| Компонент | Описание | Производитель | |
| 74F569SC | 4-Bit Bidirectional Counter with 3-STATE Outputs |
Fairchild Semiconductor |
|
| 74F569SCX | 4-Bit Bidirectional Decade Counter with 3-STATE Outputs |
Fairchild Semiconductor |
|
| 74F569SJ | 4-Bit Bidirectional Counter with 3-STATE Outputs |
Fairchild Semiconductor |