The S25FL256SDSMFI000 is a 256 Mb (32 MB) SPI Multi-I/O NOR flash memory using robust 65-nm MIRRORBIT™ technology and Eclipse architecture for improved program and erase speeds. It operates with a 2.7 V to 3.6 V core and 1.65 V to 3.6 V I/O, supports DDR read up to 80 MBps, and offers flexible sector architectures. Advanced features include a one-time programmable (OTP) array and block protection.