The S25FL256SDSBHM213 is a 256 Mb SPI NOR flash memory with 65-nm MIRRORBIT™ technology and Eclipse architecture for fast program and erase. It supports SPI Multi-I/O with single, dual, quad, and DDR up to 80 MHz, operates at 2.7–3.6 V core and 1.65–3.6 V I/O, and offers hybrid 4 KB/64 KB or uniform 256 KB sectors. With 100,000 cycles, 20-year retention, advanced protection, and AEC-Q100 Grade 1 qualification, it suits automotive, industrial, and embedded code storage.