| Part Number | AT45DB011B-SI | AT45DB021B-SI |
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology |
| Category | Memory | Memory |
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| Product Status | Obsolete | Obsolete |
| Memory Type | Non-Volatile | Non-Volatile |
| Memory Format | Flash | Flash |
| Technology | Flash | Flash |
| Memory Size | 1Mb (264 Bytes x 512 pages) | 2Mb (264 Bytes x 1024 pages) |
| Memory Interface | SPI | SPI |
| Clock Frequency | 20 MHz | 20 MHz |
| Write Cycle Time - Word, Page | 15ms | 14ms |
| Access Time | - | - |
| Voltage - Supply | 2.7V ~ 3.6V | 2.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TC) | -40°C ~ 85°C (TC) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 8-SOIC (0.209", 5.30mm Width) | 8-SOIC (0.209", 5.30mm Width) |
| Supplier Device Package | 8-SOIC | 8-SOIC |