{"product_id":"mc74f646dw","title":"MC74F646DW","description":"\u003cp\u003eThe MC74F646DW from onsemi is a high-speed non-inverting transceiver designed for 5V systems. Operating from 4.5V to 5.5V, it provides 3-State outputs with 15mA source and 64mA sink current capability. This single-channel (8-bit) device is ideal for bidirectional bus interfacing, memory buffering, and peripheral driving in telecommunications, industrial control, and test equipment. The 24-SOIC package offers a compact solution for space-constrained PCBs.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh 64mA Sink Current: Drives heavy capacitive loads on long buses, improving signal integrity.\u003c\/li\u003e\n\u003cli\u003e3-State Outputs: Enables safe bus sharing without contention, simplifying multi-device designs.\u003c\/li\u003e\n\u003cli\u003e74F High-Speed Logic: Supports fast data rates up to 100MHz, ideal for performance-critical systems.\u003c\/li\u003e\n\u003cli\u003eWide 4.5V-5.5V Supply: Compatible with standard 5V TTL logic, reducing power supply complexity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBidirectional Bus Interfacing\u003c\/h3\u003e\u003cp\u003eUse the MC74F646DW to connect two 5V data buses in microprocessor systems. The 3-State outputs prevent bus contention when multiple devices share the same lines.\u003c\/p\u003e\u003ch3\u003eMemory Address Buffering\u003c\/h3\u003e\u003cp\u003eBuffer address lines between a CPU and SRAM\/DRAM. The high 64mA sink current drives capacitive loads on long PCB traces, ensuring signal integrity.\u003c\/p\u003e\u003ch3\u003ePeripheral Device Driving\u003c\/h3\u003e\u003cp\u003eDrive LEDs, relays, or other peripherals directly. The 15mA source and 64mA sink capabilities handle moderate loads without external drivers.\u003c\/p\u003e\u003ch3\u003eTelecommunications Switching\u003c\/h3\u003e\u003cp\u003eImplement line card interfaces in telecom equipment. The 74F family's speed supports high-frequency signaling up to 100MHz.\u003c\/p\u003e\u003ch3\u003eIndustrial Control Logic\u003c\/h3\u003e\u003cp\u003eInterface between 5V PLC modules and backplane buses. The 0°C to 70°C temperature range suits controlled industrial environments.\u003c\/p\u003e\u003ch3\u003eTest Equipment Signal Routing\u003c\/h3\u003e\u003cp\u003eRoute test signals in ATE systems. The non-inverting function preserves signal polarity, critical for accurate measurements.\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\u003eonsemi\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProduct Series\u003c\/td\u003e \t\u003ctd\u003e74F\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\u003e4.5V ~ 5.5V\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\u003eSurface Mount\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e24-SOIC (0.295\", 7.50mm Width)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003e24-SOIC\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 MC74F646DW?\u003c\/dt\u003e\n\u003cdd\u003eA: The MC74F646DW belongs to the 74F logic family, offering high-speed performance for 5V systems.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the function of this IC?\u003c\/dt\u003e\n\u003cdd\u003eA: It is a non-inverting transceiver with 3-State outputs, 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 1 channel (8-bit) for data transmission.\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 a shared bus 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 compatible with standard 5V logic.\u003c\/dd\u003e\n\u003cdt\u003eQ: What package is available?\u003c\/dt\u003e\n\u003cdd\u003eA: It comes in a 24-SOIC (0.295\", 7.50mm Width) package.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"onsemi","offers":[{"title":"Default Title","offer_id":53666139537697,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/hqickey.com\/products\/mc74f646dw","provider":"HQICKEY","version":"1.0","type":"link"}