The S25FL256SDSMFV010 is a 256 Mb SPI Multi-I/O NOR flash memory using 65-nm MIRRORBIT™ technology and Eclipse architecture. It achieves Quad DDR read rates up to 80 MBps and page programming up to 1.5 MBps. Operating from 1.65 V to 3.6 V I/O and -40°C to +125°C (AEC-Q100 Grade 1), it features hybrid or uniform sector erase, advanced sector protection, 100,000 program-erase cycles, and 20-year data retention. Ideal for code shadowing, XIP, and automotive or embedded storage.