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| PartNumber | AT45DQ321-SHF2B-T | AT45DQ321-SHF-T | AT45DQ321-SHF-B |
| Description | NOR Flash 32M, 85MHz 2.5-3.6V Serial Flash | NOR Flash 32M, 85MHz 2.3-3.6V Serial Flash | NOR Flash 32M, 85MHz 2.3-3.6V 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 | SOIC-8 | SOIC-8 | SOIC-8 |
| Series | AT45DQ321 | AT45DQ321 | AT45DQ321 |
| Memory Size | 32 Mbit | 32 Mbit | 32 Mbit |
| Maximum Clock Frequency | 104 MHz | 104 MHz | 104 MHz |
| Interface Type | SPI | SPI | SPI |
| Organization | 4 M x 8 | 4 M x 8 | 4 M x 8 |
| Timing Type | Synchronous | Synchronous | Synchronous |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Supply Voltage Min | 2.3 V | 2.3 V | 2.3 V |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Supply Current Max | 26 mA | 26 mA | 26 mA |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Reel | Reel | Tube |
| Memory Type | NOR | NOR | NOR |
| Speed | 104 MHz | 104 MHz | 104 MHz |
| Architecture | Chip Erase | Chip Erase | Chip Erase |
| Brand | Adesto Technologies | Adesto Technologies | Adesto Technologies |
| Product Type | NOR Flash | NOR Flash | NOR Flash |
| Factory Pack Quantity | 2000 | 2000 | 90 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Tradename | DataFlash | DataFlash | DataFlash |
| Unit Weight | 0.019048 oz | 0.019048 oz | 0.019048 oz |