The S25FL064LABNFB043 is a 64 Mb (8 MB) automotive-grade SPI flash memory using 65-nm floating gate technology and a 3.0 V-only supply. It supports multi-I/O SPI, including single, dual, quad, and QPI modes, with up to 54 MBps read speeds. Operating from 2.7 V to 3.6 V and -40°C to +125°C (AEC-Q100 Grade 1), it offers 100,000 program-erase cycles and 20-year data retention. Typical uses include automotive ECUs, industrial controllers, and embedded systems.