The S25FL256LAGMFV001 is a 256 Mb (32 MB) serial NOR flash memory using 65-nm floating gate technology and supporting SPI multi-I/O, including single, dual, quad, and QPI modes with DDR read. Operating from 2.7 V to 3.6 V, it achieves up to 66 MBps read speed. Features include a 256-byte page programming buffer, uniform erase options, and advanced security regions. With 100,000 program/erase cycles and 20-year data retention, it is ideal for secure automotive storage.