The S29GL128S90FHI020 is a 128 Mb, 3.0 V parallel NOR flash memory with 65 nm MIRRORBIT™ Eclipse technology, 16-bit data bus, and 90 ns random access. It supports I/O voltages from 1.65 V to VCC, operates from -40°C to +85°C, and endures 100,000 program/erase cycles with 20-year data retention. Features include advanced sector protection, a 512-byte programming buffer, and ECC for single-bit error correction for embedded, automotive, and industrial applications.