DM74AS640N и другие
| Компонент | Описание | Производитель | |
| DM74AS640 | 3-STATE Octal Bus Transceiver |
Fairchild Semiconductor |
 |
| DM74AS640N | 3-STATE Octal Bus Transceiver |
Fairchild Semiconductor |
|
| DM74AS640WM | 3-STATE Octal Bus Transceiver |
Fairchild Semiconductor |
|
| DM74AS640WMX | Octal 3-STATE Octal Bus Transceiver |
Fairchild Semiconductor |
|