| PartNumber | AT25DF021-MHF-Y | AT25DF021-MH-Y | AT25DF021-MHF-T |
| Description | NOR Flash 2M, 2.3V, 50Mhz Serial Flash | NOR Flash 2M, 2.7V, 70Mhz Serial Flash | NOR Flash 2M, 2.3V, 50Mhz Serial Flash |
| Manufacturer | Adesto Technologies | Adesto Technologies | Adesto Technologies |
| Product Category | NOR Flash | NOR Flash | NOR Flash |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | UDFN-8 | UDFN-8 | UDFN-8 |
| Series | AT25DF021 | AT25DF021 | AT25DF021 |
| Memory Size | 2 Mbit | 2 Mbit | 2 Mbit |
| Maximum Clock Frequency | 50 MHz | 66 MHz | 50 MHz |
| Interface Type | SPI | SPI | SPI |
| Organization | 256 k x 8 | 256 k x 8 | 256 k x 8 |
| Timing Type | Synchronous | Synchronous | Synchronous |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Supply Voltage Min | 2.3 V | 2.7 V | 2.3 V |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Supply Current Max | 16 mA | 16 mA | 16 mA |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Memory Type | NOR | NOR | NOR |
| Speed | 50 MHz | 66 MHz | 50 MHz |
| Architecture | Flexible Erase | Flexible Erase | Flexible Erase |
| Brand | Adesto Technologies | Adesto Technologies | Adesto Technologies |
| Product Type | NOR Flash | NOR Flash | NOR Flash |
| Factory Pack Quantity | 490 | 490 | 6000 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | 0.000335 oz | 0.000335 oz | 0.000335 oz |
| Packaging | - | Tray | - |
| Standard | - | Not Supported | - |