SL74LS161

System Logic

Semiconductor

SLS

B. All diodes are 1N916 or 1N3064.

Figure 5. Test Circuit

Sequence illustrated in waveforms:

1. Reset outputs to zero.

2. Preset to binary twelve.

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

4. Inhibit.

Figure 7. Timing Diagram