多层金属电源线地线网络拓扑结构的IR-drop分析方法

王一, 杨海钢, 余乐, 孙嘉斌

电子学报 ›› 2015, Vol. 43 ›› Issue (12) : 2542-2546.

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PDF(3292 KB)
电子学报 ›› 2015, Vol. 43 ›› Issue (12) : 2542-2546. DOI: 10.3969/j.issn.0372-2112.2015.12.030
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多层金属电源线地线网络拓扑结构的IR-drop分析方法

  • 王一1,2, 杨海钢1, 余乐1,2, 孙嘉斌1
作者信息 +

A Technique for IR-Drop Analysis of the Multilayered Power/Ground Networks

  • WANG Yi1,2, YANG Hai-gang1, YU Le1,2, SUN Jia-bing1
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文章历史 +

摘要

提出了一种电源/地线(P/G)网络压降(IR-drop)静态分析方法.该方法探索了多层金属立体P/G网络结构,通过输入各金属层的坐标和通孔(Via)的工艺规则,分析不同多层金属P/G网络的拓扑结构对IR-drop的影响.实验结果表明,文中方法的压降评估结果与SPICE仿真结果相比有着高度的一致性,平均误差小于0.4%,且算法时间复杂度与通孔数目成线性关系.并且指出中间层金属的拓扑结构对IR-drop的分布和大小有重要影响.

Abstract

This paper presents a method for DC analysis of IR-drop in power/ground (P/G) networks.The proposed method explores three-dimensional structure of multi-layer P/G grids.By inputting the coordinates of each metal layer and the process rules of vias,the proposed method analyzes the impact of different multi-layers P/G grids on IR-drop.Experimental results demonstrate that the method has high consistency with SPICE simulation results.The relative error is less than 0.4% and the time complexity has the linear relation to the number of vias.Moreover,the topology of inter-layers has an important relation to the value and distributions of IR-drop.

关键词

电源/地线网络 / 多层 / 压降 / 通孔

Key words

power/ground networks / multi-layers / IR-drop / via

引用本文

导出引用
王一, 杨海钢, 余乐, 孙嘉斌. 多层金属电源线地线网络拓扑结构的IR-drop分析方法[J]. 电子学报, 2015, 43(12): 2542-2546. https://doi.org/10.3969/j.issn.0372-2112.2015.12.030
WANG Yi, YANG Hai-gang, YU Le, SUN Jia-bing. A Technique for IR-Drop Analysis of the Multilayered Power/Ground Networks[J]. Acta Electronica Sinica, 2015, 43(12): 2542-2546. https://doi.org/10.3969/j.issn.0372-2112.2015.12.030
中图分类号: TP391   

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基金

国家自然科学基金 (No.61271149)

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