The S25FS512SDSMFI011 is a 512 Mb (64 MB) NOR flash memory using 65-nm MIRRORBIT™ technology and Eclipse architecture, supporting SPI Multi-I/O with single, dual, quad, and DDR modes up to 80 MB/s. Operating from 1.7 V to 2.0 V, it is AEC-Q100 Grade 1 qualified for -40°C to +125°C. Key features include a 256-/512-byte page buffer, hybrid and uniform sector options, 100,000 program-erase cycles, 20-year data retention, and advanced sector protection.