{"product_id":"cd74fct640tm","title":"CD74FCT640TM","description":"\u003cp\u003eThe CD74FCT640TM is a high-speed, non-inverting octal bus transceiver from Harris Corporation. Designed for 5V systems, it features 3-state outputs and can source 15mA or sink 64mA, making it suitable for driving demanding bus loads. Its single-channel, 8-bit architecture is ideal for bidirectional data flow in microprocessor and memory systems. The 20-SOIC package is compact for space-constrained PCBs, and the wide operating temperature range ensures reliability in industrial environments.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Drive Capability:\u003c\/strong\u003e Sinks up to 64mA, enabling direct connection to high-capacitance buses without additional buffers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-State Outputs:\u003c\/strong\u003e Allows multiple devices to share the same data lines safely, preventing bus conflicts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Temperature Range:\u003c\/strong\u003e Operates from -40°C to 85°C, suitable for harsh industrial environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-Inverting Logic:\u003c\/strong\u003e Simplifies design by preserving signal polarity, reducing debugging time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBus Interface for Microprocessors\u003c\/h3\u003e\u003cp\u003eUse the CD74FCT640TM to create a bidirectional interface between a microprocessor data bus and memory or peripheral devices. The 3-state outputs prevent bus contention when multiple devices share the same lines.\u003c\/p\u003e\u003ch3\u003eSignal Buffering for High-Capacitance Loads\u003c\/h3\u003e\u003cp\u003eThis transceiver can drive heavy capacitive loads (up to 64mA sink current) without signal degradation, making it ideal for buffering address or data lines in large systems.\u003c\/p\u003e\u003ch3\u003eLevel Shifting in Mixed-Voltage Systems\u003c\/h3\u003e\u003cp\u003eWhile designed for 5V operation, the high-impedance inputs and robust outputs allow it to interface with 3.3V logic when pull-up resistors are used, enabling simple level adaptation.\u003c\/p\u003e\u003ch3\u003eData Acquisition Systems\u003c\/h3\u003e\u003cp\u003eIn industrial data acquisition, this IC can route analog-to-digital converter outputs to a processing unit, ensuring clean, buffered data transfer over longer PCB traces.\u003c\/p\u003e\u003ch3\u003eTelecommunications Switching\u003c\/h3\u003e\u003cp\u003eUse it in telecom line cards to switch and buffer control signals between backplane and line interface modules, benefiting from its fast propagation delay and 3-state isolation.\u003c\/p\u003e\u003ch3\u003eTest and Measurement Equipment\u003c\/h3\u003e\u003cp\u003eIn automated test equipment, the transceiver can multiplex test signals to different measurement points, providing reliable signal integrity across a wide temperature range (-40°C to 85°C).\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\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 (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 CD74FCT640TM?\u003c\/dt\u003e\n\u003cdd\u003eA: This device belongs to the CD74FCT family, a high-speed CMOS logic series.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the function of this IC?\u003c\/dt\u003e\n\u003cdd\u003eA: It is a non-inverting octal bus transceiver with 3-state outputs.\u003c\/dd\u003e\n\u003cdt\u003eQ: How many channels does it have?\u003c\/dt\u003e\n\u003cdd\u003eA: It has 1 channel (8-bit bus width).\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the output type?\u003c\/dt\u003e\n\u003cdd\u003eA: The outputs are 3-State, allowing for bus-oriented applications.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the operating voltage range?\u003c\/dt\u003e\n\u003cdd\u003eA: It operates from 4.75V to 5.25V.\u003c\/dd\u003e\n\u003cdt\u003eQ: What package is available?\u003c\/dt\u003e\n\u003cdd\u003eA: It comes in a 20-SOIC package (0.295\", 7.50mm Width).\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Harris Corporation","offers":[{"title":"Default Title","offer_id":53666108145953,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/hqickey.com\/products\/cd74fct640tm","provider":"HQICKEY","version":"1.0","type":"link"}