| 925841 | M27C4001-80L6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925842 | M27C4001-80N1TR | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 925843 | M27C4001-80N1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925844 | M27C4001-80N1X | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 925845 | M27C4001-80N1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925846 | M27C4001-80N6 | 4 MBIT (512KB X8) UV EPROM AND OTP ROM | ST Microelectronics |
| 925847 | M27C4001-80N6TR | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 925848 | M27C4001-80N6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925849 | M27C4001-80N6X | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 925850 | M27C4001-80N6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925851 | M27C4001-80XB1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925852 | M27C4001-80XB1X | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 925853 | M27C4001-80XB1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925854 | M27C4001-80XB6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925855 | M27C4001-80XB6X | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 925856 | M27C4001-80XB6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925857 | M27C4001-80XC1TR | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 925858 | M27C4001-80XC1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925859 | M27C4001-80XC1X | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
|
| 925860 | M27C4001-80XC1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925861 | M27C4001-80XC6TR | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 925862 | M27C4001-80XC6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925863 | M27C4001-80XC6X | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 925864 | M27C4001-80XC6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925865 | M27C4001-80XF1 | 4 MBIT (512KB X8) UV EPROM AND OTP ROM | ST Microelectronics |
| 925866 | M27C4001-80XF1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925867 | M27C4001-80XF1X | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 925868 | M27C4001-80XF1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925869 | M27C4001-80XF6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925870 | M27C4001-80XF6X | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 925871 | M27C4001-80XF6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925872 | M27C4001-80XL1TR | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 925873 | M27C4001-80XL1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925874 | M27C4001-80XL1X | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 925875 | M27C4001-80XL1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925876 | M27C4001-80XL6TR | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 925877 | M27C4001-80XL6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925878 | M27C4001-80XL6X | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 925879 | M27C4001-80XL6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925880 | M27C4001-80XN1TR | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
