{"product_id":"sn74ahct245rksr","title":"SN74AHCT245RKSR","description":"\u003cp\u003eThe SN74AHCT245RKSR from Texas Instruments is a high-speed octal bus transceiver from the 74AHCT family. It provides non-inverting bidirectional data transmission with 3-State outputs, enabling efficient bus communication in 5V systems. Operating from 4.5V to 5.5V, it delivers 8mA output current per channel, ensuring robust drive capability. Its 20-VFQFN package is compact for space-limited PCBs. Typical applications include memory buffering, bus interfacing, and peripheral driving in industrial and automotive electronics.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh-Speed 74AHCT Logic: Ensures fast propagation delays, critical for high-performance 5V systems.\u003c\/li\u003e\n\u003cli\u003e3-State Outputs: Allows multiple devices to share a bus safely, preventing data corruption.\u003c\/li\u003e\n\u003cli\u003eWide Temperature Range (-40°C to 125°C): Suitable for harsh automotive and industrial environments.\u003c\/li\u003e\n\u003cli\u003eCompact VFQFN Package: Saves board space while providing excellent thermal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBidirectional Bus Interfacing\u003c\/h3\u003e\u003cp\u003eUse the SN74AHCT245RKSR to interface between two 5V data buses in microprocessor systems. The 3-State outputs and direction control (DIR) allow seamless data flow in both directions without bus contention.\u003c\/p\u003e\u003ch3\u003eMemory Address\/Data Buffering\u003c\/h3\u003e\u003cp\u003eIn memory systems, this transceiver buffers address or data lines, providing high drive current (8mA) to handle capacitive loads from multiple memory chips, improving signal integrity.\u003c\/p\u003e\u003ch3\u003eLevel Shifting in Mixed-Voltage Systems\u003c\/h3\u003e\u003cp\u003eWhile optimized for 5V, the TTL-compatible inputs allow interfacing with 3.3V logic outputs, enabling simple level shifting in mixed-voltage designs without additional components.\u003c\/p\u003e\u003ch3\u003ePeripheral Driver for LEDs and Relays\u003c\/h3\u003e\u003cp\u003eThe 8mA output current can directly drive LEDs or small relays through current-limiting resistors, simplifying control from a microcontroller in industrial or consumer applications.\u003c\/p\u003e\u003ch3\u003eAutomotive ECU Signal Routing\u003c\/h3\u003e\u003cp\u003eWith a wide temperature range (-40°C to 125°C), this transceiver is suitable for automotive electronic control units (ECUs) for routing sensor and actuator signals reliably.\u003c\/p\u003e\u003ch3\u003eHot-Swap and Isolation\u003c\/h3\u003e\u003cp\u003eThe 3-State outputs can be disabled (via OE) to isolate a subsystem during hot-swapping or power sequencing, preventing back-powering and protecting sensitive logic.\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\u003e74AHCT\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackaging\u003c\/td\u003e \t\u003ctd\u003eCut Tape (CT) | Tape \u0026amp; Reel (TR)\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\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 ~ 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\u003eSurface Mount\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e20-VFQFN Exposed Pad\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003e20-VQFN (2.5x4.5)\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 is the logic family of the SN74AHCT245RKSR?\u003c\/dt\u003e\n\u003cdd\u003eA: It belongs to the 74AHCT family, designed for 5V systems 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 an octal bus transceiver with non-inverting data paths, ideal for bidirectional bus communication.\u003c\/dd\u003e\n\u003cdt\u003eQ: How many channels does it have?\u003c\/dt\u003e\n\u003cdd\u003eA: It features 8 channels (1 byte), controlled by direction and output-enable pins.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the output type?\u003c\/dt\u003e\n\u003cdd\u003eA: It has 3-State outputs, allowing connection to shared buses without contention.\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 package is available?\u003c\/dt\u003e\n\u003cdd\u003eA: It comes in a 20-VFQFN exposed pad package, ideal for space-constrained designs.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Texas Instruments","offers":[{"title":"Default Title","offer_id":53665797243169,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/hqickey.com\/de\/products\/sn74ahct245rksr","provider":"HQICKEY","version":"1.0","type":"link"}