| PartNumber | M27C4001-12B1 | M27C4001-12C1 | M27C4001-12F1 |
| Description | EPROM 4M (512Kx8) 120ns | EPROM 4M (512Kx8) 120ns | IC EPROM 4M PARALLEL 32CDIP |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | EPROM | EPROM | Memory |
| RoHS | N | N | - |
| Mounting Style | Through Hole | SMD/SMT | - |
| Package / Case | PDIP-32 | PLCC-32 | - |
| Type | OTP, UV | OTP, UV | - |
| Memory Size | 4 MB | 4 MB | 4M (512K x 8) |
| Organization | 512 k x 8 | 512 k x 8 | - |
| Interface Type | Parallel | Parallel | - |
| Operating Supply Current | 50 mA | 50 mA | - |
| Programming Voltage | 12.75 V | 12.75 V | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Minimum Operating Temperature | - 40 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Series | M27C4001 | M27C4001 | - |
| Packaging | Tube | Tube | Tube |
| Access Time | 120 ns | 120 ns | - |
| Brand | STMicroelectronics | STMicroelectronics | - |
| Operating Supply Voltage | 5 V | 5 V | - |
| Output Enable Access Time | 50 ns | 50 ns | - |
| Product Type | EPROM | EPROM | - |
| Factory Pack Quantity | 12 | 320 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |
| Unit Weight | 0.078125 oz | - | - |
| Moisture Sensitive | - | Yes | - |
| Package Case | - | - | 32-CDIP (0.600", 15.24mm) Window |
| Operating Temperature | - | - | 0°C ~ 70°C (TA) |
| Interface | - | - | Parallel |
| Voltage Supply | - | - | 4.5 V ~ 5.5 V |
| Supplier Device Package | - | - | 32-CDIP Frit Seal with Window |
| Memory Type | - | - | EPROM UV |
| Speed | - | - | 120ns |
| Format Memory | - | - | EPROMs |