| PartNumber | SST25WF040-40-5I-QAE-T | SST25WF040-40-5I-QAE | SST25WF040-40-5I-SAF |
| Description | NOR Flash 1.65 to 1.95V 4Mbit SPI Serial Flash | NOR Flash 1.65 to 1.95V 4Mbit SPI Serial Flash | Flash 4M (512Kx8) 40MHz Industrial Temp |
| Manufacturer | Microchip | Microchip | Microchip Technology |
| Product Category | NOR Flash | NOR Flash | Memory |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | WSON-8 | WSON-8 | - |
| Series | SST25WF | SST25WF | SST25 |
| Memory Size | 4 Mbit | 4 Mbit | 4M (512K x 8) |
| Maximum Clock Frequency | 40 MHz | 40 MHz | - |
| Interface Type | SPI | SPI | - |
| Organization | 512 k x 8 | 512 k x 8 | - |
| Timing Type | Synchronous | Synchronous | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Supply Voltage Min | 1.65 V | 1.65 V | - |
| Supply Voltage Max | 1.95 V | 1.95 V | - |
| Supply Current Max | 15 mA | 15 mA | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Reel | Tube | Tube |
| Memory Type | NOR | NOR | FLASH |
| Speed | 40 MHz | 40 MHz | 40MHz |
| Architecture | Sector | Sector | - |
| Brand | Microchip Technology | Microchip Technology | - |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | NOR Flash | NOR Flash | - |
| Factory Pack Quantity | 2000 | 98 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |
| Unit Weight | 0.000384 oz | 0.000384 oz | - |
| Package Case | - | - | 8-SOIC (0.154", 3.90mm Width) |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Interface | - | - | SPI Serial |
| Voltage Supply | - | - | 1.65 V ~ 1.95 V |
| Supplier Device Package | - | - | 8-SOIC |
| Format Memory | - | - | FLASH |