| Nr. | Nombre de la Parte | Descripción | Fabricante |
| 678481 | M27C256B-80XC1X | 256 Kbit (32Kb x 8) EPROM y OTP UV EPROM | ST Microelectronics |
| 678482 | M27C256B-80XC3 | 256 Kbytes (32kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 678483 | M27C256B-80XC3TR | 256 Kbit (32Kb x 8) EPROM y OTP UV EPROM | ST Microelectronics |
| 678484 | M27C256B-80XC3TR | 256 Kbytes (32kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 678485 | M27C256B-80XC3X | 256 Kbit (32Kb x 8) EPROM y OTP UV EPROM | ST Microelectronics |
| 678486 | M27C256B-80XC6 | 256 Kbytes (32kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 678487 | M27C256B-80XC6TR | 256 Kbit (32Kb x 8) EPROM y OTP UV EPROM | ST Microelectronics |
| 678488 | M27C256B-80XC6TR | 256 Kbytes (32kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 678489 | M27C256B-80XC6X | 256 Kbit (32Kb x 8) EPROM y OTP UV EPROM | ST Microelectronics |
| 678490 | M27C256B-80XC7TR | 256 Kbit (32Kb x 8) EPROM y OTP UV EPROM | ST Microelectronics |
| 678491 | M27C256B-80XC7X | 256 Kbit (32Kb x 8) EPROM y OTP UV EPROM | ST Microelectronics |
| 678492 | M27C256B-80XF1 | 256 Kbytes (32kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 678493 | M27C256B-80XF1TR | 256 Kbit (32Kb x 8) EPROM y OTP UV EPROM | ST Microelectronics |
| 678494 | M27C256B-80XF1X | 256 Kbit (32Kb x 8) EPROM y OTP UV EPROM | ST Microelectronics |
| 678495 | M27C256B-80XF3 | 256 Kbytes (32kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 678496 | M27C256B-80XF3TR | 256 Kbit (32Kb x 8) EPROM y OTP UV EPROM | ST Microelectronics |
| 678497 | M27C256B-80XF3X | 256 Kbit (32Kb x 8) EPROM y OTP UV EPROM | ST Microelectronics |
| 678498 | M27C256B-80XF6 | 256 Kbytes (32kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 678499 | M27C256B-80XF6TR | 256 Kbit (32Kb x 8) EPROM y OTP UV EPROM | ST Microelectronics |
| 678500 | M27C256B-80XF6X | 256 Kbit (32Kb x 8) EPROM y OTP UV EPROM | ST Microelectronics |
| 678501 | M27C256B-80XF7TR | 256 Kbit (32Kb x 8) EPROM y OTP UV EPROM | ST Microelectronics |
| 678502 | M27C256B-80XF7X | 256 Kbit (32Kb x 8) EPROM y OTP UV EPROM | ST Microelectronics |
| 678503 | M27C256B-80XN1 | 256 Kbytes (32kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 678504 | M27C256B-80XN1TR | 256 Kbit (32Kb x 8) EPROM y OTP UV EPROM | ST Microelectronics |
| 678505 | M27C256B-80XN1TR | 256 Kbytes (32kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 678506 | M27C256B-80XN1X | 256 Kbit (32Kb x 8) EPROM y OTP UV EPROM | ST Microelectronics |
| 678507 | M27C256B-80XN3 | 256 Kbytes (32kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 678508 | M27C256B-80XN3TR | 256 Kbit (32Kb x 8) EPROM y OTP UV EPROM | ST Microelectronics |
| 678509 | M27C256B-80XN3TR | 256 Kbytes (32kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 678510 | M27C256B-80XN3X | 256 Kbit (32Kb x 8) EPROM y OTP UV EPROM | ST Microelectronics |
| 678511 | M27C256B-80XN6 | 256 Kbytes (32kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 678512 | M27C256B-80XN6TR | 256 Kbit (32Kb x 8) EPROM y OTP UV EPROM | ST Microelectronics |
| 678513 | M27C256B-80XN6TR | 256 Kbytes (32kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 678514 | M27C256B-80XN6X | 256 Kbit (32Kb x 8) EPROM y OTP UV EPROM | ST Microelectronics |
| 678515 | M27C256B-80XN7TR | 256 Kbit (32Kb x 8) EPROM y OTP UV EPROM | ST Microelectronics |
| 678516 | M27C256B-80XN7X | 256 Kbit (32Kb x 8) EPROM y OTP UV EPROM | ST Microelectronics |
| 678517 | M27C256B-90B1 | 256 KBIT (32KB X8) EPROM Y OTP UV EPROM | ST Microelectronics |
| 678518 | M27C256B-90B1 | 256 Kbytes (32kb x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 678519 | M27C256B-90B1TR | 256 Kbit (32Kb x 8) EPROM y OTP UV EPROM | ST Microelectronics |
| 678520 | M27C256B-90B1X | 256 Kbit (32Kb x 8) EPROM y OTP UV EPROM | ST Microelectronics |
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