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| Part Number | AT45DB021D-MH-T | 
| Datasheet | AT45DB021D-MH-T datasheet | 
| Description | IC FLASH 2M SPI 66MHZ 8UDFN | 
| Manufacturer | Microchip Technology | 
| Series | - | 
| Part Status | Obsolete | 
| Memory Type | Non-Volatile | 
| Memory Format | FLASH | 
| Technology | FLASH | 
| Memory Size | 2Mb (264 Bytes x 1024 pages) | 
| Clock Frequency | 66MHz | 
| Write Cycle Time - Word, Page | 4ms | 
| Access Time | - | 
| Memory Interface | SPI | 
| Voltage - Supply | 2.7V ~ 3.6V | 
| Operating Temperature | -40°C ~ 85°C (TC) | 
| Mounting Type | Surface Mount | 
| Package / Case | 8-UDFN Exposed Pad | 
| Supplier Device Package | 8-UDFN (5x6) |