The S25FS256SAGMFB003 is a 256 Mbit (32 MB) automotive-grade, AEC-Q100 qualified serial NOR Flash memory with a 1.8 V supply and high-speed SPI Multi-I/O interface supporting Single, Dual, and Quad I/O, up to 133 MHz SDR and 80 MBps DDR Quad read. Built on 65-nm MIRRORBIT™ technology with Eclipse architecture, it offers 100,000 program-erase cycles, 20-year data retention, flexible sector options, and advanced sector protection.