MC74HC4020ADR2 и другие
| Компонент | Описание | Производитель | |
| MC74HC4020ADR2 | 14−Stage Binary Ripple Counter High−Performance Silicon−Gate CMOS |
ON Semiconductor |
 |
| MC74HC4020ADR2 | 14-Stage Binary Ripple Counter |
ON Semiconductor |
|
| MC74HC4020ADR2G | 14−Stage Binary Ripple Counter High−Performance Silicon−Gate CMOS |
ON Semiconductor |
|