| TYPE | DESCRIPTION |
| Mfr | Winbond Electronics |
| Series | SpiFlash® |
| Package | Tube |
| Part Status | Active |
| Memory Type | Non-Volatile |
| Memory Format | FLASH |
| Technology | FLASH - NOR |
| Memory Size | 4Mb (512K x 8) |
| Memory Interface | SPI - Quad I/O |
| Clock Frequency | 104 MHz |
| Write Cycle Time - Word, Page | 800µs |
| Voltage - Supply | 2.3V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| Base Product Number | W25Q40 |
