16 Mbit SPI NOR Flash — 108 MHz quad-I/O read
The S25FL116K0XMFIQ10 is a 16 Mbit SPI NOR flash from Infineon's FL1-K series, organized as 2M x 8 bits. It communicates over a SPI bus with quad-I/O support, meaning the four data lines can each carry a bit per clock cycle — the 108 MHz clock rate translates to a sustained read throughput of roughly 54 MB/s in quad-I/O mode, which is the figure that matters for XIP (execute-in-place) firmware or fast boot loads.
Infineon lists the S25FL116K0XMFIQ10 as Obsolete. A buyer holding a BOM line with this order code should treat it as a last-time-buy or replacement-sourcing item — not a candidate for new designs.