The S25FS256SAGBHM203 is a 256 Mbit (32 MB) automotive-grade SPI flash memory based on 65-nm MIRRORBIT™ technology. It supports SPI Multi-I/O with single, dual, and quad data lines, offering up to 133 MHz SDR and 80 MHz DDR read speeds. Features include hybrid and uniform sector options, automatic ECC, and advanced sector protection. Operating at 1.7 V to 2.0 V, it is AEC-Q100 Grade 1 qualified for -40°C to 125°C, ideal for code storage in automotive and industrial systems.