| Part Number | W25Q64FWSFIG TR | W25Q64FWSSIG TR | 
|---|---|---|
| Manufacturer | Winbond Electronics | Winbond Electronics | 
| Category | Memory | Memory | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Memory Type | Non-Volatile | Non-Volatile | 
| Memory Format | Flash | Flash | 
| Technology | FLASH - NOR | FLASH - NOR | 
| Memory Size | 64Mb (8M x 8) | 64Mb (8M x 8) | 
| Memory Interface | SPI - Quad I/O, QPI | SPI - Quad I/O, QPI | 
| Clock Frequency | 104 MHz | 104 MHz | 
| Write Cycle Time - Word, Page | 5ms | 5ms | 
| Access Time | - | - | 
| Voltage - Supply | 1.65V ~ 1.95V | 1.65V ~ 1.95V | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 16-SOIC (0.295", 7.50mm Width) | 8-SOIC (0.209", 5.30mm Width) | 
| Supplier Device Package | 16-SOIC | 8-SOIC |