PC16552CV и другие
| Компонент | Описание | Производитель | |
| PC16552C | Dual Universal Asynchronous Receiver/Transmitter with FIFOs |
National Semiconductor |
 |
| PC16552CV | Dual Universal Asynchronous Receiver/Transmitter with FIFOs |
National Semiconductor |
|
| PC16552CV/A+ | Dual universal asynchronous receiver/transmitter with FIFOs. |
National Semiconductor |
|