| 925361 | M27C4001-10XL6X | 4 Mbit (512Kb x 8) EPROM, 100ns | SGS Thomson Microelectronics |
| 925362 | M27C4001-10XL6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925363 | M27C4001-10XN1TR | 4 Mbit (512Kb x 8) EPROM, 100ns | SGS Thomson Microelectronics |
| 925364 | M27C4001-10XN1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925365 | M27C4001-10XN1X | 4 Mbit (512Kb x 8) EPROM, 100ns | SGS Thomson Microelectronics |
| 925366 | M27C4001-10XN1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925367 | M27C4001-10XN6TR | 4 Mbit (512Kb x 8) EPROM, 100ns | SGS Thomson Microelectronics |
| 925368 | M27C4001-10XN6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925369 | M27C4001-10XN6X | 4 Mbit (512Kb x 8) EPROM, 100ns | SGS Thomson Microelectronics |
| 925370 | M27C4001-10XN6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925371 | M27C4001-12B1 | 4 MBIT (512KB X8) UV EPROM AND OTP ROM | ST Microelectronics |
| 925372 | M27C4001-12B1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925373 | M27C4001-12B1X | 4 Mbit (512Kb x 8) EPROM, 120ns | SGS Thomson Microelectronics |
| 925374 | M27C4001-12B1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925375 | M27C4001-12B6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925376 | M27C4001-12B6X | 4 Mbit (512Kb x 8) EPROM, 120ns | SGS Thomson Microelectronics |
| 925377 | M27C4001-12B6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925378 | M27C4001-12C1 | 4 MBIT (512KB X8) UV EPROM AND OTP ROM | ST Microelectronics |
| 925379 | M27C4001-12C1TR | 4 Mbit (512Kb x 8) EPROM, 120ns | SGS Thomson Microelectronics |
|
| 925380 | M27C4001-12C1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925381 | M27C4001-12C1X | 4 Mbit (512Kb x 8) EPROM, 120ns | SGS Thomson Microelectronics |
| 925382 | M27C4001-12C1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925383 | M27C4001-12C6 | 4 MBIT (512KB X8) UV EPROM AND OTP ROM | ST Microelectronics |
| 925384 | M27C4001-12C6TR | 4 Mbit (512Kb x 8) EPROM, 120ns | SGS Thomson Microelectronics |
| 925385 | M27C4001-12C6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925386 | M27C4001-12C6X | 4 Mbit (512Kb x 8) EPROM, 120ns | SGS Thomson Microelectronics |
| 925387 | M27C4001-12C6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925388 | M27C4001-12F | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925389 | M27C4001-12F1 | 4 MBIT (512KB X8) UV EPROM AND OTP ROM | ST Microelectronics |
| 925390 | M27C4001-12F1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925391 | M27C4001-12F1X | 4 Mbit (512Kb x 8) EPROM, 120ns | SGS Thomson Microelectronics |
| 925392 | M27C4001-12F1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925393 | M27C4001-12F6 | 4 MBIT (512KB X8) UV EPROM AND OTP ROM | ST Microelectronics |
| 925394 | M27C4001-12F6TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925395 | M27C4001-12F6X | 4 Mbit (512Kb x 8) EPROM, 120ns | SGS Thomson Microelectronics |
| 925396 | M27C4001-12F6X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925397 | M27C4001-12L1TR | 4 Mbit (512Kb x 8) EPROM, 120ns | SGS Thomson Microelectronics |
| 925398 | M27C4001-12L1TR | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
| 925399 | M27C4001-12L1X | 4 Mbit (512Kb x 8) EPROM, 120ns | SGS Thomson Microelectronics |
| 925400 | M27C4001-12L1X | 4 Mbit 512Kb x 8 UV EPROM and OTP EPROM | ST Microelectronics |
