The S25FL256LAGMFI003 is a 256 Mb SPI flash memory built on 65-nm floating gate technology for embedded and automotive systems. It supports single, dual, and quad SPI modes with up to 66 MBps read rates at 133 MHz. Operating from 2.7 V to 3.6 V, it offers sector/block protection, robust security features, and AEC-Q100 Grade 1 qualification for -40°C to +125°C. With 100,000 program/erase cycles and 20-year data retention, it is ideal for code storage and secure data use.