The S25FL128LAGMFA003 is a 128 Mb (16 MB) automotive-grade SPI NOR flash memory with 133 MHz clock and 3.0 V supply. It supports single, dual, and quad I/O plus DDR read, and is AEC-Q100 Grade 1 qualified for -40°C to +125°C. Features include 256-byte page programming, uniform 4 KB sector erase, 100,000 program/erase cycles, 20-year data retention, and advanced security with individual and region protection for robust data integrity.