| Компонент | Описание | Производитель | |
| HEF4720B | 256-bit, 1-bit per word random access memories |
NXP Semiconductors |
|
| HEF4720BD | 256-bit, 1-bit per word random access memories |
NXP Semiconductors |
|
| HEF4720BF | 256-bit, 1-bit per word random access memories |
NXP Semiconductors |
|
| HEF4720BN | 256-bit, 1-bit per word random access memories |
NXP Semiconductors |
|
| HEF4720BP | 256-bit, 1-bit per word random access memories |
NXP Semiconductors |
|
| HEF4720BT | 256-bit, 1-bit per word random access memories |
NXP Semiconductors |