The S79FL256SDSMFBG00 is a 256 Mb (32 MB) dual-quad SPI NOR flash memory using 65 nm MIRRORBIT™ technology and Eclipse architecture for fast programming up to 3 MB/s and erase up to 1 MB/s. It supports single and dual-quad SPI, DDR read commands, operates at 2.7 V to 3.6 V, and withstands –40°C to +85°C.