MC145406DW и другие
| Компонент | Описание | Производитель | |
| MC145406D | EIA-232-D/V.28 driver/receiver |
NXP Semiconductors |
 |
| MC145406DW | Driver/Receiver EIA 232-E and CCITT V.28 (Formerly RS-232-D) |
LANSDALE Semiconductor Inc. |
|