| Компонент | Описание | Производитель | |
| CD40193BC | Synchronous 4-Bit Up/Down Decade Counter |
National Semiconductor |
|
| CD40193BCM | Synchronous 4-Bit Up/Down Decade Counter . Synchronous 4-Bit Up/Down Binary Counter |
Fairchild Semiconductor |
|
| CD40193BCMX | Synchronous 4-Bit Up/Down Binary Counter |
Fairchild Semiconductor |
|
| CD40193BCN | Synchronous 4-Bit Up/Down Decade Counter . Synchronous 4-Bit Up/Down Binary Counter |
Fairchild Semiconductor |