SN74LS393ML1 и другие
| Компонент | Описание | Производитель | |
| SN74LS393ML1 | DUAL DECADE COUNTER; DUAL 4-STAGE BINARY COUNTER |
ON Semiconductor |
 |
| SN74LS393ML2 | DUAL DECADE COUNTER; DUAL 4-STAGE BINARY COUNTER |
ON Semiconductor |
|