MC74HC4020AFEL и другие
| Компонент | Описание | Производитель | |
| MC74HC4020AFEL | 14−Stage Binary Ripple Counter High−Performance Silicon−Gate CMOS |
ON Semiconductor |
 |
| MC74HC4020AFELG | 14−Stage Binary Ripple Counter High−Performance Silicon−Gate CMOS |
ON Semiconductor |
|