M74HC4518B1R и другие
| Компонент | Описание | Производитель | |
| M74HC4518B1R | HC4518 DUAL DECADE COUNTER HC4520 DUAL 4 BIT BINARY COUNTER |
STMicroelectronics |
 |
| M74HC4518B1R | DUAL DECADE COUNTER |
STMicroelectronics |
|