The S25FL256LDPBHI020 is a 256 Mb (32 MB) SPI NOR flash memory using 65-nm floating gate technology, supporting single, dual, and quad I/O SPI with up to 133 MHz (SDR) and 66 MHz (DDR). It offers flexible erase options, 100,000 program/erase cycles, and 20-year data retention. Operating from 2.7 V to 3.6 V, it meets AEC-Q100 Grade 2 (-40°C to +105°C) and features advanced security, making it ideal for automotive and embedded code storage.