The S25FS128SDSMFI1D1 is a 128 Mbit (16 MB) serial NOR flash memory using 65 nm MIRRORBIT™ technology and Eclipse architecture. It supports SPI Multi-I/O with single, dual, and quad data lines, plus DDR operation up to 80 MBps. Operating from 1.7 V to 2.0 V and AEC-Q100 Grade 1 qualified for -40°C to +125°C, it features hybrid or uniform sector options, 100,000 program-erase cycles, and 20-year data retention. Ideal for automotive and embedded code storage.