The S25FS256SDSMFI000 is a 256 Mbit (32 MB) automotive-grade serial NOR flash memory with 1.8 V operation and 65-nm MIRRORBIT™ technology. It supports SPI Multi-I/O with single, dual, quad, and DDR modes, achieving up to 80 MBps read rates. Hybrid and uniform sector options, robust data protection, and AEC-Q100 Grade 1 qualification ensure reliability across -40°C to +125°C, making it ideal for demanding automotive and industrial applications.