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

Weifeng Liang, Huimin Liu, Tao Su
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Abstract

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.
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一种用于数字集成电路电磁分析的FDTD-LUT混合算法及仿真器
本文在时域有限差分(FDTD)算法和查找表(LUT)方法的基础上,提出了一种用于分析数字集成电路电磁场的混合仿真算法FDTD-LUT。利用该算法开发了集成电路混合电磁模拟器(HESIC),可用于主被动混合结构的场电路联合仿真。将h树时钟分配网络(CDN)结构的仿真结果与h树时钟分配网络(CDN)结构的实测数据进行对比,验证了算法的正确性。
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