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| TYPE | DESCRIPTION |
| Mfr | Microchip Technology |
| Series | - |
| Package | Tube |
| Part Status | Obsolete |
| Memory Type | Non-Volatile |
| Memory Format | FLASH |
| Technology | FLASH |
| Memory Size | 32Mb (528 Bytes x 8192 pages) |
| Memory Interface | SPI |
| Clock Frequency | 20 MHz |
| Write Cycle Time - Word, Page | 14ms |
| Voltage - Supply | 2.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TC) |
| Mounting Type | Surface Mount |
| Package / Case | 28-SOIC (0.342", 8.69mm Width) |
| Supplier Device Package | 28-SOIC |
| Base Product Number | AT45DB321 |
