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| Part Number | AT45DB321D-TU | AT45DB321C-TU | AT45DB321D-CU | AT45DB321D-MU | AT45DB321D-SU |
|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Adesto Technologies |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Memory Type | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile |
| Memory Format | Flash | Flash | Flash | Flash | Flash |
| Technology | Flash | Flash | Flash | Flash | Flash |
| Memory Size | 32Mb (528 Bytes x 8192 pages) | 32Mb (528 Bytes x 8192 pages) | 32Mb (528 Bytes x 8192 pages) | 32Mb (528 Bytes x 8192 pages) | 32Mb (528 Bytes x 8192 pages) |
| Memory Interface | SPI | SPI | SPI | SPI | SPI |
| Clock Frequency | 66 MHz | 40 MHz | 66 MHz | 66 MHz | 66 MHz |
| Write Cycle Time - Word, Page | 6ms | 15ms | 6ms | 6ms | 6ms |
| Access Time | - | - | - | - | - |
| Voltage - Supply | 2.7V ~ 3.6V | 2.7V ~ 3.6V | 2.7V ~ 3.6V | 2.7V ~ 3.6V | 2.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TC) | -40°C ~ 85°C (TC) | -40°C ~ 85°C (TC) | -40°C ~ 85°C (TC) | -40°C ~ 85°C (TC) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 28-TSSOP (0.465", 11.80mm Width) | 28-TSSOP (0.465", 11.80mm Width) | 24-TBGA, CSPBGA | 8-VDFN Exposed Pad | 8-SOIC (0.209", 5.30mm Width) |
| Supplier Device Package | 28-TSOP | 28-TSOP | 24-CBGA (6x8) | 8-VDFN (6x5) | 8-SOIC |
