| No. | Nome della parte | Descrizione | Fabbricatore |
| 680521 | M27C512-60B1X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680522 | M27C512-60B3 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680523 | M27C512-60B3 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680524 | M27C512-60B3 | 512 KBytes (64 KB x 8) EPROM, 5V, 60ns | SGS Thomson Microelectronics |
| 680525 | M27C512-60B3TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680526 | M27C512-60B3X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680527 | M27C512-60B6 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680528 | M27C512-60B6 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680529 | M27C512-60B6 | 512 KBytes (64 KB x 8) EPROM, 5V, 60ns | SGS Thomson Microelectronics |
| 680530 | M27C512-60B6TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680531 | M27C512-60B6X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680532 | M27C512-60C1 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680533 | M27C512-60C1 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680534 | M27C512-60C1 | 512 KBytes (64 KB x 8) EPROM, 5V, 60ns | SGS Thomson Microelectronics |
| 680535 | M27C512-60C1TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680536 | M27C512-60C1TR | 512 KBytes (64 KB x 8) EPROM, 5V, 60ns | SGS Thomson Microelectronics |
| 680537 | M27C512-60C1X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680538 | M27C512-60C3 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680539 | M27C512-60C3 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680540 | M27C512-60C3 | 512 KBytes (64 KB x 8) EPROM, 5V, 60ns | SGS Thomson Microelectronics |
| 680541 | M27C512-60C3TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680542 | M27C512-60C3TR | 512 KBytes (64 KB x 8) EPROM, 5V, 60ns | SGS Thomson Microelectronics |
| 680543 | M27C512-60C3X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680544 | M27C512-60C6 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680545 | M27C512-60C6 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680546 | M27C512-60C6 | 512 KBytes (64 KB x 8) EPROM, 5V, 60ns | SGS Thomson Microelectronics |
| 680547 | M27C512-60C6TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680548 | M27C512-60C6TR | 512 KBytes (64 KB x 8) EPROM, 5V, 60ns | SGS Thomson Microelectronics |
| 680549 | M27C512-60C6X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680550 | M27C512-60F1 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680551 | M27C512-60F1 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680552 | M27C512-60F1 | 512 KBytes (64 KB x 8) EPROM, 5V, 60ns | SGS Thomson Microelectronics |
| 680553 | M27C512-60F1TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680554 | M27C512-60F1X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680555 | M27C512-60F3 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680556 | M27C512-60F3 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 680557 | M27C512-60F3 | 512 KBytes (64 KB x 8) EPROM, 5V, 60ns | SGS Thomson Microelectronics |
| 680558 | M27C512-60F3TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680559 | M27C512-60F3X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 680560 | M27C512-60F6 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
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