DM74ALS161B и другие
| Компонент | Описание | Производитель | |
| DM74ALS161B | Synchronous Four-Bit Counter |
Fairchild Semiconductor |
 |
| DM74ALS161BM | Synchronous Four-Bit Counter |
Fairchild Semiconductor |
|
| DM74ALS161BMX | Synchronous Four-Bit Binary Counter with Asynchronous Clear |
Fairchild Semiconductor |
|
| DM74ALS161BN | Synchronous Four-Bit Counter |
Fairchild Semiconductor |
|