| # | Part Name | Description |
| 1 | HYB514256B | 256 K x 4-Bit Dynamic RAM Low Power 256 K x 4-Bit Dynamic RAM |
| 2 | HYB514256B-50 | 256 K x 4-Bit Dynamic RAM Low Power 256 K x 4-Bit Dynamic RAM |
| 3 | HYB514256B-60 | 256 K x 4-Bit Dynamic RAM Low Power 256 K x 4-Bit Dynamic RAM |
| 4 | HYB514256B-70 | 256 K x 4-Bit Dynamic RAM Low Power 256 K x 4-Bit Dynamic RAM |
| 5 | HYB514256BJ-50 | 256 K x 4-Bit Dynamic RAM Low Power 256 K x 4-Bit Dynamic RAM |
| 6 | HYB514256BJ-60 | 256 K x 4-Bit Dynamic RAM Low Power 256 K x 4-Bit Dynamic RAM |
| 7 | HYB514256BJ-70 | 256 K x 4-Bit Dynamic RAM Low Power 256 K x 4-Bit Dynamic RAM |
| 8 | HYB514256BJL-50 | 256 K x 4-Bit Dynamic RAM Low Power 256 K x 4-Bit Dynamic RAM |
| 9 | HYB514256BJL-60 | 256 K x 4-Bit Dynamic RAM Low Power 256 K x 4-Bit Dynamic RAM |
| 10 | HYB514256BJL-70 | 256 K x 4-Bit Dynamic RAM Low Power 256 K x 4-Bit Dynamic RAM |
| 11 | HYB514256BL-50 | 256 K x 4-Bit Dynamic RAM Low Power 256 K x 4-Bit Dynamic RAM |
| 12 | HYB514256BL-60 | 256 K x 4-Bit Dynamic RAM Low Power 256 K x 4-Bit Dynamic RAM |
| 13 | HYB514256BL-70 | 256 K x 4-Bit Dynamic RAM Low Power 256 K x 4-Bit Dynamic RAM |