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| PartNumber | SST25VF040B-80-4I-S2AE- | SST25VF040B-80-4I-S2AE-T | SST25VF040B-80-4I-S2AE |
| Description | Flash 2.7V to 3.6V 4Mbit SPI Serial Flash | IC FLASH 4M SPI 80MHZ 8SOIC | |
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Category | Memory | Memory | Memory |
| Series | SST25 | SST25 | SST25 |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Tube |
| Unit Weight | 0.019048 oz | 0.019048 oz | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Operating Temperature Range | - 40 C to + 85 C | - 40 C to + 85 C | - |
| Package Case | SOIC-8 | SOIC-8 | 8-SOIC (0.209", 5.30mm Width) |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Interface | SPI Serial | SPI Serial | SPI Serial |
| Voltage Supply | 2.7 V ~ 3.6 V | 2.7 V ~ 3.6 V | 2.7 V ~ 3.6 V |
| Supplier Device Package | 8-SOIC | 8-SOIC | 8-SOIC |
| Memory Size | 4M (512K x 8) | 4M (512K x 8) | 4M (512K x 8) |
| Memory Type | FLASH | FLASH | FLASH |
| Speed | 80MHz | 80MHz | 80MHz |
| Architecture | Sector | Sector | - |
| Format Memory | FLASH | FLASH | FLASH |
| Interface Type | SPI | SPI | - |
| Organization | 512 k x 8 | 512 k x 8 | - |
| Supply Current Max | 25 mA | 25 mA | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Supply Voltage Max | 3.6 V | 3.6 V | - |
| Supply Voltage Min | 2.7 V | 2.7 V | - |
| Maximum Clock Frequency | 80 MHz | 80 MHz | - |
| Timing Type | Synchronous | Synchronous | - |