| PartNumber | AT27LV256A-55JI | AT27LV256A-55RI | AT27LV256A-55JU |
| Description | EPROM 256Kb (32Kx8) OTP 3V 55ns | EPROM 256Kb (32Kx8) OTP 3V 55ns | EPROM 256Kb (32Kx8) OTP 3V 55ns |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | EPROM | EPROM | EPROM |
| RoHS | E | E | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | PLCC-32 | SOIC-28 | PLCC-32 |
| Type | OTP | OTP | OTP |
| Memory Size | 256 kbit | 256 kbit | 256 kbit |
| Organization | 32 k x 8 | 32 k x 8 | 32 k x 8 |
| Interface Type | Parallel | Parallel | Parallel |
| Operating Supply Current | 20 mA | 20 mA | 20 mA |
| Programming Voltage | 13 V | 13 V | 13 V |
| Supply Voltage Max | 3.6 V, 5.5 V | 3.6 V, 5.5 V | 3.6 V, 5.5 V |
| Supply Voltage Min | 3 V, 4.5 V | 3 V, 4.5 V | 3 V, 4.5 V |
| Minimum Operating Temperature | - 40 C | 0 C | 0 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Series | AT27LV256A | AT27LV256A | AT27LV256A |
| Access Time | 55 ns | 55 ns | 55 ns |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Operating Supply Voltage | 3.3 V, 5 V | 3.3 V, 5 V | 3.3 V, 5 V |
| Output Enable Access Time | 35 ns | 35 ns | 35 ns |
| Product Type | EPROM | EPROM | EPROM |
| Factory Pack Quantity | 32 | 26 | 32 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | - | 0.078125 oz | - |