The S25FL256LAGNFI010 is a 256 Mb (32 MB) SPI NOR flash memory based on 65-nm floating gate technology, supporting single, dual, and quad I/O, QPI, and DDR read modes up to 133 MHz. It operates from 2.7 V to 3.6 V across -40°C to +85°C (industrial) and up to +125°C (automotive), with 100,000 program/erase cycles and 20-year data retention.