UPD4722 и другие
| Компонент | Описание | Производитель | |
| UPD4721 | RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V |
NEC |
 |
| UPD4721GS-GJG | RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V |
NEC |
|
| UPD4722 | RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V |
NEC |
|
| UPD4722GS-GJG | RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V |
NEC |
|
| UPD4723 | RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V |
NEC |
|
| UPD4723GS-GJG | RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V |
NEC |
|
| UPD4724 | RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V |
NEC |
|
| UPD4724GS-GJG | RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V |
NEC |
|
| UPD4726 | RS-232 LINE DRIVER/RECEIVER |
NEC |
|
| UPD4726GS-BAF | RS-232 LINE DRIVER/RECEIVER |
NEC |
|