Hierarchical power supply distribution model for full-chip switching noise analysis

Abstract

This paper describes the use of a 12×12 SCM power supply distribution model, a 50×50 on-chip power bus model, and a distributed switching circuit model to analyze the on-chip power supply noise for high-performance VLSI design. The integrated model provides a complete analysis of the Vdd distribution, and allows designers to identify the hot spots on the chip and optimize design variables to minimize the noise.