Texas Instruments 20-SOIC SN74LS245DW

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The SN74LS245DW is a dual-channel, 8-bit bus transceiver from the 74LS245 series. It functions as a bidirectional buffer for asynchronous data communication between two 8-line buses. Controlled by a direction input (DR), it enables data transfer in either direction. The device features three-state outputs, allowing it to interface directly with buses and reduce DC loading with PNP inputs. Despite variations in manufacturer codes, such as DM74LS245WM, they are pin-compatible and serve similar purposes according to standard specifications. Ideal for resolving bus contention and level matching issues.