The S25FS256SDSBHB200 is a 256 Mbit (32 MB) serial NOR flash memory with a 1.8 V supply, using 65 nm MIRRORBIT™ technology and Eclipse architecture for fast program and erase. It supports SPI with single, dual, quad, and DDR Quad I/O up to 80 MBps read. The device features flexible sector architecture, 512-byte page buffer, 20-year data retention, and 100,000 program-erase cycles.