| Компонент | Описание | Производитель | |
| SL74LS161 | Synchronous 4 Bit Counters; Binary, Direct Reset |
System Logic Semiconductor |
|
| SL74LS161D | Synchronous 4 Bit Counters; Binary, Direct Reset |
System Logic Semiconductor |
|
| SL74LS161N | Synchronous 4 Bit Counters; Binary, Direct Reset |
System Logic Semiconductor |