In equilibrium, the drift and diffusion components of current are balanced; therefore the net current flowing across the junction is zero. | Design and Implementation of VLSI Systems Lecture 02 Thuan Nguyen Faculty of Electronics and Telecommunications University of Science VNU HCMUS Spring 2011 Lecture 2 CMOS Circuit 1 MOS Transistor I iy CMOS Logic j Lecture 2 CMOS .