| 924601 | M27C256B-20XF3TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924602 | M27C256B-20XF3X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924603 | M27C256B-20XF6 | 256 Kbit (32Kb x 8) EPROM, 5V, 200ns | SGS Thomson Microelectronics |
| 924604 | M27C256B-20XF6TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924605 | M27C256B-20XF6X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924606 | M27C256B-20XF7TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924607 | M27C256B-20XF7X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924608 | M27C256B-20XN1 | 256 Kbit (32Kb x 8) EPROM, 5V, 200ns | SGS Thomson Microelectronics |
| 924609 | M27C256B-20XN1TR | 256 Kbit (32Kb x 8) EPROM, 5V, 200ns | SGS Thomson Microelectronics |
| 924610 | M27C256B-20XN1TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924611 | M27C256B-20XN1X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924612 | M27C256B-20XN3 | 256 Kbit (32Kb x 8) EPROM, 5V, 200ns | SGS Thomson Microelectronics |
| 924613 | M27C256B-20XN3TR | 256 Kbit (32Kb x 8) EPROM, 5V, 200ns | SGS Thomson Microelectronics |
| 924614 | M27C256B-20XN3TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924615 | M27C256B-20XN3X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924616 | M27C256B-20XN6 | 256 Kbit (32Kb x 8) EPROM, 5V, 200ns | SGS Thomson Microelectronics |
| 924617 | M27C256B-20XN6TR | 256 Kbit (32Kb x 8) EPROM, 5V, 200ns | SGS Thomson Microelectronics |
| 924618 | M27C256B-20XN6TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924619 | M27C256B-20XN6X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
|
| 924620 | M27C256B-20XN7TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924621 | M27C256B-20XN7X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924622 | M27C256B-25B1 | 256 Kbit (32Kb x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 924623 | M27C256B-25B1TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924624 | M27C256B-25B1X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924625 | M27C256B-25B3 | 256 Kbit (32Kb x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 924626 | M27C256B-25B3TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924627 | M27C256B-25B3X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924628 | M27C256B-25B6 | 256 Kbit (32Kb x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 924629 | M27C256B-25B6TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924630 | M27C256B-25B6X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924631 | M27C256B-25B7TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924632 | M27C256B-25B7X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924633 | M27C256B-25C1 | 256 Kbit (32Kb x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 924634 | M27C256B-25C1TR | 256 Kbit (32Kb x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 924635 | M27C256B-25C1TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924636 | M27C256B-25C1X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924637 | M27C256B-25C3 | 256 Kbit (32Kb x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 924638 | M27C256B-25C3TR | 256 Kbit (32Kb x 8) EPROM, 5V, 250ns | SGS Thomson Microelectronics |
| 924639 | M27C256B-25C3TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924640 | M27C256B-25C3X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
