The S25FS512SAGNFB010 is a 512 Mb (64 MB) NOR flash memory using 65-nm MIRRORBIT™ technology and Eclipse architecture for fast program and erase. It features SPI Multi-I/O with single, dual, quad, and DDR modes up to 133 MHz, supporting read speeds up to 80 MB/s. Operating from 1.7 V to 2.0 V, it offers hybrid or uniform sectors, 100,000 program-erase cycles, 20-year data retention, internal ECC, and advanced security, making it ideal for embedded and automotive code storage.