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| PartNumber | AT45DQ321-CCUF-T | AT45DQ321-CCUD-T | AT45DQ321-MHD-T |
| Description | NOR Flash 9Ball BGA, IND TEMP, QUAD, 2.3V, T&R | NOR Flash 32M, 85MHz 2.5-3.6V Serial Flash | NOR Flash 32M, 85MHz 2.5-3.6V Serial Flash |
| Manufacturer | Adesto Technologies | Adesto Technologies | Adesto Technologies |
| Product Category | NOR Flash | NOR Flash | NOR Flash |
| RoHS | Y | Y | Y |
| Series | AT45DQ321 | AT45DQ321 | AT45DQ321 |
| Packaging | Reel | Reel | Reel |
| Brand | Adesto Technologies | Adesto Technologies | Adesto Technologies |
| Moisture Sensitive | Yes | - | - |
| Product Type | NOR Flash | NOR Flash | NOR Flash |
| Factory Pack Quantity | 4000 | 4000 | 6000 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Tradename | DataFlash | DataFlash | DataFlash |
| Mounting Style | - | SMD/SMT | SMD/SMT |
| Package / Case | - | UBGA-9 | UDFN-8 |
| Memory Size | - | 32 Mbit | 32 Mbit |
| Maximum Clock Frequency | - | 104 MHz | 104 MHz |
| Interface Type | - | SPI | SPI |
| Organization | - | 4 M x 8 | 4 M x 8 |
| Timing Type | - | Synchronous | Synchronous |
| Data Bus Width | - | 8 bit | 8 bit |
| Supply Voltage Min | - | 2.5 V | 2.5 V |
| Supply Voltage Max | - | 3.6 V | 3.6 V |
| Supply Current Max | - | 26 mA | 26 mA |
| Minimum Operating Temperature | - | - 40 C | - 40 C |
| Maximum Operating Temperature | - | + 85 C | + 85 C |
| Memory Type | - | NOR | NOR |
| Speed | - | 104 MHz | 104 MHz |
| Architecture | - | Chip Erase | Chip Erase |
| Unit Weight | - | - | 0.000335 oz |