{"product_id":"mm74hct245mtcx","title":"MM74HCT245MTCX","description":"\u003cp\u003eThe MM74HCT245MTCX is an octal bidirectional transceiver from Fairchild Semiconductor, designed for 5V TTL systems. It features 3-State outputs and TTL-compatible inputs, making it ideal for interfacing legacy logic with modern CMOS. Operating from 4.5V to 5.5V, it is perfect for data bus buffering, level translation, and industrial control applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTTL-Compatible Inputs:\u003c\/strong\u003e Directly interfaces with 5V TTL logic without extra components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBidirectional Operation:\u003c\/strong\u003e Simplifies PCB layout by allowing data flow in both directions with a single IC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-State Outputs:\u003c\/strong\u003e Enables bus sharing and prevents data corruption in multi-master systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide 4.5V to 5.5V Supply:\u003c\/strong\u003e Tolerates 5V supply variations, ensuring reliable operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBidirectional Bus Transceiver\u003c\/h3\u003e\u003cp\u003eConnect two 5V data buses with the MM74HCT245MTCX. The direction pin (DIR) controls data flow, while the output enable (OE) allows bus isolation.\u003c\/p\u003e\u003ch3\u003eTTL-to-CMOS Level Translation\u003c\/h3\u003e\u003cp\u003eSince 74HCT inputs are TTL-compatible, this transceiver can interface legacy TTL logic to CMOS logic running at 5V, ensuring proper logic levels.\u003c\/p\u003e\u003ch3\u003eMicroprocessor Data Bus Buffering\u003c\/h3\u003e\u003cp\u003eUse it to buffer the data bus between a microprocessor and memory or I\/O devices. The 3-State outputs prevent bus contention during read\/write cycles.\u003c\/p\u003e\u003ch3\u003eBackplane Driver for 5V Systems\u003c\/h3\u003e\u003cp\u003eDrive multiple cards on a 5V backplane. The 7.2mA output current is sufficient for short to medium-length traces.\u003c\/p\u003e\u003ch3\u003eIndustrial Control Signal Routing\u003c\/h3\u003e\u003cp\u003eIn factory automation, route control signals between PLCs and sensor modules. The bidirectional nature simplifies wiring.\u003c\/p\u003e\u003ch3\u003eTest Equipment and Instrumentation\u003c\/h3\u003e\u003cp\u003eUse as a signal router in bench test equipment to switch data paths between different measurement modules.\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\u003eFairchild Semiconductor\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProduct Series\u003c\/td\u003e \t\u003ctd\u003e74HCT\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\u003e7.2mA, 7.2mA\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 ~ 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-TSSOP (0.173\", 4.40mm Width)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003e20-TSSOP\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 MM74HCT245MTCX?\u003c\/dt\u003e\n\u003cdd\u003eA: It is from the 74HCT family, which is TTL-compatible and operates at 5V.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the function of this IC?\u003c\/dt\u003e\n\u003cdd\u003eA: It is an octal (8-bit) non-inverting 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 8 bidirectional channels (1 bus).\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the output type?\u003c\/dt\u003e\n\u003cdd\u003eA: It features 3-State outputs for bidirectional bus communication.\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 ideal for 5V TTL systems.\u003c\/dd\u003e\n\u003cdt\u003eQ: What package is it available in?\u003c\/dt\u003e\n\u003cdd\u003eA: It comes in a 20-pin TSSOP package (0.173\" width).\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Fairchild Semiconductor","offers":[{"title":"Default Title","offer_id":53666183971105,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/hqickey.com\/de\/products\/mm74hct245mtcx","provider":"HQICKEY","version":"1.0","type":"link"}