HD74LS642
Octal Bus Transceivers (inverted open-collector outputs)
REJ03D0490–0200 Rev.2.00
Feb.18.2005
This octal bus transceivers is designed for asynchronous two-way communication between data buses. The devices 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 ena...
