The S25FL256SAGNFB000 is a 256 Mb SPI Multi-I/O NOR flash memory with MIRRORBIT™ technology and Eclipse architecture for fast program and erase performance. Operating at 2.7 V to 3.6 V core voltage and 1.65 V to 3.6 V I/O, it achieves up to 52 MBps in Quad mode and 80 MBps in Quad DDR mode. With 100,000 program-erase cycles, 20-year data retention, advanced sector protection, and AEC-Q100 automotive qualification, it is ideal for code shadowing, XIP, and data storage.