| No. | Nome della parte | Descrizione | Fabbricatore |
| 679041 | M27C4001-45XF6X | 4 Mbit 512Kb x 8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679042 | M27C4001-45XF6X | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 679043 | M27C4001-45XL1TR | 4 Mbit 512Kb x 8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679044 | M27C4001-45XL1TR | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 679045 | M27C4001-45XL1X | 4 Mbit 512Kb x 8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679046 | M27C4001-45XL1X | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 679047 | M27C4001-45XL6TR | 4 Mbit 512Kb x 8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679048 | M27C4001-45XL6TR | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 679049 | M27C4001-45XL6X | 4 Mbit 512Kb x 8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679050 | M27C4001-45XL6X | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 679051 | M27C4001-45XN1TR | 4 Mbit 512Kb x 8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679052 | M27C4001-45XN1TR | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 679053 | M27C4001-45XN1X | 4 Mbit 512Kb x 8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679054 | M27C4001-45XN1X | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 679055 | M27C4001-45XN6TR | 4 Mbit 512Kb x 8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679056 | M27C4001-45XN6TR | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 679057 | M27C4001-45XN6X | 4 Mbit 512Kb x 8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679058 | M27C4001-45XN6X | 4 Mbit (512Kb x 8) EPROM, 45ns | SGS Thomson Microelectronics |
| 679059 | M27C4001-55B1TR | 4 Mbit 512Kb x 8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679060 | M27C4001-55B1X | 4 Mbit 512Kb x 8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679061 | M27C4001-55B1X | 4 Mbit (512Kb x 8) EPROM, 55ns | SGS Thomson Microelectronics |
| 679062 | M27C4001-55B6TR | 4 Mbit 512Kb x 8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679063 | M27C4001-55B6X | 4 Mbit 512Kb x 8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679064 | M27C4001-55B6X | 4 Mbit (512Kb x 8) EPROM, 55ns | SGS Thomson Microelectronics |
| 679065 | M27C4001-55C1 | 4 MBIT (512KB X8) ROM UV DI OTP E DI EPROM | ST Microelectronics |
| 679066 | M27C4001-55C1TR | 4 Mbit 512Kb x 8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679067 | M27C4001-55C1TR | 4 Mbit (512Kb x 8) EPROM, 55ns | SGS Thomson Microelectronics |
| 679068 | M27C4001-55C1X | 4 Mbit 512Kb x 8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679069 | M27C4001-55C1X | 4 Mbit (512Kb x 8) EPROM, 55ns | SGS Thomson Microelectronics |
| 679070 | M27C4001-55C6TR | 4 Mbit 512Kb x 8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679071 | M27C4001-55C6TR | 4 Mbit (512Kb x 8) EPROM, 55ns | SGS Thomson Microelectronics |
| 679072 | M27C4001-55C6X | 4 Mbit 512Kb x 8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679073 | M27C4001-55C6X | 4 Mbit (512Kb x 8) EPROM, 55ns | SGS Thomson Microelectronics |
| 679074 | M27C4001-55F1TR | 4 Mbit 512Kb x 8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679075 | M27C4001-55F1X | 4 Mbit 512Kb x 8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679076 | M27C4001-55F1X | 4 Mbit (512Kb x 8) EPROM, 55ns | SGS Thomson Microelectronics |
| 679077 | M27C4001-55F6TR | 4 Mbit 512Kb x 8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679078 | M27C4001-55F6X | 4 Mbit 512Kb x 8 EPROM ed OTP UV EPROM | ST Microelectronics |
| 679079 | M27C4001-55F6X | 4 Mbit (512Kb x 8) EPROM, 55ns | SGS Thomson Microelectronics |
| 679080 | M27C4001-55L1TR | 4 Mbit 512Kb x 8 EPROM ed OTP UV EPROM | ST Microelectronics |
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