{"product_id":"cd74fct646m","title":"CD74FCT646M","description":"\u003cp\u003eThe CD74FCT646M from Harris Corporation is a non-inverting octal bus transceiver in the 74FCT family. It operates from 4.75V to 5.25V, with 3-State outputs and 15mA source\/64mA sink current capability. The 1-channel design supports bidirectional data flow in 8-bit systems. Packaged in a 24-SOIC, it is suitable for bus interfacing, memory control, and industrial applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Sink Current (64mA):\u003c\/strong\u003e Drives heavy loads and multiple fan-outs, ensuring reliable bus operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBidirectional Operation:\u003c\/strong\u003e Reduces component count by combining two buffers into one transceiver.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-State Outputs:\u003c\/strong\u003e Prevents bus contention in multi-device systems, improving reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e74FCT High-Speed Family:\u003c\/strong\u003e Offers faster propagation delays compared to older 74LS\/74ALS families.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBus Transceiver for 5V Systems\u003c\/h3\u003e\u003cp\u003eUse the CD74FCT646M to interface between two 5V buses. The 64mA sink current ensures robust signal drive for long traces.\u003c\/p\u003e\u003ch3\u003eMemory Read\/Write Buffering\u003c\/h3\u003e\u003cp\u003eConnect a CPU to memory devices. The transceiver direction control simplifies read\/write operations, reducing external logic.\u003c\/p\u003e\u003ch3\u003ePeripheral Device Interfacing\u003c\/h3\u003e\u003cp\u003eBuffer signals to printers, displays, or other peripherals. The 3-State outputs allow the CPU to disconnect from the peripheral when not in use.\u003c\/p\u003e\u003ch3\u003eIndustrial Control Systems\u003c\/h3\u003e\u003cp\u003eInterface PLCs with sensors and actuators. The high sink current can drive optocouplers or small relays directly.\u003c\/p\u003e\u003ch3\u003eTest and Measurement Equipment\u003c\/h3\u003e\u003cp\u003eRoute signals between test instruments and DUTs. The fast propagation delay of the 74FCT family preserves signal timing.\u003c\/p\u003e\u003ch3\u003eLegacy System Upgrades\u003c\/h3\u003e\u003cp\u003eReplace older 74LS or 74ALS transceivers with the CD74FCT646M for improved speed and lower power consumption.\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\u003eHarris Corporation\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProduct Series\u003c\/td\u003e \t\u003ctd\u003e\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\u003eTransceiver, Non-Inverting\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eNumber of Elements\u003c\/td\u003e \t\u003ctd\u003e1\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eNumber of Bits per Element\u003c\/td\u003e \t\u003ctd\u003e8\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\u003e15mA, 64mA\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Supply\u003c\/td\u003e \t\u003ctd\u003e4.75V ~ 5.25V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eOperating Temperature\u003c\/td\u003e \t\u003ctd\u003e0°C ~ 70°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\u003e24-SOIC (0.295\", 7.50mm Width)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003e24-SOIC (0.295\", 7.50mm Width)\u003c\/td\u003e \u003c\/tr\u003e  \u003c\/tbody\u003e\n\u003c\/table\u003e\u003cdl\u003e\n\u003cdt\u003eQ: What is the logic family of the CD74FCT646M?\u003c\/dt\u003e\n\u003cdd\u003eA: It is from the 74FCT logic family, offering high-speed performance.\u003c\/dd\u003e\n\u003cdt\u003eQ: What function does this IC perform?\u003c\/dt\u003e\n\u003cdd\u003eA: It is a non-inverting transceiver with 1 channel, enabling bidirectional data transfer.\u003c\/dd\u003e\n\u003cdt\u003eQ: What type of output does it have?\u003c\/dt\u003e\n\u003cdd\u003eA: It features 3-State outputs for bus isolation.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the voltage range?\u003c\/dt\u003e\n\u003cdd\u003eA: It operates from 4.75V to 5.25V, compatible with 5V systems.\u003c\/dd\u003e\n\u003cdt\u003eQ: What are the current ratings?\u003c\/dt\u003e\n\u003cdd\u003eA: It can source 15mA and sink 64mA, providing strong drive capability.\u003c\/dd\u003e\n\u003cdt\u003eQ: What package is it available in?\u003c\/dt\u003e\n\u003cdd\u003eA: It comes in a 24-SOIC (0.295\", 7.50mm Width) package.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Harris Corporation","offers":[{"title":"Default Title","offer_id":53666138849569,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/hqickey.com\/products\/cd74fct646m","provider":"HQICKEY","version":"1.0","type":"link"}