{"product_id":"sn74ls640dwr2","title":"SN74LS640DWR2","description":"\u003cp\u003eThe SN74LS640DWR2 from onsemi is a Low-Power Schottky TTL inverting transceiver with one channel and 3-State outputs. Operating at a standard 4.75V to 5.25V, it provides bidirectional data transmission with signal inversion. With a strong 24mA sink and 15mA source capability, it can drive heavily loaded buses. Its 20-SOIC package and 0°C to 70°C temperature range make it suitable for commercial applications requiring robust bus interfacing.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBidirectional Transceiver Function:\u003c\/strong\u003e Combines data transmission and reception in a single IC, simplifying bus design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Output Current (24mA Sink \/ 15mA Source):\u003c\/strong\u003e Drives heavily loaded buses and long traces with ease.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-State Outputs:\u003c\/strong\u003e Prevents bus contention and allows for bus sharing between multiple devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInverting Function:\u003c\/strong\u003e Provides signal inversion without the need for additional logic gates.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBidirectional Bus Transceiving\u003c\/h3\u003e\u003cp\u003eThe SN74LS640DWR2 is ideal for bidirectional data buses, such as those in microprocessor systems. Its 3-State outputs and direction control allow data to flow in either direction on a shared bus without contention.\u003c\/p\u003e\u003ch3\u003eSignal Inversion in Data Paths\u003c\/h3\u003e\u003cp\u003eUse this transceiver when signal inversion is required in a data path. It combines the functions of a transceiver and an inverter, saving board space and simplifying design.\u003c\/p\u003e\u003ch3\u003eMemory and Peripheral Bus Isolation\u003c\/h3\u003e\u003cp\u003eIn systems with multiple memory or peripheral devices, this transceiver can isolate the bus when not in use. The 3-State outputs prevent bus conflicts and reduce loading on the main processor.\u003c\/p\u003e\u003ch3\u003eHigh-Current Bus Driving\u003c\/h3\u003e\u003cp\u003eWith a 24mA sink capability, this transceiver can drive heavily loaded buses with long trace lengths, ensuring signal integrity in large systems.\u003c\/p\u003e\u003ch3\u003eIndustrial Control and Instrumentation\u003c\/h3\u003e\u003cp\u003eIn industrial control systems, this transceiver can interface between a controller and a fieldbus. Its TTL compatibility and robust drive capability make it suitable for noisy environments.\u003c\/p\u003e\u003ch3\u003eTest Equipment and Data Acquisition\u003c\/h3\u003e\u003cp\u003eUse the SN74LS640DWR2 to route data in test and measurement equipment. The bidirectional capability and 3-State outputs allow for flexible signal routing and bus sharing.\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\u003e74LS\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, 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, 24mA\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\u003eSurface Mount\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e20-SOIC (0.295\", 7.50mm Width)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003e20-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 SN74LS640DWR2?\u003c\/dt\u003e\n\u003cdd\u003eA: It belongs to the 74LS (Low-Power Schottky) TTL logic family, known for its high speed and compatibility with TTL systems.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the function of this IC?\u003c\/dt\u003e\n\u003cdd\u003eA: It is an inverting transceiver with 1 channel, designed to both transmit and receive data on a bidirectional bus while inverting the signal.\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 transceiver to be disabled or to drive the bus in either direction without contention.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the operating voltage range?\u003c\/dt\u003e\n\u003cdd\u003eA: The SN74LS640DWR2 operates at a standard TTL voltage range of 4.75V to 5.25V.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the package type?\u003c\/dt\u003e\n\u003cdd\u003eA: It is available in a 20-SOIC (0.295\", 7.50mm Width) surface-mount package.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the output current capability?\u003c\/dt\u003e\n\u003cdd\u003eA: It can sink 24mA and source 15mA of current, providing strong drive capability for bus lines.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"onsemi","offers":[{"title":"Default Title","offer_id":53665831485729,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/hqickey.com\/products\/sn74ls640dwr2","provider":"HQICKEY","version":"1.0","type":"link"}