考虑传输线效应的时钟线网动态功耗模型
Journal Title: Science Paper Online - Year 2008, Vol 3, Issue 1
Abstract
针对传递时钟信号的树型互连线网，提出了一种考虑传输线效应的动态功耗模型。在该模型中，时钟线网的每个分支互连线都采用了传输线模型，其系统输入导纳函数的计算采用了基于傅里叶级数分析的快速迭代算法。在此迭代算法基础上，根据帕斯瓦尔定理，该模型用有限阶傅里叶级数项逼近时钟线网的动态功耗。模型的精度随所取项数的增加而增加，模型的时间复杂度与项数以及时钟线网的分支数成正比。实验表明，有5项傅里叶级数逼近的模型误差小于5%，效率远高于集成电路仿真程序(SPICE)。
Authors and Affiliations
LI Xiaochun YIN Wenyan
Keywords
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