HD74HC192 Datasheet, PDF(6/13 Page) Hitachi Semiconductor – Synchronous Up/Down Decade,4-bit Binary Counter(Dual Clock Line)

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HD74HC192 Datasheet, PDF (6/13 Pages) Hitachi Semiconductor – Synchronous Up/Down Decade,4-bit Binary Counter(Dual Clock Line)

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HD74HC192/HD74HC193

HD74HC191

Illustrated below is the following sequence:

1. Clear outputs to zero.

2. Load (preset) to binary thirteen.

3. Count up to fourteen, fifteen, zero, one and two.

4. Count down to one, zero, borrow, fifteen and thirteen.

Clear

Load

Data

Inputs C

Count Up

Count Down

Outputs

Carry

Borrow

Clear Preset

14 15 0 1 2

Count Up

1 0 15 14 13

Count Down

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