| Nr. | Part Name | Description | Manufacturer by |
| 679241 | M27C4001-80N6TR | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 679242 | M27C4001-80N6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 679243 | M27C4001-80N6X | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 679244 | M27C4001-80XB1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 679245 | M27C4001-80XB1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 679246 | M27C4001-80XB1X | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 679247 | M27C4001-80XB6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 679248 | M27C4001-80XB6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 679249 | M27C4001-80XB6X | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 679250 | M27C4001-80XC1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 679251 | M27C4001-80XC1TR | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 679252 | M27C4001-80XC1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 679253 | M27C4001-80XC1X | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 679254 | M27C4001-80XC6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 679255 | M27C4001-80XC6TR | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 679256 | M27C4001-80XC6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 679257 | M27C4001-80XC6X | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 679258 | M27C4001-80XF1 | 4 MBIT (512KB X8) UV EPROM AND OTP ROM | ST Microelectronics |
| 679259 | M27C4001-80XF1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 679260 | M27C4001-80XF1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 679261 | M27C4001-80XF1X | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 679262 | M27C4001-80XF6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 679263 | M27C4001-80XF6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 679264 | M27C4001-80XF6X | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 679265 | M27C4001-80XL1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 679266 | M27C4001-80XL1TR | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 679267 | M27C4001-80XL1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 679268 | M27C4001-80XL1X | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 679269 | M27C4001-80XL6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 679270 | M27C4001-80XL6TR | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 679271 | M27C4001-80XL6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 679272 | M27C4001-80XL6X | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 679273 | M27C4001-80XN1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 679274 | M27C4001-80XN1TR | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 679275 | M27C4001-80XN1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 679276 | M27C4001-80XN1X | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 679277 | M27C4001-80XN6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 679278 | M27C4001-80XN6TR | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
| 679279 | M27C4001-80XN6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 679280 | M27C4001-80XN6X | 4 Mbit (512Kb x 8) EPROM, 80ns | SGS Thomson Microelectronics |
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