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74F640 - Octal Bus Transceiver

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 common output enable pin.

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

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 74F645PC Package Number M20B N20A N20A Package.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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74F640 • 74F645 Octal Bus Transceiver with 3-STATE Outputs July 1989 Revised August 1999 74F640 • 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 common 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.
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