| # | Part Name | Description |
|---|
| 1 | HEF4720 | 256-bit, 1-bit per word random access memories |
| 2 | HEF4720B | 256-bit, 1-bit per word random access memories |
| 3 | HEF4720BD | 256-bit, 1-bit per word random access memories |
| 4 | HEF4720BF | 256-bit, 1-bit per word random access memories |
| 5 | HEF4720BN | 256-bit, 1-bit per word random access memories |
| 6 | HEF4720BP | 256-bit, 1-bit per word random access memories |
| 7 | HEF4720BT | 256-bit, 1-bit per word random access memories |
| 8 | HEF4720V | 256-bit, 1-bit per word random access memories |
| 9 | HEF4720VD | 256-bit, 1-bit per word random access memories |
| 10 | HEF4720VF | 256-bit, 1-bit per word random access memories |
| 11 | HEF4720VN | 256-bit, 1-bit per word random access memories |
| 12 | HEF4720VP | 256-bit, 1-bit per word random access memories |
| 13 | HEF4720VT | 256-bit, 1-bit per word random access memories |
