| Компонент | Описание | Производитель | |
| UPD4168 | 8,192 x 8-BIT NMOS XRAM |
NEC |
|
| UPD4168C | 8,192 x 8-BIT NMOS XRAM |
NEC |
|
| UPD4168C-12 | 8,192 x 8-BIT NMOS XRAM |
NEC |
|
| UPD4168C-15 | 8,192 x 8-BIT NMOS XRAM |
NEC |
|
| UPD4168C-20 | 8,192 x 8-BIT NMOS XRAM |
NEC |