| 924641 | M27C256B-25C6 | 256 Kbit (32Kb x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 924642 | M27C256B-25C6TR | 256 Kbit (32Kb x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 924643 | M27C256B-25C6TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924644 | M27C256B-25C6X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924645 | M27C256B-25C7TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924646 | M27C256B-25C7X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924647 | M27C256B-25F1 | 256 Kbit (32Kb x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 924648 | M27C256B-25F1TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924649 | M27C256B-25F1X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924650 | M27C256B-25F3 | 256 Kbit (32Kb x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 924651 | M27C256B-25F3TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924652 | M27C256B-25F3X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924653 | M27C256B-25F6 | 256 Kbit (32Kb x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 924654 | M27C256B-25F6TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924655 | M27C256B-25F6X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924656 | M27C256B-25F7TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924657 | M27C256B-25F7X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924658 | M27C256B-25N1 | 256 Kbit (32Kb x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 924659 | M27C256B-25N1TR | 256 Kbit (32Kb x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
|
| 924660 | M27C256B-25N1TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924661 | M27C256B-25N1X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924662 | M27C256B-25N3 | 256 Kbit (32Kb x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 924663 | M27C256B-25N3TR | 256 Kbit (32Kb x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 924664 | M27C256B-25N3TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924665 | M27C256B-25N3X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924666 | M27C256B-25N6 | 256 Kbit (32Kb x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 924667 | M27C256B-25N6TR | 256 Kbit (32Kb x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 924668 | M27C256B-25N6TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924669 | M27C256B-25N6X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924670 | M27C256B-25N7TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924671 | M27C256B-25N7X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924672 | M27C256B-25XB1 | 256 Kbit (32Kb x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 924673 | M27C256B-25XB1TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924674 | M27C256B-25XB1X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924675 | M27C256B-25XB3 | 256 Kbit (32Kb x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 924676 | M27C256B-25XB3TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924677 | M27C256B-25XB3X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924678 | M27C256B-25XB6 | 256 Kbit (32Kb x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 924679 | M27C256B-25XB6TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924680 | M27C256B-25XB6X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
