| Part Number | SST26WF040BT-104I/MF | SST26WF080BT-104I/MF | 
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | 
| Category | Memory | Memory | 
|   |   | |
| Product Status | Active | Active | 
| Memory Type | Non-Volatile | Non-Volatile | 
| Memory Format | Flash | Flash | 
| Technology | Flash | Flash | 
| Memory Size | 4Mb (512K x 8) | 8Mb (1M x 8) | 
| Memory Interface | SPI - Quad I/O | SPI - Quad I/O | 
| Clock Frequency | 104 MHz | 104 MHz | 
| Write Cycle Time - Word, Page | 1.5ms | 1.5ms | 
| 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 | 8-WDFN Exposed Pad | 8-WDFN Exposed Pad | 
| Supplier Device Package | 8-WDFN (5x6) | 8-WDFN (5x6) |