| 885881 | M27C256B-90N3TR | 256 KB (32KB x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 885882 | M27C256B-90N3TR | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885883 | M27C256B-90N3X | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885884 | M27C256B-90N6 | 256 KB (32KB x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 885885 | M27C256B-90N6TR | 256 KB (32KB x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 885886 | M27C256B-90N6TR | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885887 | M27C256B-90N6X | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885888 | M27C256B-90N7TR | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885889 | M27C256B-90N7X | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885890 | M27C256B-90XB1 | 256 KB (32KB x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 885891 | M27C256B-90XB1TR | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885892 | M27C256B-90XB1X | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885893 | M27C256B-90XB3 | 256 KB (32KB x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 885894 | M27C256B-90XB3TR | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885895 | M27C256B-90XB3X | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885896 | M27C256B-90XB6 | 256 KB (32KB x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 885897 | M27C256B-90XB6TR | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885898 | M27C256B-90XB6X | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885899 | M27C256B-90XB7TR | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885900 | M27C256B-90XB7X | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885901 | M27C256B-90XC1 | 256 KB (32KB x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 885902 | M27C256B-90XC1TR | 256 KB (32KB x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 885903 | M27C256B-90XC1TR | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885904 | M27C256B-90XC1X | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885905 | M27C256B-90XC3 | 256 KB (32KB x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 885906 | M27C256B-90XC3TR | 256 KB (32KB x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 885907 | M27C256B-90XC3TR | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885908 | M27C256B-90XC3X | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885909 | M27C256B-90XC6 | 256 KB (32KB x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 885910 | M27C256B-90XC6TR | 256 KB (32KB x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 885911 | M27C256B-90XC6TR | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885912 | M27C256B-90XC6X | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885913 | M27C256B-90XC7TR | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885914 | M27C256B-90XC7X | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885915 | M27C256B-90XF1 | 256 KB (32KB x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 885916 | M27C256B-90XF1TR | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885917 | M27C256B-90XF1X | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885918 | M27C256B-90XF3 | 256 KB (32KB x 8) EPROM, 5V, 90ns | SGS Thomson Microelectronics |
| 885919 | M27C256B-90XF3TR | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885920 | M27C256B-90XF3X | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
