| 923321 | M27C1024-55XB3X | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
| 923322 | M27C1024-55XB6 | 1-Mbit (64Kb x16) OTP EPROM, 55ns | SGS Thomson Microelectronics |
| 923323 | M27C1024-55XB6TR | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
| 923324 | M27C1024-55XB6X | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
| 923325 | M27C1024-55XB7 | 1-Mbit (64Kb x16) OTP EPROM, 55ns | SGS Thomson Microelectronics |
| 923326 | M27C1024-55XB7TR | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
| 923327 | M27C1024-55XB7X | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
| 923328 | M27C1024-55XC1TR | 1-Mbit (64Kb x16) OTP EPROM, 55ns | SGS Thomson Microelectronics |
| 923329 | M27C1024-55XC1TR | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
| 923330 | M27C1024-55XC1X | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
| 923331 | M27C1024-55XC3TR | 1-Mbit (64Kb x16) OTP EPROM, 55ns | SGS Thomson Microelectronics |
| 923332 | M27C1024-55XC3TR | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
| 923333 | M27C1024-55XC3X | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
| 923334 | M27C1024-55XC6TR | 1-Mbit (64Kb x16) OTP EPROM, 55ns | SGS Thomson Microelectronics |
| 923335 | M27C1024-55XC6TR | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
| 923336 | M27C1024-55XC6X | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
| 923337 | M27C1024-55XC7TR | 1-Mbit (64Kb x16) OTP EPROM, 55ns | SGS Thomson Microelectronics |
| 923338 | M27C1024-55XC7TR | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
| 923339 | M27C1024-55XC7X | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
|
| 923340 | M27C1024-55XF1 | 1-Mbit (64Kb x16) UV EPROM, 55ns | SGS Thomson Microelectronics |
| 923341 | M27C1024-55XF1TR | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
| 923342 | M27C1024-55XF1X | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
| 923343 | M27C1024-55XF3 | 1-Mbit (64Kb x16) UV EPROM, 55ns | SGS Thomson Microelectronics |
| 923344 | M27C1024-55XF3TR | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
| 923345 | M27C1024-55XF3X | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
| 923346 | M27C1024-55XF6 | 1-Mbit (64Kb x16) UV EPROM, 55ns | SGS Thomson Microelectronics |
| 923347 | M27C1024-55XF6TR | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
| 923348 | M27C1024-55XF6X | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
| 923349 | M27C1024-55XF7 | 1-Mbit (64Kb x16) UV EPROM, 55ns | SGS Thomson Microelectronics |
| 923350 | M27C1024-55XF7TR | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
| 923351 | M27C1024-55XF7X | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
| 923352 | M27C1024-55XN1TR | 1-Mbit (64Kb x16) OTP EPROM, 55ns | SGS Thomson Microelectronics |
| 923353 | M27C1024-55XN1TR | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
| 923354 | M27C1024-55XN1X | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
| 923355 | M27C1024-55XN3TR | 1-Mbit (64Kb x16) OTP EPROM, 55ns | SGS Thomson Microelectronics |
| 923356 | M27C1024-55XN3TR | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
| 923357 | M27C1024-55XN3X | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
| 923358 | M27C1024-55XN6TR | 1-Mbit (64Kb x16) OTP EPROM, 55ns | SGS Thomson Microelectronics |
| 923359 | M27C1024-55XN6TR | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
| 923360 | M27C1024-55XN6X | 1 Mbit 64Kb x16 UV EPROM and OTP EPROM | ST Microelectronics |
