MC74AC4040NG и другие
| Компонент | Описание | Производитель | |
| MC74AC4040N | 12−Stage Binary Ripple Counter |
ON Semiconductor |
 |
| MC74AC4040N | 12-STAGE BINARY RIPPLE COUNTER |
Motorola, Inc |
|
| MC74AC4040NG | 12−Stage Binary Ripple Counter |
ON Semiconductor |
|