{"product_id":"mc74hc126afr2","title":"MC74HC126AFR2","description":"\u003cp\u003eThe MC74HC126AFR2 from onsemi is a high-speed CMOS quad buffer featuring non-inverting outputs with 3-State capability. Operating from 2V to 6V, it provides 7.8mA output current per channel, making it ideal for bus-oriented systems. The 14-pin SOIC package is suitable for space-constrained designs. Typical applications include memory address buffering, I\/O expansion, and signal conditioning in industrial and automotive electronics.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide 2V to 6V Supply Range:\u003c\/strong\u003e Compatible with both 3.3V and 5V systems, simplifying mixed-voltage design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-State Outputs:\u003c\/strong\u003e Enables bus multiplexing and reduces power consumption when outputs are disabled.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Temperature Operation (-55°C to 125°C):\u003c\/strong\u003e Suitable for automotive and industrial environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7.8mA Drive Capability:\u003c\/strong\u003e Provides sufficient current for driving capacitive loads and long traces.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eMicrocontroller I\/O Expansion\u003c\/h3\u003e\u003cp\u003eUse the MC74HC126AFR2 to buffer and isolate microcontroller I\/O pins. The 3-State outputs allow multiple peripherals to share a single data bus without contention, controlled by individual enable signals.\u003c\/p\u003e\u003ch3\u003eBus Line Driving\u003c\/h3\u003e\u003cp\u003eWith its 7.8mA source and sink capability, this buffer can drive long PCB traces and capacitive loads in digital systems, ensuring signal integrity across backplanes and inter-board connections.\u003c\/p\u003e\u003ch3\u003eLevel Shifting for Mixed-Voltage Systems\u003c\/h3\u003e\u003cp\u003eOperating from 2V to 6V, it can interface between 3.3V and 5V logic domains. The non-inverting buffer preserves logic polarity while providing necessary drive strength.\u003c\/p\u003e\u003ch3\u003eMemory Address Buffering\u003c\/h3\u003e\u003cp\u003eIn memory systems, the 4-channel buffer can fan out address signals to multiple memory banks. The 3-State outputs enable easy bank selection and bus isolation during read\/write cycles.\u003c\/p\u003e\u003ch3\u003eIndustrial Sensor Interfacing\u003c\/h3\u003e\u003cp\u003eIn industrial controls, this buffer conditions signals from sensors and encoders. Its wide temperature range (-55°C to 125°C) ensures reliable operation in harsh environments.\u003c\/p\u003e\u003ch3\u003eTest Equipment Signal Routing\u003c\/h3\u003e\u003cp\u003eUse the 3-State outputs to route test signals in automated test equipment. Individual channel enables allow dynamic reconfiguration of signal paths without external switching components.\u003c\/p\u003e\u003ctable\u003e\n\u003ccolgroup\u003e\u003ccol\u003e\u003c\/colgroup\u003e \u003ctbody\u003e \u003ctr\u003e \t\u003ctd\u003eProduct attributes\u003c\/td\u003e \t\u003ctd\u003eProperty Value\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eManufacturer\u003c\/td\u003e \t\u003ctd\u003eonsemi\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProduct Series\u003c\/td\u003e \t\u003ctd\u003e74HC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackaging\u003c\/td\u003e \t\u003ctd\u003eBulk | \u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePart Status\u003c\/td\u003e \t\u003ctd\u003eActive\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eLogic Type\u003c\/td\u003e \t\u003ctd\u003eBuffer, Non-Inverting\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eNumber of Elements\u003c\/td\u003e \t\u003ctd\u003e4\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eNumber of Bits per Element\u003c\/td\u003e \t\u003ctd\u003e1\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eInput Type\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eOutput Type\u003c\/td\u003e \t\u003ctd\u003e3-State\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eCurrent - Output High, Low\u003c\/td\u003e \t\u003ctd\u003e7.8mA, 7.8mA\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Supply\u003c\/td\u003e \t\u003ctd\u003e2V ~ 6V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eOperating Temperature\u003c\/td\u003e \t\u003ctd\u003e-55°C ~ 125°C (TA)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eGrade\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eQualification\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eMounting Type\u003c\/td\u003e \t\u003ctd\u003eSurface Mount\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e14-SOIC (0.209\", 5.30mm Width)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003e14-SOIC\u003c\/td\u003e \u003c\/tr\u003e  \u003ctr\u003e   \u003ctd\u003eROHS\u003c\/td\u003e   \u003ctd\u003e\u003cimg class=\"ROSHICON\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/ROHSICON.png?v=1757832376\"\u003e\u003c\/td\u003e  \u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cdl\u003e\n\u003cdt\u003eQ: What is the logic family of the MC74HC126AFR2?\u003c\/dt\u003e\n\u003cdd\u003eA: It belongs to the 74HC (High-Speed CMOS) logic family.\u003c\/dd\u003e\n\u003cdt\u003eQ: What function does this IC perform?\u003c\/dt\u003e\n\u003cdd\u003eA: It is a quad (4-channel) non-inverting buffer with 3-State outputs.\u003c\/dd\u003e\n\u003cdt\u003eQ: How many channels does it have?\u003c\/dt\u003e\n\u003cdd\u003eA: It has 4 independent buffer channels.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the output type?\u003c\/dt\u003e\n\u003cdd\u003eA: The outputs are 3-State, allowing for connection to shared buses.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the operating voltage range?\u003c\/dt\u003e\n\u003cdd\u003eA: It operates from 2V to 6V, making it compatible with TTL and CMOS logic levels.\u003c\/dd\u003e\n\u003cdt\u003eQ: What package is available?\u003c\/dt\u003e\n\u003cdd\u003eA: It is offered in a 14-pin SOIC package (5.30mm width).\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"onsemi","offers":[{"title":"Default Title","offer_id":53665854423329,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/hqickey.com\/fr\/products\/mc74hc126afr2","provider":"HQICKEY","version":"1.0","type":"link"}