The S25FL128SDSNFI003 is a 128 Mb SPI Multi-I/O NOR flash memory with MIRRORBIT™ technology and Eclipse architecture for fast program and erase speeds. It operates from 2.7 V to 3.6 V core supply and 1.65 V to 3.6 V I/O, achieving up to 52 MBps Quad read and 80 MBps Quad DDR read rates. Endurance is rated at 100,000 cycles and 20-year data retention.