| Компонент | Описание | Производитель | |
| JM38510R76305S2 | 4-Bit Up/Down Counter |
National Semiconductor |
|
| JM38510R76305S2 | 4-Bit Up/Down Counter |
National Semiconductor |
|
| JM38510R76305SE | 4-Bit Up/Down Counter |
National Semiconductor |
|
| JM38510R76305SF | 4-Bit Up/Down Counter |
National Semiconductor |