The S25FS256SDSNFI001 is a 256 Mbit (32 MB) serial NOR Flash memory with a 1.7 V to 2.0 V supply, SPI Multi-I/O interface supporting single, dual, and quad data lines, and up to 80 MBps DDR read speeds. Built on 65 nm MIRRORBIT™ technology, it offers 100,000 program-erase cycles per sector, 20-year data retention, and advanced sector protection.