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74F579 - 8-Bit Bidirectional Binary Counter

General Description

The 74F579 is a fully synchronous 8-stage up/down counter with multiplexed 3-STATE I/O ports for bus-oriented applications.

Key Features

  • a preset capability for programmable operation, carry lookahead for easy cascading and a U/D input to control the direction of counting. All state changes, whether in counting or parallel loading, are initiated by the rising edge of the clock. Features s Multiplexed 3-STATE I/O ports s Built-in lookahead carry capability s Count frequency 100 MHz typical s Supply current 75 mA typical s Guaranteed 4000V minimum ESD protection Ordering Code: Order Number 74F579SC 74F579SJ 74F579PC Package Numbe.

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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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74F579 8-Bit Bidirectional Binary Counter with 3-STATE Outputs April 1988 Revised August 1999 74F579 8-Bit Bidirectional Binary Counter with 3-STATE Outputs General Description The 74F579 is a fully synchronous 8-stage up/down counter with multiplexed 3-STATE I/O ports for bus-oriented applications. It features a preset capability for programmable operation, carry lookahead for easy cascading and a U/D input to control the direction of counting. All state changes, whether in counting or parallel loading, are initiated by the rising edge of the clock.