The S25FL256SAGNFM000 is a 256 Mb (32 MB) SPI NOR flash memory featuring 65-nm MIRRORBIT™ technology and Eclipse architecture for fast program and erase. It supports single, dual, quad, and DDR SPI Multi-I/O up to 133 MHz and 80 MBps read speeds. Operating from 2.7 V to 3.6 V core and 1.65 V to 3.6 V I/O, it offers 100,000 program-erase cycles, 20-year data retention, and advanced security with OTP and password protection.