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SN74F657 - Octal Transceiver

General Description

The SN74F657 contains eight noninverting buffers with 3-state outputs and an 8-bit parity generator/checker.

It is intended for bus-oriented applications.

The buffers have a specified current sinking capability of 24 mA at the A port and 64 mA at the B port.

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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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SN74F657 OCTAL TRANSCEIVER WITH PARITY GENERATOR/CHECKER AND 3-STATE OUTPUTS SDFS027A – D3217, JANUARY 1989 – REVISED OCTOBER 1993 • Combines ′F245 and ′F280B Functions in One Package • High-Impedance N-P-N Inputs for Reduced Loading (70 µA in Low and High States) • High Output Drive and Light Bus Loading • 3-State B Outputs Sink 64 mA and Source 15 mA • Input Diodes for Termination Effects • Package Options Include Plastic Small-Outline Packages and Standard Plastic 300-mil DIPs description The SN74F657 contains eight noninverting buffers with 3-state outputs and an 8-bit parity generator/checker. It is intended for bus-oriented applications. The buffers have a specified current sinking capability of 24 mA at the A port and 64 mA at the B port.