| 925601 | M27C4001-45C1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925602 | M27C4001-45C1X | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 925603 | M27C4001-45C1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925604 | M27C4001-45C6TR | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 925605 | M27C4001-45C6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925606 | M27C4001-45C6X | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 925607 | M27C4001-45C6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925608 | M27C4001-45F1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925609 | M27C4001-45F1X | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 925610 | M27C4001-45F1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925611 | M27C4001-45F6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925612 | M27C4001-45F6X | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 925613 | M27C4001-45F6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925614 | M27C4001-45L1TR | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 925615 | M27C4001-45L1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925616 | M27C4001-45L1X | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 925617 | M27C4001-45L1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925618 | M27C4001-45L6TR | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 925619 | M27C4001-45L6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
|
| 925620 | M27C4001-45L6X | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 925621 | M27C4001-45L6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925622 | M27C4001-45N1TR | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 925623 | M27C4001-45N1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925624 | M27C4001-45N1X | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 925625 | M27C4001-45N1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925626 | M27C4001-45N6TR | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 925627 | M27C4001-45N6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925628 | M27C4001-45N6X | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 925629 | M27C4001-45N6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925630 | M27C4001-45XB1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925631 | M27C4001-45XB1X | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 925632 | M27C4001-45XB1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925633 | M27C4001-45XB6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925634 | M27C4001-45XB6X | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 925635 | M27C4001-45XB6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925636 | M27C4001-45XC1TR | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 925637 | M27C4001-45XC1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925638 | M27C4001-45XC1X | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 925639 | M27C4001-45XC1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925640 | M27C4001-45XC6TR | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
