The S25FL128LDPBHI020 is a 128 Mb (16 MB) serial NOR flash memory with a 3.0 V supply and SPI multi-I/O interface supporting single, dual, quad, DDR, and QPI modes. It achieves up to 66 MBps read speed, features a 256-byte page buffer, and offers flexible erase options down to 4 KB. Built on 65-nm floating gate technology, it supports 24- or 32-bit addressing, advanced security, and operates from –40°C to +125°C. Ideal for embedded and automotive code storage and XIP.