The S25FS256SAGMFB001 is a 256 Mbit (32 MB) automotive-grade, AEC-Q100 qualified serial NOR Flash memory using 65-nm MIRRORBIT™ technology and Eclipse architecture. It supports SPI Multi-I/O with single, dual, and quad data lines, operates at 1.7 V to 2.0 V, and achieves up to 80 MBps read speed in Quad DDR mode. Features include hybrid and uniform sector options, 100,000 program-erase cycles, and advanced sector protection for reliable code storage in harsh environments.