HD74LS640
Octal Bus Transceivers (inverted 3-state outputs)
REJ03D0487–0200 Rev.2.00
Feb.18.2005
This octal bus transceivers is designed for asynchronous two-way communication between data buses. The device transmit data from the A bus to the B bus or from the B bus to the A bus depending upon the level at the direction control (DIR) input. The enable inp...
