| PartNumber | AT27LV256A-90RI | AT27LV256A-90RC | AT27LV256A-90RU |
| Description | EPROM 256Kb (32Kx8) OTP 3V 90ns | EPROM 256k bit | IC EPROM 256K PARALLEL 28SOIC |
| Manufacturer | Microchip | Microchip | - |
| Product Category | EPROM | EPROM | - |
| RoHS | E | N | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-28 | SOIC-28 | - |
| Type | OTP | OTP | - |
| Memory Size | 256 kbit | 256 kbit | - |
| Organization | 32 k x 8 | 32 k x 8 | - |
| Interface Type | Parallel | Parallel | - |
| Operating Supply Current | 20 mA | 20 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 | 3 V, 4.5 V | 3 V, 4.5 V | - |
| Minimum Operating Temperature | 0 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Series | AT27LV256A | AT27LV256A | - |
| Access Time | 55 ns | 90 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 | 26 | 26 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |
| Unit Weight | 0.078125 oz | 0.078125 oz | - |