Timing Diagrams

CD40192BMCD40192BC

TLF5988 – 5

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

CD40193BMCD40193BC

TLF5988 – 6

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

5