Download 74F640 Datasheet PDF
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Datasheet Summary

- 74F645 Octal Bus Transceiver with 3-STATE Outputs July 1989 Revised August 1999 - 74F645 Octal Bus Transceiver with 3-STATE Outputs General Description 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 mon output enable pin. The direction of data flow is determined by the transmit/receive (T/R) input. The 74F645 is a high speed/low power version of the 74F245. The 74F640 is an inverting option of the 74F645. Features s Designed for asynchronous two-way data flow between busses s Outputs sink 64 mA s Transmit/receive (T/R) input controls...