| 925321 | M27C4001-10L1X | 4 Mbit (512Kb x 8) EPROM, 100ns | SGS Thomson Microelectronics |
| 925322 | M27C4001-10L1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925323 | M27C4001-10L6TR | 4 Mbit (512Kb x 8) EPROM, 100ns | SGS Thomson Microelectronics |
| 925324 | M27C4001-10L6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925325 | M27C4001-10L6X | 4 Mbit (512Kb x 8) EPROM, 100ns | SGS Thomson Microelectronics |
| 925326 | M27C4001-10L6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925327 | M27C4001-10N1TR | 4 Mbit (512Kb x 8) EPROM, 100ns | SGS Thomson Microelectronics |
| 925328 | M27C4001-10N1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925329 | M27C4001-10N1X | 4 Mbit (512Kb x 8) EPROM, 100ns | SGS Thomson Microelectronics |
| 925330 | M27C4001-10N1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925331 | M27C4001-10N6TR | 4 Mbit (512Kb x 8) EPROM, 100ns | SGS Thomson Microelectronics |
| 925332 | M27C4001-10N6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925333 | M27C4001-10N6X | 4 Mbit (512Kb x 8) EPROM, 100ns | SGS Thomson Microelectronics |
| 925334 | M27C4001-10N6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925335 | M27C4001-10XB1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925336 | M27C4001-10XB1X | 4 Mbit (512Kb x 8) EPROM, 100ns | SGS Thomson Microelectronics |
| 925337 | M27C4001-10XB1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925338 | M27C4001-10XB6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925339 | M27C4001-10XB6X | 4 Mbit (512Kb x 8) EPROM, 100ns | SGS Thomson Microelectronics |
|
| 925340 | M27C4001-10XB6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925341 | M27C4001-10XC1TR | 4 Mbit (512Kb x 8) EPROM, 100ns | SGS Thomson Microelectronics |
| 925342 | M27C4001-10XC1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925343 | M27C4001-10XC1X | 4 Mbit (512Kb x 8) EPROM, 100ns | SGS Thomson Microelectronics |
| 925344 | M27C4001-10XC1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925345 | M27C4001-10XC6TR | 4 Mbit (512Kb x 8) EPROM, 100ns | SGS Thomson Microelectronics |
| 925346 | M27C4001-10XC6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925347 | M27C4001-10XC6X | 4 Mbit (512Kb x 8) EPROM, 100ns | SGS Thomson Microelectronics |
| 925348 | M27C4001-10XC6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925349 | M27C4001-10XF1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925350 | M27C4001-10XF1X | 4 Mbit (512Kb x 8) EPROM, 100ns | SGS Thomson Microelectronics |
| 925351 | M27C4001-10XF1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925352 | M27C4001-10XF6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925353 | M27C4001-10XF6X | 4 Mbit (512Kb x 8) EPROM, 100ns | SGS Thomson Microelectronics |
| 925354 | M27C4001-10XF6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925355 | M27C4001-10XL1TR | 4 Mbit (512Kb x 8) EPROM, 100ns | SGS Thomson Microelectronics |
| 925356 | M27C4001-10XL1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925357 | M27C4001-10XL1X | 4 Mbit (512Kb x 8) EPROM, 100ns | SGS Thomson Microelectronics |
| 925358 | M27C4001-10XL1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925359 | M27C4001-10XL6TR | 4 Mbit (512Kb x 8) EPROM, 100ns | SGS Thomson Microelectronics |
| 925360 | M27C4001-10XL6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
