| 925521 | M27C4001-35B1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925522 | M27C4001-35B1X | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925523 | M27C4001-35B1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925524 | M27C4001-35B6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925525 | M27C4001-35B6X | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925526 | M27C4001-35B6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925527 | M27C4001-35C1TR | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925528 | M27C4001-35C1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925529 | M27C4001-35C1X | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925530 | M27C4001-35C1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925531 | M27C4001-35C6TR | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925532 | M27C4001-35C6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925533 | M27C4001-35C6X | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925534 | M27C4001-35C6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925535 | M27C4001-35F1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925536 | M27C4001-35F1X | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925537 | M27C4001-35F1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925538 | M27C4001-35F6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925539 | M27C4001-35F6X | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
|
| 925540 | M27C4001-35F6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925541 | M27C4001-35L1TR | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925542 | M27C4001-35L1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925543 | M27C4001-35L1X | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925544 | M27C4001-35L1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925545 | M27C4001-35L6TR | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925546 | M27C4001-35L6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925547 | M27C4001-35L6X | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925548 | M27C4001-35L6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925549 | M27C4001-35N1TR | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925550 | M27C4001-35N1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925551 | M27C4001-35N1X | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925552 | M27C4001-35N1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925553 | M27C4001-35N6TR | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925554 | M27C4001-35N6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925555 | M27C4001-35N6X | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925556 | M27C4001-35N6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925557 | M27C4001-35XB1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925558 | M27C4001-35XB1X | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925559 | M27C4001-35XB1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925560 | M27C4001-35XB6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
