| PartNumber | AT25DF321-SU | AT25DF321-S3U | AT25DF321A-CCU |
| Description | NOR Flash 32M, 2.7V, 100Mhz Serial Flash | NOR Flash 32M, 2.7V, 100Mhz Serial Flash | IC FLASH 32M SPI 100MHZ 9UBGA |
| 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-16 | - |
| Series | AT25DF321 | AT25DF321 | - |
| Memory Size | 32 Mbit | 32 Mbit | - |
| Maximum Clock Frequency | 70 MHz | 70 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 | 2.7 V | 2.7 V | - |
| Supply Voltage Max | 3.6 V | 3.6 V | - |
| Supply Current Max | 20 mA | 20 mA | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Memory Type | NOR | NOR | - |
| Speed | 70 MHz | 70 MHz | - |
| Architecture | Block Erase | Block Erase | - |
| Brand | Adesto Technologies | Adesto Technologies | - |
| Product Type | NOR Flash | NOR Flash | - |
| Standard | Not Supported | - | - |
| Factory Pack Quantity | 95 | 46 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |
| Unit Weight | 0.019048 oz | 0.023492 oz | - |
| Height | - | 2.65 mm | - |
| Length | - | 10.3 mm | - |
| Width | - | 7.5 mm | - |
| Moisture Sensitive | - | Yes | - |