| Nr. | Part Name | Description | Manufacturer by |
| 678841 | M27C4001-12XN6X | 4 Mbit (512Kb x 8) EPROM, 120ns | SGS Thomson Microelectronics |
| 678842 | M27C4001-15B1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 678843 | M27C4001-15B1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 678844 | M27C4001-15B1X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 678845 | M27C4001-15B6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 678846 | M27C4001-15B6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 678847 | M27C4001-15B6X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 678848 | M27C4001-15C1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 678849 | M27C4001-15C1TR | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 678850 | M27C4001-15C1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 678851 | M27C4001-15C1X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 678852 | M27C4001-15C6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 678853 | M27C4001-15C6TR | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 678854 | M27C4001-15C6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 678855 | M27C4001-15C6X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 678856 | M27C4001-15F1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 678857 | M27C4001-15F1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 678858 | M27C4001-15F1X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 678859 | M27C4001-15F6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 678860 | M27C4001-15F6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 678861 | M27C4001-15F6X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 678862 | M27C4001-15L1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 678863 | M27C4001-15L1TR | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 678864 | M27C4001-15L1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 678865 | M27C4001-15L1X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 678866 | M27C4001-15L6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 678867 | M27C4001-15L6TR | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 678868 | M27C4001-15L6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 678869 | M27C4001-15L6X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 678870 | M27C4001-15N1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 678871 | M27C4001-15N1TR | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 678872 | M27C4001-15N1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 678873 | M27C4001-15N1X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 678874 | M27C4001-15N6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 678875 | M27C4001-15N6TR | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 678876 | M27C4001-15N6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 678877 | M27C4001-15N6X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
| 678878 | M27C4001-15XB1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 678879 | M27C4001-15XB1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 678880 | M27C4001-15XB1X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS Thomson Microelectronics |
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