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| PartNumber | W25B40-VSNI | W25B40VNIG | W25B40VSNI |
| Description | |||
| Manufacturer | - | - | Winbond Electronics |
| Product Category | - | - | Memory |
| Series | - | - | SpiFlashR |
| 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 ~ 3.6 V |
| Supplier Device Package | - | - | 8-SOIC |
| Memory Size | - | - | 4M (512K x 8) |
| Memory Type | - | - | FLASH |
| Speed | - | - | 40MHz |
| Format Memory | - | - | FLASH |