Octal 3-State Bus Transceiver

The IN74AC643 is identical in pinout to the LS/ALS643, HC/HCT643. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALS outputs. The IN74AC643 is a 3-state transceiver that is used for 2-way asynchronous Communication between data buses. The device has an active-low Output Enable pin, which is used to place the I/O ports into high-impedance states. The Direction control determines whether data flows from A to B or from B to A. By Integral Corp.
IN74AC643 's PackagesIN74AC643 's pdf datasheet

IN74AC643 Pinout, Pinouts
IN74AC643 pinout,Pin out
This is one package pinout of IN74AC643,If you need more pinouts please download IN74AC643's pdf datasheet.

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