The S25FL256LAGBHV020 is a 256 Mb (32 MB) automotive-grade SPI NOR flash memory using 65-nm floating gate technology. It supports up to 133 MHz SDR and 66 MHz DDR operation, operates from 2.7 V to 3.6 V, and meets -40°C to +105°C (AEC-Q100 Grade 2). Key features include Quad I/O and QPI modes, 256-byte page programming, uniform 4 KB sector erase, 100,000 program/erase cycles, and advanced security with four 256-byte security regions.