4:1 or 2:1 LVDS Clock Multiplexer with Internal In.
854S057B - 4:1 or 2:1 LVDS Clock Multiplexer
854S057 - 4:1 or 2:1 LVDS Clock Multiplexer
ICS854S057BI - 4:1 or 2:1 LVDS Clock Multiplexer