DM74LS169AMX и другие
| Компонент | Описание | Производитель | |
| DM74LS169AM | Synchronous 4-Bit Up/Down Binary Counter |
Fairchild Semiconductor |
 |
| DM74LS169AM | Synchronous 4-Bit Up/Down Binary Counter |
National Semiconductor |
|
| DM74LS169AMX | Synchronous 4-Bit Up/Down Binary Counter |
Fairchild Semiconductor |
|