| 925561 | M27C4001-35XB6X | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925562 | M27C4001-35XB6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925563 | M27C4001-35XC1TR | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925564 | M27C4001-35XC1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925565 | M27C4001-35XC1X | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925566 | M27C4001-35XC1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925567 | M27C4001-35XC6TR | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925568 | M27C4001-35XC6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925569 | M27C4001-35XC6X | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925570 | M27C4001-35XC6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925571 | M27C4001-35XF1 | 4 MBIT (512KB X8) UV EPROM AND OTP ROM | ST Microelectronics |
| 925572 | M27C4001-35XF1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925573 | M27C4001-35XF1X | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925574 | M27C4001-35XF1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925575 | M27C4001-35XF6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925576 | M27C4001-35XF6X | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925577 | M27C4001-35XF6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925578 | M27C4001-35XL1TR | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925579 | M27C4001-35XL1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
|
| 925580 | M27C4001-35XL1X | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925581 | M27C4001-35XL1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925582 | M27C4001-35XL6TR | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925583 | M27C4001-35XL6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925584 | M27C4001-35XL6X | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925585 | M27C4001-35XL6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925586 | M27C4001-35XN1TR | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925587 | M27C4001-35XN1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925588 | M27C4001-35XN1X | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925589 | M27C4001-35XN1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925590 | M27C4001-35XN6TR | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925591 | M27C4001-35XN6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925592 | M27C4001-35XN6X | 4 Mbit (512Kb x 8) EPROM, 35ns | SGS Thomson Microelectronics |
| 925593 | M27C4001-35XN6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925594 | M27C4001-45B1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925595 | M27C4001-45B1X | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 925596 | M27C4001-45B1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925597 | M27C4001-45B6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925598 | M27C4001-45B6X | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 925599 | M27C4001-45B6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925600 | M27C4001-45C1TR | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
