| 924481 | M27C256B-15XB7TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924482 | M27C256B-15XB7X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924483 | M27C256B-15XC1 | 256 Kbit (32Kb x 8) EPROM, 5V, 150ns | SGS Thomson Microelectronics |
| 924484 | M27C256B-15XC1TR | 256 Kbit (32Kb x 8) EPROM, 5V, 150ns | SGS Thomson Microelectronics |
| 924485 | M27C256B-15XC1TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924486 | M27C256B-15XC1X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924487 | M27C256B-15XC3 | 256 Kbit (32Kb x 8) EPROM, 5V, 150ns | SGS Thomson Microelectronics |
| 924488 | M27C256B-15XC3TR | 256 Kbit (32Kb x 8) EPROM, 5V, 150ns | SGS Thomson Microelectronics |
| 924489 | M27C256B-15XC3TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924490 | M27C256B-15XC3X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924491 | M27C256B-15XC6 | 256 Kbit (32Kb x 8) EPROM, 5V, 150ns | SGS Thomson Microelectronics |
| 924492 | M27C256B-15XC6TR | 256 Kbit (32Kb x 8) EPROM, 5V, 150ns | SGS Thomson Microelectronics |
| 924493 | M27C256B-15XC6TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924494 | M27C256B-15XC6X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924495 | M27C256B-15XC7TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924496 | M27C256B-15XC7X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924497 | M27C256B-15XF1 | 256 Kbit (32Kb x 8) EPROM, 5V, 150ns | SGS Thomson Microelectronics |
| 924498 | M27C256B-15XF1TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924499 | M27C256B-15XF1X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
|
| 924500 | M27C256B-15XF3 | 256 Kbit (32Kb x 8) EPROM, 5V, 150ns | SGS Thomson Microelectronics |
| 924501 | M27C256B-15XF3TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924502 | M27C256B-15XF3X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924503 | M27C256B-15XF6 | 256 Kbit (32Kb x 8) EPROM, 5V, 150ns | SGS Thomson Microelectronics |
| 924504 | M27C256B-15XF6TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924505 | M27C256B-15XF6X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924506 | M27C256B-15XF7TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924507 | M27C256B-15XF7X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924508 | M27C256B-15XN1 | 256 Kbit (32Kb x 8) EPROM, 5V, 150ns | SGS Thomson Microelectronics |
| 924509 | M27C256B-15XN1TR | 256 Kbit (32Kb x 8) EPROM, 5V, 150ns | SGS Thomson Microelectronics |
| 924510 | M27C256B-15XN1TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924511 | M27C256B-15XN1X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924512 | M27C256B-15XN3 | 256 Kbit (32Kb x 8) EPROM, 5V, 150ns | SGS Thomson Microelectronics |
| 924513 | M27C256B-15XN3TR | 256 Kbit (32Kb x 8) EPROM, 5V, 150ns | SGS Thomson Microelectronics |
| 924514 | M27C256B-15XN3TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924515 | M27C256B-15XN3X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924516 | M27C256B-15XN6 | 256 Kbit (32Kb x 8) EPROM, 5V, 150ns | SGS Thomson Microelectronics |
| 924517 | M27C256B-15XN6TR | 256 Kbit (32Kb x 8) EPROM, 5V, 150ns | SGS Thomson Microelectronics |
| 924518 | M27C256B-15XN6TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924519 | M27C256B-15XN6X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924520 | M27C256B-15XN7TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
