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MC74F169 - (MC74F168 / MC74F169) 4-STAGE SYNCHRONOUS BIDIRECTIONAL COUNTERS FAST SCHOTTKY TTL

Download the MC74F169 datasheet PDF. This datasheet also covers the MC74F168 variant, as both devices belong to the same (mc74f168 / mc74f169) 4-stage synchronous bidirectional counters fast schottky ttl family and are provided as variant models within a single manufacturer datasheet.

General Description

The F168 and F169 use edge-triggered J-K type flip-flops and have no constraints on changing the control or data input signals in either state of the clock.

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Note: The manufacturer provides a single datasheet file (MC74F168_Motorola.pdf) that lists specifications for multiple related part numbers.

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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4-STAGE SYNCHRONOUS BIDIRECTIONAL COUNTERS The MC54/74F168 and MC54/74F169 are fully synchronous 4-stage up/ down counters. The F168 is a BCD decade counter; the F169 is a modulo-16 binary counter. Both feature 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 LOW-to-HIGH transition of the clock.