CMOS multiplexer and demultiplexer for gigabit Ethernet

A multiplexer and a demultiplexer which are suitable for gigabit and 10 gigabit Ethernet are developed using 0.18 /spl mu/m CMOS technology. Most of the multiplexers and demultiplexers studied in recent years are used in SONET (SDH) systems. Several works are suitable for Ethernet, but their power and area are not optimal. The paper gives a structure to overcome the device limitations of conventional type structures. The new structure is simulated with the 0.18 /spl mu/m logic CMOS process SPICE model and achieves very high speed. Experimental results are also given.