| Компонент | Описание | Производитель | |
| JM38510R76305B2 | 4-Bit Up/Down Counter |
National Semiconductor |
|
| JM38510R76305BE | 4-Bit Up/Down Counter |
National Semiconductor |
|
| JM38510R76305BF | 4-Bit Up/Down Counter |
National Semiconductor |