-48eb-899c-61233b1f8776.jpg?v=1701076326","url":"https:\/\/www.theengineerstore.in\/or\/products\/dual-4-input-and-gate-ic-74hc21","provider":"The Engineer Store","version":"1.0","type":"link"}