| Description | Brand | Item | Part Number | Package | |
|---|---|---|---|---|---|
| M27C512-90B6/W | STM | EPROM | 27C512 | PDIP-28 | |
| M27C512-90B6L | STM | EPROM | 27C512 | PDIP-28 | |
| M27C512-90BI | STM | EPROM | 27C512 | ||
| M27C512-90BJ | STM | EPROM | 27C512 | ||
| M27C512-90C1 | STM | EPROM | 27C512 | PLCC-32 | |
| M27C512-90C1-MOD-I03 | STM | EPROM | 27C512 | PLCC-32 | |
| M27C512-90C1-ST | STM | EPROM | 27C512 | PLCC-32 | |
| M27C512-90C1/C6 | STM | EPROM | 27C512 | PLCC-32 | |
| M27C512-90C1C5 | STM | EPROM | 27C512 | PLCC-32 | |
| M27C512-90C1DA | STM | EPROM | 27C512 | PLCC-32 | |
| M27C512-90C1DP | STM | EPROM | 27C512 | PLCC-32 | |
| M27C512-90C1E | STM | EPROM | 27C512 | PLCC-32 | |
| M27C512-90C1F | STM | EPROM | 27C512 | CDIP-28 | |
| M27C512-90C1TRE | STM | EPROM | 27C512 | PLCC-32 | |
| M27C512-90C6 | STM | EPROM | 27C512 | PLCC-32 | |
| M27C512-90CI | STM | EPROM | 27C512 | ||
| M27C512-90EI | STM | EPROM | 27C512 | ||
| M27C512-90F | STM | EPROM | 27C512 | CDIP-28 | |
| M27C512-90F1 | STM | EPROM | 27C512 | CDIP-28 | |
| M27C512-90F1(SGS) | STM | EPROM | 27C512 | CDIP-28 | |
| M27C512-90F1(TEXAS/SG | STM | EPROM | 27C512 | CDIP-28 | |
| M27C512-90F1ST | STM | EPROM | 27C512 | CDIP-28 | |
| M27C512-90F3 | STM | EPROM | 27C512 | CDIP-28 | |
| M27C512-90F6 | STM | EPROM | 27C512 | CDIP-28 |