The S25FL256LAGMFA003 is a 256 Mb (32 MB) automotive-grade SPI NOR flash memory based on 65-nm floating gate technology, supporting multi-I/O operation (x1, x2, x4) up to 133 MHz. It operates from 2.7 V to 3.6 V and withstands -40°C to +125°C (AEC-Q100 Grade 1). Key features include 66 MBps Quad/DDR read, 256-byte page programming, 4 KB sector erase, advanced security regions, and robust data protection for high-reliability automotive and embedded applications.