X68C64 и другие
| Компонент | Описание | Производитель | |
| EI68C681 | DUAL UART |
A1 PROs co., Ltd. |
 |
| EI68C681 | DUAL UART |
IMP, Inc |
|
| EI68C684 | QUAD UART |
IMP, Inc |
|
| SC68C652B | 5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.) with 32-byte FIFOs, IrDA encoder/decoder, and 68 mode mP interface |
NXP Semiconductors |
|
| SC68C652BIB48 | 5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.) with 32-byte FIFOs, IrDA encoder/decoder, and 68 mode mP interface |
NXP Semiconductors |
|
| X68C64 | E2 Micro-Peripheral |
Xicor Inc. |
|
| X68C64P | E2 Micro-Peripheral |
Xicor Inc. |
|
| X68C64PI | E2 Micro-Peripheral |
Xicor Inc. |
|
| X68C64PM | E2 Micro-Peripheral |
Xicor Inc. |
|
| X68C64S | E2 Micro-Peripheral |
Xicor Inc. |
|