{"product_id":"74266-ic-quad-2-input-exclusive-nor-xnor-logic-gate-ic-open-collector-output","title":"74266 IC – Quad 2-Input Exclusive-NOR (XNOR) Logic Gate IC, Open-Collector Output","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong\u003e74266 IC\u003c\/strong\u003e is a digital logic IC containing \u003cstrong\u003efour independent 2-input Exclusive-NOR (XNOR) gates\u003c\/strong\u003e. It is commonly used in digital logic circuits where two input signals need to be compared and the output must become active when both inputs are in the same logic state.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAn XNOR gate produces a logic HIGH condition when its two inputs are equal, making the 74266 useful for \u003cstrong\u003edigital comparison, equality detection, parity checking, control logic, binary matching and educational electronics experiments\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe 74266 belongs to the \u003cstrong\u003e74-series TTL logic family\u003c\/strong\u003e and is typically supplied in a \u003cstrong\u003e14-pin DIP package\u003c\/strong\u003e, making it suitable for breadboards, IC sockets and through-hole PCB designs.\u003c\/p\u003e\n\u003cp\u003eA key feature of the 74266 is its \u003cstrong\u003eopen-collector output configuration\u003c\/strong\u003e. Because of this, an external pull-up resistor is normally required at the output for proper logic operation. Open-collector outputs also make the IC useful in certain wired-logic and interface applications.\u003c\/p\u003e\n\u003cp\u003eIt is suitable for students, hobbyists, technicians and electronics developers working with \u003cstrong\u003edigital logic projects, truth-table experiments, comparator circuits, TTL circuits and embedded electronics interfaces\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuad 2-input \u003cstrong\u003eXNOR logic gates\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFour independent logic gates in one IC\u003c\/li\u003e\n\u003cli\u003eEquality\/comparison logic operation\u003c\/li\u003e\n\u003cli\u003eOpen-collector outputs\u003c\/li\u003e\n\u003cli\u003eTTL 74-series logic family\u003c\/li\u003e\n\u003cli\u003eTypically operates from a 5V supply\u003c\/li\u003e\n\u003cli\u003e14-pin DIP package\u003c\/li\u003e\n\u003cli\u003eSuitable for breadboards and PCBs\u003c\/li\u003e\n\u003cli\u003eUseful for digital logic and educational projects\u003c\/li\u003e\n\u003cli\u003eSupports parity and binary comparison applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e The \u003cstrong\u003e74266 is an XNOR (Exclusive-NOR) IC, not a standard XOR IC\u003c\/strong\u003e. If you require XOR operation, ICs such as 7486 \/ 74LS86 are commonly used.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDigital Logic IC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIC Number\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e74266 \/ 74LS266 equivalent family\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Function\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eExclusive-NOR (XNOR)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Gates\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs per Gate\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Logic Inputs\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eOpen Collector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Family\u003c\/td\u003e\n\u003ctd\u003e74-Series TTL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical Supply Voltage\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e5V DC\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Type\u003c\/td\u003e\n\u003ctd\u003eDIP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Pins\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e14 Pin\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eThrough Hole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Pull-Up\u003c\/td\u003e\n\u003ctd\u003eRequired for open-collector output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eDigital comparison, parity checking, equality detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuitable For\u003c\/td\u003e\n\u003ctd\u003eBreadboard, PCB, digital electronics projects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e1 Piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Exact electrical parameters can vary depending on manufacturer and specific suffix such as 74266, 74LS266 or equivalent. Refer to the exact IC marking and datasheet before using it in critical applications.\u003c\/p\u003e","brand":"MAJESTRONICZ","offers":[{"title":"Default Title","offer_id":48094316691614,"sku":null,"price":35.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/9257\/2574\/files\/7-PACKAGE_66e9aabb-7a8b-4201-941b-53de5014b7fa.avif?v=1786105838","url":"https:\/\/majestronicz.in\/products\/74266-ic-quad-2-input-exclusive-nor-xnor-logic-gate-ic-open-collector-output","provider":"MAJESTRONICZ","version":"1.0","type":"link"}