The S25FL256SAGBHVC00 is a 256 Mb SPI Multi-I/O NOR flash memory using MIRRORBIT™ technology and Eclipse architecture for fast program and erase. It operates at 2.7 V to 3.6 V core voltage and 1.65 V to 3.6 V I/O voltage. Maximum read speeds are 52 MBps (Quad SDR) and 80 MBps (Quad DDR). The device offers 100,000 program-erase cycles, 20-year data retention, a 1024-byte OTP region, and advanced sector protection.