CD40192 データシートの表示（PDF） - Fairchild Semiconductor

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CD40192

CD40192BC Synchronous 4-Bit Up/Down Decade Counter, CD40193BC Synchronous 4-Bit Up/Down Binary Counter

Fairchild Semiconductor 

Timing Diagrams

CD40192BC

Sequence:

1. Clear outputs to zero.

2. Load (preset) to BCD seven.

3. Count up to eight, nine, carry, zero, one and two.

4. Count down to one, zero, borrow, nine, eight and seven.

CD40193BC

Sequence:

1. Clear outputs to zero.

2. Load (preset) to binary thirteen.

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

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

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