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| PartNumber | AT27LV512A-90RI | AT27LV512A-90RC | AT27LV512A-90RU |
| Description | EPROM 512Kb (64Kx8) OTP 3V 90ns | IC EPROM 512K PARALLEL 28SOIC | IC EPROM 512K PARALLEL 28SOIC |
| Manufacturer | Microchip | - | - |
| Product Category | EPROM | - | - |
| RoHS | E | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | SOIC-28 | - | - |
| Type | OTP | - | - |
| Memory Size | 512 kb | - | - |
| Organization | 64 k x 8 | - | - |
| Interface Type | Parallel | - | - |
| Operating Supply Current | 20 mA | - | - |
| Programming Voltage | 13 V | - | - |
| Supply Voltage Max | 3.6 V, 5.5 V | - | - |
| Supply Voltage Min | 3 V, 4.5 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Access Time | 90 ns | - | - |
| Brand | Microchip Technology / Atmel | - | - |
| Operating Supply Voltage | 3.3 V, 5 V | - | - |
| Output Enable Access Time | 50 ns | - | - |
| Product Type | EPROM | - | - |
| Factory Pack Quantity | 26 | - | - |
| Subcategory | Memory & Data Storage | - | - |
| Unit Weight | 0.078125 oz | - | - |