| No. | Nome della parte | Descrizione | Fabbricatore |
| 679921 | M27C512-12N6 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 679922 | M27C512-12N6 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 679923 | M27C512-12N6 | 512 KBytes (64 KB x 8) EPROM, 5V, 120ns | SGS Thomson Microelectronics |
| 679924 | M27C512-12N6TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679925 | M27C512-12N6TR | 512 KBytes (64 KB x 8) EPROM, 5V, 120ns | SGS Thomson Microelectronics |
| 679926 | M27C512-12N6X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679927 | M27C512-12XB1 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 679928 | M27C512-12XB1 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 679929 | M27C512-12XB1 | 512 KBytes (64 KB x 8) EPROM, 5V, 120ns | SGS Thomson Microelectronics |
| 679930 | M27C512-12XB1TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679931 | M27C512-12XB1X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679932 | M27C512-12XB3 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 679933 | M27C512-12XB3 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 679934 | M27C512-12XB3 | 512 KBytes (64 KB x 8) EPROM, 5V, 120ns | SGS Thomson Microelectronics |
| 679935 | M27C512-12XB3TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679936 | M27C512-12XB3X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679937 | M27C512-12XB6 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 679938 | M27C512-12XB6 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 679939 | M27C512-12XB6 | 512 KBytes (64 KB x 8) EPROM, 5V, 120ns | SGS Thomson Microelectronics |
| 679940 | M27C512-12XB6TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679941 | M27C512-12XB6X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679942 | M27C512-12XC1 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 679943 | M27C512-12XC1 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 679944 | M27C512-12XC1 | 512 KBytes (64 KB x 8) EPROM, 5V, 120ns | SGS Thomson Microelectronics |
| 679945 | M27C512-12XC1TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679946 | M27C512-12XC1TR | 512 KBytes (64 KB x 8) EPROM, 5V, 120ns | SGS Thomson Microelectronics |
| 679947 | M27C512-12XC1X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679948 | M27C512-12XC3 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 679949 | M27C512-12XC3 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 679950 | M27C512-12XC3 | 512 KBytes (64 KB x 8) EPROM, 5V, 120ns | SGS Thomson Microelectronics |
| 679951 | M27C512-12XC3TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679952 | M27C512-12XC3TR | 512 KBytes (64 KB x 8) EPROM, 5V, 120ns | SGS Thomson Microelectronics |
| 679953 | M27C512-12XC3X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679954 | M27C512-12XC6 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 679955 | M27C512-12XC6 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
| 679956 | M27C512-12XC6 | 512 KBytes (64 KB x 8) EPROM, 5V, 120ns | SGS Thomson Microelectronics |
| 679957 | M27C512-12XC6TR | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679958 | M27C512-12XC6TR | 512 KBytes (64 KB x 8) EPROM, 5V, 120ns | SGS Thomson Microelectronics |
| 679959 | M27C512-12XC6X | 512 Kbit 64Kb x8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679960 | M27C512-12XF1 | 512 Kbit (64K x8) EPROM UV ed OTP EPROM | ST Microelectronics |
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