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| PartNumber | AT49F1025-70JI | AT49F1025-55JI | AT49F1025-70JC |
| Description | NOR Flash 1M (64kx16) | NOR Flash 1M (64kx16) | NOR Flash 1M (64kx16) |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | NOR Flash | NOR Flash | NOR Flash |
| RoHS | N | N | N |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | PLCC-44 | PLCC-44 | PLCC-44 |
| Series | AT49F | AT49F | AT49F |
| Memory Size | 1 Mbit | 1 Mbit | 1 Mbit |
| Interface Type | Parallel | Parallel | Parallel |
| Organization | 64 k x 16 | 64 k x 16 | 64 k x 16 |
| Timing Type | Asynchronous | Asynchronous | Asynchronous |
| Data Bus Width | 16 bit | 16 bit | 16 bit |
| Supply Voltage Min | 4.5 V | 4.5 V | 4.5 V |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Current Max | 50 mA | 50 mA | 50 mA |
| Minimum Operating Temperature | - 40 C | - 40 C | 0 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 70 C |
| Memory Type | NOR | NOR | NOR |
| Speed | 70 ns | 55 ns | 70 ns |
| Architecture | Sector | Sector | Sector |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Product Type | NOR Flash | NOR Flash | NOR Flash |
| Standard | Not Supported | Not Supported | Not Supported |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | 0.084185 oz | 0.084185 oz | 0.084185 oz |
| Factory Pack Quantity | - | - | 27 |