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| Part Number | W25Q41EWSNSG | W25Q40EWSNSG | W25Q41EWSNAG | 
|---|---|---|---|
| Manufacturer | Winbond Electronics | Winbond Electronics | Winbond Electronics | 
| Product Status | Active | Obsolete | 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 | SPI - Quad I/O, QPI | SPI - Quad I/O | 
| Clock Frequency | 104 MHz | 104 MHz | 104 MHz | 
| Write Cycle Time - Word, Page | - | - | - | 
| Access Time | - | - | - | 
| Voltage - Supply | 1.65V ~ 1.95V | 1.65V ~ 1.95V | 1.65V ~ 1.95V | 
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 105°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package | 8-SOIC | 8-SOIC | 8-SOIC |