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| PartNumber | AT25040N-10SI-2.7 | AT25040N-10SI-2.7 SOP8 | AT25040N-10SI |
| Description | IC EEPROM 4K SPI 3MHZ 8SOIC | IC EEPROM 4K SPI 3MHZ 8SOIC | |
| Manufacturer | Atmel | - | - |
| Product Category | Memory | - | - |
| Series | - | - | - |
| Packaging | Tube | - | - |
| Package Case | 8-SOIC (0.154", 3.90mm Width) | - | - |
| Operating Temperature | -40°C ~ 85°C (TA) | - | - |
| Interface | SPI Serial | - | - |
| Voltage Supply | 2.7 V ~ 5.5 V | - | - |
| Supplier Device Package | 8-SOIC | - | - |
| Memory Size | 4K (512 x 8) | - | - |
| Memory Type | EEPROM | - | - |
| Speed | 2.1MHz | - | - |
| Format Memory | EEPROMs - Serial | - | - |