The S25FS256SAGNFI000 is a 256 Mbit (32 MB) serial NOR flash memory using 65-nm MIRRORBIT™ technology with Eclipse architecture for fast program and erase. It supports SPI Multi-I/O interface with single, dual, quad, and DDR modes, achieving read rates up to 80 MBps. Operating from 1.7 V to 2.0 V and up to 125°C (AEC-Q100 Grade 1), it delivers 100,000 program-erase cycles and 20-year data retention for reliable code storage and data logging in embedded and automotive systems.