The S25FL128LDPMFI001 is a 128 Mb (16 MB) serial NOR Flash memory from Infineon's FL-L family, supporting SPI with single, dual, and quad I/O, QPI, and DDR read commands. It operates on 2.7 V to 3.6 V supply, delivers up to 66 MBps Quad Read at 133 MHz, and features a 256-byte page buffer with multiple erase options.