The S25FL256LAGBHM023 is a 256 Mb (32 MB) FL-L flash memory device featuring 65-nm floating gate technology and SPI multi-I/O interface, supporting single, dual, quad, QPI, and DDR modes. Operating from 2.7 V to 3.6 V, it achieves up to 66 MBps read speed and 854 KBps program rate. With uniform 4 KB, 32 KB, and 64 KB erase options, 100,000 program/erase cycles, and 20-year data retention, it is ideal for code shadowing, XIP, and secure storage.