{"product_id":"snj54as240aj","title":"SNJ54AS240AJ","description":"\u003cp\u003eThe SNJ54AS240AJ is a high-speed dual inverting buffer from Texas Instruments, part of the 54AS logic family. It features two independent channels with 3-State outputs, capable of sinking 48mA and sourcing 12mA. Operating from a 4.5V to 5.5V supply, it is designed for 5V TTL systems requiring robust bus isolation. The ceramic 20-CDIP package supports -55°C to 125°C operation, making it suitable for military and industrial environments. Typical applications include memory buffering, bus driving, and signal inversion in high-reliability systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh Output Drive (48mA Sink): Drives heavy capacitive loads and long bus lines without signal degradation.\u003c\/li\u003e\n\u003cli\u003e3-State Outputs: Enables multiple devices to share a common bus safely, preventing data corruption.\u003c\/li\u003e\n\u003cli\u003eWide Temperature Range (-55°C to 125°C): Reliable operation in extreme military and aerospace environments.\u003c\/li\u003e\n\u003cli\u003eCeramic CDIP Package: Provides superior thermal and mechanical stability compared to plastic packages.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHigh-Speed Bus Interfacing\u003c\/h3\u003e\u003cp\u003eThe inverting buffer with 3-State outputs is ideal for isolating and driving high-speed data buses in mainframe and telecom systems, ensuring signal integrity at 5V TTL levels.\u003c\/p\u003e\u003ch3\u003eMemory Address Buffering\u003c\/h3\u003e\u003cp\u003eUse the SNJ54AS240AJ to buffer address lines between a CPU and SRAM\/DRAM arrays. The 48mA sink current handles capacitive loads, reducing propagation delays in critical paths.\u003c\/p\u003e\u003ch3\u003eMilitary \u0026amp; Aerospace Signal Conditioning\u003c\/h3\u003e\u003cp\u003eWith a -55°C to 125°C temperature range and ceramic CDIP package, this IC is suited for avionics and defense electronics requiring rugged, high-reliability signal buffering.\u003c\/p\u003e\u003ch3\u003eIndustrial Control Logic Inversion\u003c\/h3\u003e\u003cp\u003eIn PLC and motor control units, the inverting function simplifies logic design when active-low signals are needed, while 3-State outputs allow multiplexing of sensor inputs.\u003c\/p\u003e\u003ch3\u003eTest Equipment Channel Isolation\u003c\/h3\u003e\u003cp\u003eIn automated test equipment, the 3-State feature enables multiple instruments to share a common bus without contention, with the 12mA source capability driving logic analyzers.\u003c\/p\u003e\u003ch3\u003eRedundant System Switching\u003c\/h3\u003e\u003cp\u003eFor fault-tolerant systems, the 3-State outputs allow seamless switching between redundant controller boards, preventing bus conflicts during hot-swap operations.\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\u003eTexas Instruments\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProduct Series\u003c\/td\u003e \t\u003ctd\u003e54AS\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, 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\u003e12mA, 48mA\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-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\u003eThrough Hole\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e20-CDIP (0.300\", 7.62mm)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003e20-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 SNJ54AS240AJ?\u003c\/dt\u003e\n\u003cdd\u003eA: It belongs to the 54AS logic family, designed for high-speed bipolar applications.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the function of this IC?\u003c\/dt\u003e\n\u003cdd\u003eA: It is a dual inverting buffer with 3-State outputs, ideal for bus-oriented systems.\u003c\/dd\u003e\n\u003cdt\u003eQ: How many channels does it have?\u003c\/dt\u003e\n\u003cdd\u003eA: It contains 2 independent buffer channels, each with a 3-State output.\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 logic systems.\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 package is available?\u003c\/dt\u003e\n\u003cdd\u003eA: It comes in a 20-CDIP (0.300\", 7.62mm) ceramic dual-inline package.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Texas Instruments","offers":[{"title":"Default Title","offer_id":53666160738593,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/hqickey.com\/fr\/products\/snj54as240aj","provider":"HQICKEY","version":"1.0","type":"link"}