{"product_id":"74fct543asc","title":"74FCT543ASC","description":"\u003cp\u003eThe 74FCT543ASC is a single-channel, non-inverting transceiver from National Semiconductor. It operates from a 4.75V to 5.25V supply and features 3-State outputs with 15mA source and 64mA sink capability. Housed in a 24-CDIP package, it is designed for high-drive bus interfacing in 5V TTL systems, offering excellent signal integrity for demanding applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh 64mA Sink Current: Provides excellent drive strength for heavily loaded buses and long traces.\u003c\/li\u003e\n\u003cli\u003eTTL-Compatible Inputs: Ensures seamless integration with existing 5V TTL logic designs.\u003c\/li\u003e\n\u003cli\u003e3-State Outputs: Allows for bus sharing and multiplexing in complex systems.\u003c\/li\u003e\n\u003cli\u003eNon-Inverting Function: Preserves signal polarity, simplifying logic design.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHigh-Drive Bus Transceiver\u003c\/h3\u003e\u003cp\u003eWith 64mA sink capability, the 74FCT543ASC can drive long bus lines and multiple loads, making it suitable for backplane applications in servers and workstations.\u003c\/p\u003e\u003ch3\u003e5V TTL-Compatible Interfacing\u003c\/h3\u003e\u003cp\u003eIts 4.75V-5.25V supply range and TTL-compatible inputs make it a drop-in solution for interfacing with legacy 5V TTL logic.\u003c\/p\u003e\u003ch3\u003eBidirectional Data Buffering\u003c\/h3\u003e\u003cp\u003eIn microprocessor systems, it can buffer the data bus between the CPU and memory or I\/O devices, ensuring signal integrity.\u003c\/p\u003e\u003ch3\u003e3-State Bus Isolation\u003c\/h3\u003e\u003cp\u003eThe 3-State outputs allow the transceiver to be disconnected from the bus, enabling multiple devices to share the same data lines.\u003c\/p\u003e\u003ch3\u003eIndustrial Control Systems\u003c\/h3\u003e\u003cp\u003eIn industrial controllers, this transceiver can buffer signals to and from field devices, providing robust communication in harsh environments.\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\u003eNational Semiconductor\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProduct Series\u003c\/td\u003e \t\u003ctd\u003e74FCT\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\u003eThrough Hole\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e24-CDIP\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003e24-CDIP\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 74FCT543ASC?\u003c\/dt\u003e\n\u003cdd\u003eA: It belongs to the 74FCT (Fast CMOS TTL-compatible) family, offering high speed with low power consumption.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the function of this IC?\u003c\/dt\u003e\n\u003cdd\u003eA: It is a single-channel, non-inverting transceiver for bidirectional data transfer between two buses.\u003c\/dd\u003e\n\u003cdt\u003eQ: What type of output does it have?\u003c\/dt\u003e\n\u003cdd\u003eA: It features 3-State outputs, allowing the device to be placed in a high-impedance state for bus sharing.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the operating voltage range?\u003c\/dt\u003e\n\u003cdd\u003eA: The recommended supply voltage is 4.75V to 5.25V, making it ideal for standard 5V TTL systems.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the package type?\u003c\/dt\u003e\n\u003cdd\u003eA: It is available in a 24-CDIP (Ceramic Dual In-line Package) for through-hole mounting.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the output current capability?\u003c\/dt\u003e\n\u003cdd\u003eA: It can source 15mA and sink 64mA, providing strong drive for bus lines.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"National Semiconductor","offers":[{"title":"Default Title","offer_id":53666142421281,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/hqickey.com\/products\/74fct543asc","provider":"HQICKEY","version":"1.0","type":"link"}