{"product_id":"74vhct244am","title":"74VHCT244AM","description":"\u003cp\u003eThe 74VHCT244AM is a dual-channel non-inverting buffer from Fairchild Semiconductor, designed for high-speed 5V logic systems. Operating from 4.5V to 5.5V, it delivers 8mA output current per channel with 3-State outputs for bus-oriented applications. Its TTL-compatible inputs allow seamless interfacing with 3.3V logic. Housed in a 20-SOIC package, this buffer is ideal for memory address driving, signal conditioning, and general-purpose buffering in industrial and consumer electronics.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTTL-Compatible Inputs: Simplifies interfacing with 3.3V logic while operating at 5V, reducing level-shifting circuitry.\u003c\/li\u003e\n\u003cli\u003e3-State Outputs: Enables bus sharing and multiplexing without external isolation components.\u003c\/li\u003e\n\u003cli\u003eHigh-Speed 74VHCT Family: Provides fast propagation delays suitable for high-frequency digital systems.\u003c\/li\u003e\n\u003cli\u003e8mA Output Drive: Capable of driving moderate capacitive loads and multiple fan-outs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e5V Bus Interfacing\u003c\/h3\u003e\u003cp\u003eUse the 74VHCT244AM to buffer address or data lines in 5V microprocessor systems. Its 3-State outputs allow multiple peripherals to share the same bus without contention.\u003c\/p\u003e\u003ch3\u003eSignal Buffering for High-Capacitance Loads\u003c\/h3\u003e\u003cp\u003eWhen driving long PCB traces or multiple IC inputs, the 74VHCT244AM provides the necessary drive strength (8mA) to maintain signal integrity and reduce propagation delays.\u003c\/p\u003e\u003ch3\u003eLevel Shifting from 3.3V to 5V\u003c\/h3\u003e\u003cp\u003eWith TTL-compatible inputs, this buffer can accept 3.3V logic signals and output clean 5V logic levels, enabling mixed-voltage system design.\u003c\/p\u003e\u003ch3\u003eDriving LED Arrays\u003c\/h3\u003e\u003cp\u003eEach output can sink 8mA, sufficient to drive standard LEDs with current-limiting resistors, making it useful for indicator light control in industrial panels.\u003c\/p\u003e\u003ch3\u003eMemory Address Buffering\u003c\/h3\u003e\u003cp\u003eIn memory subsystems, the 74VHCT244AM isolates the memory array from the CPU, preventing loading effects and ensuring reliable read\/write operations.\u003c\/p\u003e\u003ch3\u003eTest Equipment and Instrumentation\u003c\/h3\u003e\u003cp\u003eUse it to buffer measurement signals in bench instruments, where 3-State outputs enable multiplexing of multiple test points to a single ADC input.\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\u003eFairchild Semiconductor\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProduct Series\u003c\/td\u003e \t\u003ctd\u003e74VHCT\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\u003e2\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eNumber of Bits per Element\u003c\/td\u003e \t\u003ctd\u003e4\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\u003e8mA, 8mA\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Supply\u003c\/td\u003e \t\u003ctd\u003e4.5V ~ 5.5V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eOperating Temperature\u003c\/td\u003e \t\u003ctd\u003e-40°C ~ 85°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\u003e20-SOIC (0.295\", 7.50mm Width)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003e20-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 logic family does the 74VHCT244AM belong to?\u003c\/dt\u003e\n\u003cdd\u003eA: It belongs to the 74VHCT family, which is a high-speed CMOS logic family with TTL-compatible inputs.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the function of this IC?\u003c\/dt\u003e\n\u003cdd\u003eA: It is a non-inverting buffer with 2 channels, designed to strengthen signals for driving heavier loads.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the output type?\u003c\/dt\u003e\n\u003cdd\u003eA: The outputs are 3-State, allowing connection to shared buses with high-impedance control.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the operating voltage range?\u003c\/dt\u003e\n\u003cdd\u003eA: It operates from 4.5V to 5.5V, making it suitable for standard 5V systems.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the package type?\u003c\/dt\u003e\n\u003cdd\u003eA: It comes in a 20-SOIC package with a width of 7.50mm.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the output current capability?\u003c\/dt\u003e\n\u003cdd\u003eA: It can source and sink 8mA of current per output.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Fairchild Semiconductor","offers":[{"title":"Default Title","offer_id":53666114470177,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/hqickey.com\/products\/74vhct244am","provider":"HQICKEY","version":"1.0","type":"link"}