| PartNumber | AT27BV040-12JI | AT27BV040-12JU | AT27BV040-12JC |
| Description | EPROM 4Mb (512Kx8) OTP 2.7-3.6V 120ns | EPROM 4Mb (512Kx8) OTP 2.7-3.6V 120ns | IC EPROM 4M PARALLEL 32PLCC |
| Manufacturer | Microchip | Microchip | - |
| Product Category | EPROM | EPROM | - |
| RoHS | E | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | PLCC-32 | PLCC-32 | - |
| Type | OTP | OTP | - |
| Memory Size | 4 Mbit | 4 Mbit | - |
| Organization | 512 k x 8 | 512 k x 8 | - |
| Interface Type | Parallel | Parallel | - |
| Operating Supply Current | 30 mA | 30 mA | - |
| Programming Voltage | 13 V | 13 V | - |
| Supply Voltage Max | 3.6 V, 5.5 V | 3.6 V, 5.5 V | - |
| Supply Voltage Min | 2.7 V, 4.5 V | 2.7 V, 4.5 V | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Access Time | 120 ns | 120 ns | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Operating Supply Voltage | 3.3 V, 5 V | 3.3 V, 5 V | - |
| Output Enable Access Time | 50 ns | 50 ns | - |
| Product Type | EPROM | EPROM | - |
| Factory Pack Quantity | 32 | 32 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |