The S25FL256SDSBHM210 is a 256 Mb automotive-grade flash memory with MIRRORBIT™ technology and Eclipse architecture. It operates from 2.7 V to 3.6 V core and 1.65 V to 3.6 V I/O supply, supporting SPI Multi-I/O with single, dual, quad, and DDR modes for up to 80 MBps read speeds. Advanced sector protection, 100,000 program-erase cycles minimum, and 20-year data retention ensure reliability. Qualified to AEC-Q100 Grade 1 (-40°C to +125°C).