| Компонент | Описание | Производитель | |
| 54F191SCQB | Up/Down Binary Counter with Preset and Ripple Clock |
National Semiconductor |
|
| 54F191SCX | Up/Down Binary Counter with Preset and Ripple Clock |
National Semiconductor |
|
| 74F191SC | Up/Down Binary Counter with Preset and Ripple Clock |
Fairchild Semiconductor |
|
| 74F191SC | Up/Down Binary Counter with Preset and Ripple Clock |
National Semiconductor |
|
| 74F191SC | Up/Down Binary Counter with Preset and Ripple Clock |
Fairchild Semiconductor |
|
| 74F191SCQB | Up/Down Binary Counter with Preset and Ripple Clock |
National Semiconductor |
|
| 74F191SCX | Up/Down Binary Counter with Preset and Ripple Clock |
National Semiconductor |