| 885441 | M27C256B-45C1 | 256 KB (32KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 885442 | M27C256B-45C1TR | 256 KB (32KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 885443 | M27C256B-45C1TR | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885444 | M27C256B-45C1X | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885445 | M27C256B-45C3 | 256 KB (32KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 885446 | M27C256B-45C3TR | 256 KB (32KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 885447 | M27C256B-45C3TR | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885448 | M27C256B-45C3X | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885449 | M27C256B-45C6 | 256 KB (32KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 885450 | M27C256B-45C6TR | 256 KB (32KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 885451 | M27C256B-45C6TR | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885452 | M27C256B-45C6X | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885453 | M27C256B-45C7TR | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885454 | M27C256B-45C7X | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885455 | M27C256B-45F1 | 256 KB (32KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 885456 | M27C256B-45F1TR | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885457 | M27C256B-45F1X | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885458 | M27C256B-45F3 | 256 KB (32KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 885459 | M27C256B-45F3TR | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885460 | M27C256B-45F3X | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885461 | M27C256B-45F6 | 256 KB (32KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 885462 | M27C256B-45F6TR | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885463 | M27C256B-45F6X | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885464 | M27C256B-45F7TR | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885465 | M27C256B-45F7X | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885466 | M27C256B-45N1 | 256 KB (32KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 885467 | M27C256B-45N1TR | 256 KB (32KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 885468 | M27C256B-45N1TR | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885469 | M27C256B-45N1X | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885470 | M27C256B-45N3 | 256 KB (32KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 885471 | M27C256B-45N3TR | 256 KB (32KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 885472 | M27C256B-45N3TR | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885473 | M27C256B-45N3X | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885474 | M27C256B-45N6 | 256 KB (32KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 885475 | M27C256B-45N6TR | 256 KB (32KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 885476 | M27C256B-45N6TR | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885477 | M27C256B-45N6X | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885478 | M27C256B-45N7TR | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885479 | M27C256B-45N7X | 256 Kbit (32Kb x 8) UV EPROM și OTP EPROM | ST Microelectronics |
| 885480 | M27C256B-45XB1 | 256 KB (32KB x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
