| Part name | Description | Manufacturer | Package | Pins | Temp. Range | PDF datasheet |
| M27C4001-15C6X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS-Thomson Microelectronics | PLCC | 32 | -40°C | 85°C | M27C4001-15C6X datasheet (113K) |
| M27C4001-15F1X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS-Thomson Microelectronics | FDIP | 32 | 0°C | 70°C | M27C4001-15F1X datasheet (113K) |
| M27C4001-15L1TR | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS-Thomson Microelectronics | LCCC | 32 | 0°C | 70°C | M27C4001-15L1TR datasheet (113K) |
| M27C4001-15L1X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS-Thomson Microelectronics | LCCC | 32 | 0°C | 70°C | M27C4001-15L1X datasheet (113K) |
| M27C4001-15L6TR | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS-Thomson Microelectronics | LCCC | 32 | -40°C | 85°C | M27C4001-15L6TR datasheet (113K) |
| M27C4001-15L6X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS-Thomson Microelectronics | LCCC | 32 | -40°C | 85°C | M27C4001-15L6X datasheet (113K) |
| M27C4001-15N1TR | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS-Thomson Microelectronics | TSOP | 32 | 0°C | 70°C | M27C4001-15N1TR datasheet (113K) |
| M27C4001-15N1X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS-Thomson Microelectronics | TSOP | 32 | 0°C | 70°C | M27C4001-15N1X datasheet (113K) |
| M27C4001-15N6TR | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS-Thomson Microelectronics | TSOP | 32 | -40°C | 85°C | M27C4001-15N6TR datasheet (113K) |
| M27C4001-15N6X | 4 Mbit (512Kb x 8) EPROM, 150ns | SGS-Thomson Microelectronics | TSOP | 32 | -40°C | 85°C | M27C4001-15N6X datasheet (113K) |
