| No. | Nome della parte | Descrizione | Fabbricatore |
| 680401 | M27C512-45C | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680402 | M27C512-45C1 | 512 KBIT (64KB X8) EPROM ED OTP UV EPROM | ST Microelectronics |
| 680403 | M27C512-45C1 | 512 KBytes (64 KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 680404 | M27C512-45C1TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680405 | M27C512-45C1TR | 512 KBytes (64 KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 680406 | M27C512-45C1X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680407 | M27C512-45C3 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680408 | M27C512-45C3 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680409 | M27C512-45C3 | 512 KBytes (64 KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 680410 | M27C512-45C3TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680411 | M27C512-45C3TR | 512 KBytes (64 KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 680412 | M27C512-45C3X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680413 | M27C512-45C6 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680414 | M27C512-45C6 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680415 | M27C512-45C6 | 512 KBytes (64 KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 680416 | M27C512-45C6TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680417 | M27C512-45C6TR | 512 KBytes (64 KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 680418 | M27C512-45C6X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680419 | M27C512-45F1 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680420 | M27C512-45F1 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680421 | M27C512-45F1 | 512 KBytes (64 KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 680422 | M27C512-45F1TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680423 | M27C512-45F1X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680424 | M27C512-45F3 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680425 | M27C512-45F3 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680426 | M27C512-45F3 | 512 KBytes (64 KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 680427 | M27C512-45F3TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680428 | M27C512-45F3X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680429 | M27C512-45F6 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680430 | M27C512-45F6 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680431 | M27C512-45F6 | 512 KBytes (64 KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 680432 | M27C512-45F6TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680433 | M27C512-45F6X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680434 | M27C512-45N1 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680435 | M27C512-45N1 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680436 | M27C512-45N1 | 512 KBytes (64 KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 680437 | M27C512-45N1TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680438 | M27C512-45N1TR | 512 KBytes (64 KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 680439 | M27C512-45N1X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680440 | M27C512-45N3 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
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