74F640 Datasheet (Fairchild) - Octal Bus Transceiver

74F640, Octal Bus Transceiver

These devices are octal bus transceivers designed for asynchronous two-way data flow between the A and B busses.

Both busses are capable of sinking 64 mA, have 3STATE outputs, and a common output enable pin.

The direction of data flow is determined by the transmit/receive (T/R) input.

The 74F645 is

74F640 Features

* s Designed for asynchronous two-way data flow between busses s Outputs sink 64 mA s Transmit/receive (T/R) input controls the direction of data flow s 74F645 is a lower power, faster version of the 74F245 s 74F640 is an inverting option of the 74F645 Ordering Code: Order Number 74F640SC 74F640PC 74