| 925481 | M27C4001-15N6TR | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 925482 | M27C4001-15N6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925483 | M27C4001-15N6X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 925484 | M27C4001-15N6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925485 | M27C4001-15XB1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925486 | M27C4001-15XB1X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 925487 | M27C4001-15XB1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925488 | M27C4001-15XB6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925489 | M27C4001-15XB6X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 925490 | M27C4001-15XB6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925491 | M27C4001-15XC1TR | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 925492 | M27C4001-15XC1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925493 | M27C4001-15XC1X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 925494 | M27C4001-15XC1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925495 | M27C4001-15XC6TR | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 925496 | M27C4001-15XC6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925497 | M27C4001-15XC6X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 925498 | M27C4001-15XC6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925499 | M27C4001-15XF1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
|
| 925500 | M27C4001-15XF1X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 925501 | M27C4001-15XF1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925502 | M27C4001-15XF6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925503 | M27C4001-15XF6X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 925504 | M27C4001-15XF6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925505 | M27C4001-15XL1TR | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 925506 | M27C4001-15XL1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925507 | M27C4001-15XL1X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 925508 | M27C4001-15XL1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925509 | M27C4001-15XL6TR | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 925510 | M27C4001-15XL6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925511 | M27C4001-15XL6X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 925512 | M27C4001-15XL6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925513 | M27C4001-15XN1TR | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 925514 | M27C4001-15XN1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925515 | M27C4001-15XN1X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 925516 | M27C4001-15XN1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925517 | M27C4001-15XN6TR | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 925518 | M27C4001-15XN6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925519 | M27C4001-15XN6X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 925520 | M27C4001-15XN6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
