| 925081 | M27C256B-80XB3TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 925082 | M27C256B-80XB3X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 925083 | M27C256B-80XB6 | 256 Kbit (32Kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 925084 | M27C256B-80XB6TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 925085 | M27C256B-80XB6X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 925086 | M27C256B-80XB7TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 925087 | M27C256B-80XB7X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 925088 | M27C256B-80XC1 | 256 Kbit (32Kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 925089 | M27C256B-80XC1TR | 256 Kbit (32Kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 925090 | M27C256B-80XC1TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 925091 | M27C256B-80XC1X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 925092 | M27C256B-80XC3 | 256 Kbit (32Kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 925093 | M27C256B-80XC3TR | 256 Kbit (32Kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 925094 | M27C256B-80XC3TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 925095 | M27C256B-80XC3X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 925096 | M27C256B-80XC6 | 256 Kbit (32Kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 925097 | M27C256B-80XC6TR | 256 Kbit (32Kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 925098 | M27C256B-80XC6TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 925099 | M27C256B-80XC6X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
|
| 925100 | M27C256B-80XC7TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 925101 | M27C256B-80XC7X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 925102 | M27C256B-80XF1 | 256 Kbit (32Kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 925103 | M27C256B-80XF1TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 925104 | M27C256B-80XF1X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 925105 | M27C256B-80XF3 | 256 Kbit (32Kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 925106 | M27C256B-80XF3TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 925107 | M27C256B-80XF3X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 925108 | M27C256B-80XF6 | 256 Kbit (32Kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 925109 | M27C256B-80XF6TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 925110 | M27C256B-80XF6X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 925111 | M27C256B-80XF7TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 925112 | M27C256B-80XF7X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 925113 | M27C256B-80XN1 | 256 Kbit (32Kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 925114 | M27C256B-80XN1TR | 256 Kbit (32Kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 925115 | M27C256B-80XN1TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 925116 | M27C256B-80XN1X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 925117 | M27C256B-80XN3 | 256 Kbit (32Kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 925118 | M27C256B-80XN3TR | 256 Kbit (32Kb x 8) EPROM, 5V, 80ns | SGS Thomson Microelectronics |
| 925119 | M27C256B-80XN3TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 925120 | M27C256B-80XN3X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
