HD68A52 и другие
| Компонент | Описание | Производитель | |
| HD68A50 | NMOS ACIA (asynchronous communication interface adapter) with 1.5 MHz clock frequency |
Hitachi Semiconductor |
 |
| HD68A50 | NMOS ACIA (asynchronous communication interface adapter) with 1.5 MHz clock frequency |
Hitachi Semiconductor |
|
| HD68A50P | NMOS ACIA (asynchronous communication interface adapter) with 1.5 MHz clock frequency |
Hitachi Semiconductor |
|
| HD68A52 | Synchronous Serial Data Adapter |
Hitachi Semiconductor |
|