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| PartNumber | AT45DB021E-MHN-T | AT45DB021E-DWF | AT45DB021E- SSHN |
| Description | NOR Flash 2M 1.65-3.6V 70Mhz Data Flash | NOR Flash Die in Wafer Form | |
| Manufacturer | Adesto Technologies | Adesto Technologies | - |
| Product Category | NOR Flash | NOR Flash | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | UDFN-8 | Die | - |
| Series | AT45DB021E | AT45DB021E | - |
| Memory Size | 2 Mbit | 2 Mbit | - |
| Maximum Clock Frequency | 70 MHz | 70 MHz | - |
| Interface Type | SPI | I2C | - |
| Organization | 256 k x 8 | 256 k x 8 | - |
| Timing Type | Synchronous | - | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Supply Voltage Min | 1.65 V | 1.65 V | - |
| Supply Voltage Max | 3.6 V | 3.6 V | - |
| Supply Current Max | 15 mA | 15 mA | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Reel | - | - |
| Memory Type | NOR | NOR | - |
| Speed | 70 MHz | 70 MHz | - |
| Architecture | Chip Erase | Flexible Erase | - |
| Brand | Adesto Technologies | Adesto Technologies | - |
| Product Type | NOR Flash | NOR Flash | - |
| Factory Pack Quantity | 6000 | 1 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |
| Tradename | DataFlash | DataFlash | - |
| Unit Weight | 0.000335 oz | - | - |
| RoHS | - | Y | - |