Analysis and optimization of power integrity issues from high speed CMOS integrated circuit interactions in aeronautic systems

The power distribution network (PDN) is constituted by interconnection networks that connect voltage regulator module (VRM) through the printed circuit board (PCB) followed by the packaging paths until integrated circuit. The PDN of an electronic system can increase the noise due to the internal activity of the circuit. In fact, the miniaturization of the device can transmit the power supply noise to the integrated circuit and superposed with the useful signals. What affects the power and signal integrity. These phenomena reduce the operating speed and reliability of the circuit. In this paper we explore a method for calculating the simultaneous switching noise (SSN) in a PDN, based on the approximation of the frequency domain impedance of PDN by rational functions and the vector fitting method. The simulation results in this, paper are verified by MATLAB and PSPICE tools.