| 927281 | M27C512-80XC3TR | 512 Kbit (64Kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 927282 | M27C512-80XC3TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927283 | M27C512-80XC3X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927284 | M27C512-80XC6 | 512 Kbit (64Kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 927285 | M27C512-80XC6 | 512 Kbit (64K x8) UV EPROM and OTP EPROM | ST Microelectronics |
| 927286 | M27C512-80XC6TR | 512 Kbit (64Kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 927287 | M27C512-80XC6TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927288 | M27C512-80XC6X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927289 | M27C512-80XF1 | 512 Kbit (64Kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 927290 | M27C512-80XF1 | 512 Kbit (64K x8) UV EPROM and OTP EPROM | ST Microelectronics |
| 927291 | M27C512-80XF1 | 512 Kbit (64K x8) UV EPROM and OTP EPROM | ST Microelectronics |
| 927292 | M27C512-80XF1TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927293 | M27C512-80XF1X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927294 | M27C512-80XF3 | 512 Kbit (64Kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 927295 | M27C512-80XF3 | 512 Kbit (64K x8) UV EPROM and OTP EPROM | ST Microelectronics |
| 927296 | M27C512-80XF3TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927297 | M27C512-80XF3X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927298 | M27C512-80XF6 | 512 Kbit (64Kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 927299 | M27C512-80XF6 | 512 Kbit (64K x8) UV EPROM and OTP EPROM | ST Microelectronics |
|
| 927300 | M27C512-80XF6TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927301 | M27C512-80XF6X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927302 | M27C512-80XN1 | 512 Kbit (64Kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 927303 | M27C512-80XN1 | 512 Kbit (64K x8) UV EPROM and OTP EPROM | ST Microelectronics |
| 927304 | M27C512-80XN1TR | 512 Kbit (64Kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 927305 | M27C512-80XN1TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927306 | M27C512-80XN1X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927307 | M27C512-80XN3 | 512 Kbit (64Kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 927308 | M27C512-80XN3 | 512 Kbit (64K x8) UV EPROM and OTP EPROM | ST Microelectronics |
| 927309 | M27C512-80XN3TR | 512 Kbit (64Kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 927310 | M27C512-80XN3TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927311 | M27C512-80XN3X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927312 | M27C512-80XN6 | 512 Kbit (64Kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 927313 | M27C512-80XN6 | 512 Kbit (64K x8) UV EPROM and OTP EPROM | ST Microelectronics |
| 927314 | M27C512-80XN6TR | 512 Kbit (64Kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 927315 | M27C512-80XN6TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927316 | M27C512-80XN6X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927317 | M27C512-90B1 | 512 Kbit (64Kb x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 927318 | M27C512-90B1 | 512 KBIT (64KB X8) UV EPROM AND OTP EPROM | ST Microelectronics |
| 927319 | M27C512-90B1TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 927320 | M27C512-90B1X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
