| 927321 | M27C512-90B3 | 512 Kbit (64Kb x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 927322 | M27C512-90B3 | 512 Kbit (64K x8) UV EPROM and OTP EPROM | ST Microelectronics |
| 927323 | M27C512-90B3TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927324 | M27C512-90B3X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927325 | M27C512-90B6 | 512 Kbit (64Kb x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 927326 | M27C512-90B6 | 512 KBIT (64KB X8) UV EPROM AND OTP EPROM | ST Microelectronics |
| 927327 | M27C512-90B6TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927328 | M27C512-90B6X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927329 | M27C512-90C1 | 512 Kbit (64Kb x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 927330 | M27C512-90C1 | 512 KBIT (64KB X8) UV EPROM AND OTP EPROM | ST Microelectronics |
| 927331 | M27C512-90C1TR | 512 Kbit (64Kb x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 927332 | M27C512-90C1TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927333 | M27C512-90C1X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927334 | M27C512-90C3 | 512 Kbit (64Kb x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 927335 | M27C512-90C3 | 512 Kbit (64K x8) UV EPROM and OTP EPROM | ST Microelectronics |
| 927336 | M27C512-90C3TR | 512 Kbit (64Kb x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 927337 | M27C512-90C3TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927338 | M27C512-90C3X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927339 | M27C512-90C6 | 512 Kbit (64Kb x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
|
| 927340 | M27C512-90C6 | 512 KBIT (64KB X8) UV EPROM AND OTP EPROM | ST Microelectronics |
| 927341 | M27C512-90C6TR | 512 Kbit (64Kb x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 927342 | M27C512-90C6TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927343 | M27C512-90C6X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927344 | M27C512-90F1 | 512 Kbit (64Kb x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 927345 | M27C512-90F1 | 512 Kbit (64K x8) UV EPROM and OTP EPROM | ST Microelectronics |
| 927346 | M27C512-90F1TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927347 | M27C512-90F1X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927348 | M27C512-90F3 | 512 Kbit (64Kb x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 927349 | M27C512-90F3 | 512 Kbit (64K x8) UV EPROM and OTP EPROM | ST Microelectronics |
| 927350 | M27C512-90F3TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927351 | M27C512-90F3X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927352 | M27C512-90F6 | 512 Kbit (64Kb x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 927353 | M27C512-90F6 | 512 KBIT (64KB X8) UV EPROM AND OTP EPROM | ST Microelectronics |
| 927354 | M27C512-90F6TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927355 | M27C512-90F6X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927356 | M27C512-90N1 | 512 Kbit (64Kb x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 927357 | M27C512-90N1 | 512 KBIT (64KB X8) UV EPROM AND OTP EPROM | ST Microelectronics |
| 927358 | M27C512-90N1TR | 512 Kbit (64Kb x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 927359 | M27C512-90N1TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927360 | M27C512-90N1X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
