SL74HC393N и другие
| Компонент | Описание | Производитель | |
| SL74HC393 | Dual 4-Stage Binary Ripple Counter |
System Logic Semiconductor |
 |
| SL74HC393D | Dual 4-Stage Binary Ripple Counter |
System Logic Semiconductor |
|
| SL74HC393N | Dual 4-Stage Binary Ripple Counter |
System Logic Semiconductor |
|