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| Part Number | W25Q40EWSSIG | W25Q40EWSVIG | W25Q40EWSNIG |
|---|---|---|---|
| Manufacturer | Winbond Electronics | Winbond Electronics | Winbond Electronics |
| Product Status | Obsolete | Discontinued at Digi-Key | Active |
| Memory Type | Non-Volatile | Non-Volatile | Non-Volatile |
| Memory Format | Flash | Flash | Flash |
| Technology | FLASH - NOR | FLASH - NOR | FLASH - NOR |
| Memory Size | 4Mb (512K x 8) | 4Mb (512K x 8) | 4Mb (512K x 8) |
| Memory Interface | SPI - Quad I/O, QPI | SPI - Quad I/O, QPI | SPI - Quad I/O, QPI |
| Clock Frequency | 104 MHz | 104 MHz | 104 MHz |
| Write Cycle Time - Word, Page | 800µs | 800µs | 800µs |
| Access Time | - | - | - |
| Voltage - Supply | 1.65V ~ 1.95V | 1.65V ~ 1.95V | 1.65V ~ 1.95V |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 8-SOIC (0.209", 5.30mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC | 8-VSOP | 8-SOIC |
