| No. | Nome della parte | Descrizione | Fabbricatore |
| 680281 | M27C512-25C6 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680282 | M27C512-25C6 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680283 | M27C512-25C6 | 512 KBytes (64 KB x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 680284 | M27C512-25C6TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680285 | M27C512-25C6TR | 512 KBytes (64 KB x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 680286 | M27C512-25C6X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680287 | M27C512-25F1 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680288 | M27C512-25F1 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680289 | M27C512-25F1 | 512 KBytes (64 KB x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 680290 | M27C512-25F1TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680291 | M27C512-25F1X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680292 | M27C512-25F3 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680293 | M27C512-25F3 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680294 | M27C512-25F3 | 512 KBytes (64 KB x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 680295 | M27C512-25F3TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680296 | M27C512-25F3X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680297 | M27C512-25F6 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680298 | M27C512-25F6 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680299 | M27C512-25F6 | 512 KBytes (64 KB x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 680300 | M27C512-25F6TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680301 | M27C512-25F6X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680302 | M27C512-25N1 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680303 | M27C512-25N1 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680304 | M27C512-25N1 | 512 KBytes (64 KB x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 680305 | M27C512-25N1TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680306 | M27C512-25N1TR | 512 KBytes (64 KB x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 680307 | M27C512-25N1X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680308 | M27C512-25N3 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680309 | M27C512-25N3 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680310 | M27C512-25N3 | 512 KBytes (64 KB x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 680311 | M27C512-25N3TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680312 | M27C512-25N3TR | 512 KBytes (64 KB x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 680313 | M27C512-25N3X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680314 | M27C512-25N6 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680315 | M27C512-25N6 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680316 | M27C512-25N6 | 512 KBytes (64 KB x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 680317 | M27C512-25N6TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680318 | M27C512-25N6TR | 512 KBytes (64 KB x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 680319 | M27C512-25N6X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680320 | M27C512-25XB1 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
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