The S25FL064LABNFB040 is a 64 Mb (8 MB) automotive-grade SPI flash memory supporting single, dual, and quad SPI modes, QPI, and DDR read commands. Operating from 2.7 V to 3.6 V, it meets AEC-Q100 Grade 1 (-40°C to +125°C) requirements. Maximum read rates reach 54 MBps in quad or DDR modes. Security features include password protection and four 256-byte regions. It is ideal for automotive, industrial, and embedded applications.