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| PartNumber | AT25DF021-SSH-T | AT25DF021-SSHF-B | AT25DF021-SSH-B |
| Description | NOR Flash 2M, 2.7V, 70Mhz Serial Flash | NOR Flash 2M, 2.3V, 50Mhz Serial Flash | IC FLASH 2M SPI 70MHZ 8SOIC |
| Manufacturer | Adesto Technologies | Adesto Technologies | - |
| Product Category | NOR Flash | NOR Flash | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-8 | SOIC-8 | - |
| Series | AT25DF021 | AT25DF021 | - |
| Memory Size | 2 Mbit | 2 Mbit | - |
| Maximum Clock Frequency | 66 MHz | 50 MHz | - |
| Interface Type | SPI | SPI | - |
| Organization | 256 k x 8 | 256 k x 8 | - |
| Timing Type | Synchronous | Synchronous | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Supply Voltage Min | 2.7 V | 2.3 V | - |
| Supply Voltage Max | 3.6 V | 3.6 V | - |
| Supply Current Max | 16 mA | 16 mA | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Reel | - | - |
| Memory Type | NOR | NOR | - |
| Speed | 66 MHz | 50 MHz | - |
| Architecture | Flexible Erase | Flexible Erase | - |
| Brand | Adesto Technologies | Adesto Technologies | - |
| Product Type | NOR Flash | NOR Flash | - |
| Standard | Not Supported | - | - |
| Factory Pack Quantity | 4000 | 100 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |
| Unit Weight | 0.019048 oz | 0.019048 oz | - |