A Hybrid FDTD-LUT Algorithm and Simulator for Electromagnetic Analyzing in Digital Integrated Circuits

In this paper, a hybrid simulation algorithm called FDTD-LUT, which bases on the finite difference time-domain (FDTD) algorithm and Look-up table (LUT) method, is proposed for analyzing the electromagnetic field of digital integrated circuits. Moreover, an electromagnetic field simulator Hybrid Electromagnetic Simulator for Integrated Circuit (HESIC) is developed by using this algorithm, which can be used for field circuit co-simulation of active-passive hybrid structure. The correctness of the algorithm is verified by comparing the simulation result of the H-tree clock distribution network (CDN) structure with the actual measured data of the H-tree CDN structure.