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| PartNumber | AT27C040-12JC | AT27C040-12 | AT27C040-12DM/883C |
| Description | EPROM 4M bit | ||
| Manufacturer | Microchip | - | - |
| Product Category | EPROM | - | - |
| RoHS | N | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | PLCC-32 | - | - |
| Type | OTP | - | - |
| Memory Size | 4 MB | - | - |
| Organization | 512 k x 8 | - | - |
| Interface Type | Parallel | - | - |
| Operating Supply Current | 30 mA | - | - |
| Programming Voltage | 13 V | - | - |
| Supply Voltage Min | 4.5 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Series | AT27C040 | - | - |
| Access Time | 120 ns | - | - |
| Brand | Microchip Technology / Atmel | - | - |
| Operating Supply Voltage | 2.7 V to 3.6 V | - | - |
| Output Enable Access Time | 35 ns | - | - |
| Product Type | EPROM | - | - |
| Factory Pack Quantity | 32 | - | - |
| Subcategory | Memory & Data Storage | - | - |