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| PartNumber | AT45DB321D-CU | AT45DB321D-CCU-SL383 | AT45DB321D-CCU |
| Description | NOR Flash 32M 2.7-3.6V, 66Mhz Data Flash | NOR Flash 32M, 66MHz 2.7-3.6V DataFlash | NOR Flash 32M 2.7-3.6V, 66Mhz Data 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 | BGA-24 | VDFN-8 | BGA-24 |
| Series | AT45DB321D | AT45DB321D | AT45DB321D |
| Memory Size | 32 Mbit | 32 Mbit | 32 Mbit |
| Maximum Clock Frequency | 66 MHz | 66 MHz | 66 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 | 2.7 V | 2.7 V | 2.7 V |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Supply Current Max | 15 mA | 15 mA | 15 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 | 66 MHz | 66 MHz | 66 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 | 378 | 4000 | 378 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Packaging | - | Reel | Bulk |
| Moisture Sensitive | - | - | Yes |