The TMUX4051, TMUX4052, and TMUX4053 support 1.8V logic compatible control for all logic control inputs. 1.8V logic level inputs allows the multiplexers to interface with processors that have lower logic I/O rails and eliminates the need for an external voltage translator, which saves both space and BOM cost. For more information on 1.8V logic implementation, refer to Simplifying Design with 1.8V logic Muxes and Switches.