| Nr. | Nom de partie | Description | Fabricant |
| 678441 | M27C256B-80C7X | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 678442 | M27C256B-80F1 | 256 Ko (32 Ko x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 678443 | M27C256B-80F1TR | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 678444 | M27C256B-80F1X | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 678445 | M27C256B-80F3 | 256 Ko (32 Ko x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 678446 | M27C256B-80F3TR | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 678447 | M27C256B-80F3X | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 678448 | M27C256B-80F6 | 256 Ko (32 Ko x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 678449 | M27C256B-80F6TR | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 678450 | M27C256B-80F6X | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 678451 | M27C256B-80F7TR | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 678452 | M27C256B-80F7X | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 678453 | M27C256B-80N1 | 256 Ko (32 Ko x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 678454 | M27C256B-80N1TR | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 678455 | M27C256B-80N1TR | 256 Ko (32 Ko x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 678456 | M27C256B-80N1X | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 678457 | M27C256B-80N3 | 256 Ko (32 Ko x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 678458 | M27C256B-80N3TR | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 678459 | M27C256B-80N3TR | 256 Ko (32 Ko x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 678460 | M27C256B-80N3X | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 678461 | M27C256B-80N6 | 256 Ko (32 Ko x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 678462 | M27C256B-80N6TR | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 678463 | M27C256B-80N6TR | 256 Ko (32 Ko x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 678464 | M27C256B-80N6X | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 678465 | M27C256B-80N7TR | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 678466 | M27C256B-80N7X | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 678467 | M27C256B-80XB1 | 256 Ko (32 Ko x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 678468 | M27C256B-80XB1TR | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 678469 | M27C256B-80XB1X | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 678470 | M27C256B-80XB3 | 256 Ko (32 Ko x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 678471 | M27C256B-80XB3TR | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 678472 | M27C256B-80XB3X | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 678473 | M27C256B-80XB6 | 256 Ko (32 Ko x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 678474 | M27C256B-80XB6TR | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 678475 | M27C256B-80XB6X | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 678476 | M27C256B-80XB7TR | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 678477 | M27C256B-80XB7X | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 678478 | M27C256B-80XC1 | 256 Ko (32 Ko x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 678479 | M27C256B-80XC1TR | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 678480 | M27C256B-80XC1TR | 256 Ko (32 Ko x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
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