4 layers

Boards in 1 GitHub repository, designed in KiCad, that use the SY89851UMG by Microchip Technology (-40℃~+85℃ 1 2 2.375V~3.6V 4GHz QFN-16 Clock Buffers, Drivers, Distributors ROHS). See how each wires it, with its parts, size, README and files; the SY89851UMG’s symbol, footprint and pinout are on its own page.
