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A New Approach for RTL Power Macro-Modeling
Hirofumi KAWAUCHI,Toshio MORIKAWA,Ryohei MURASHIMA,Ittetsu TANIGUCHI,Masahiro FUKUI 대한전자공학회 2009 ITC-CSCC :International Technical Conference on Ci Vol.2009 No.7
This paper presents a new power macro-modeling technique for resister transfer level (RTL). RTL power macro-modeling technique is well known as promising technique for fast power estimation. Our method is based on a table look-up constructed by statistical information extracted from the primary inputs to the circuit. In this paper, we propose a novel power estimation method with a new parameter SD. This parameter characterizes switching activity of an internal circuit. The switching activities of each gate are strongly related with the power consumption. Experimental results show that the proposed method improves RMS error about 10% in average with the ISCAS-85 combinational circuits. The average RMS error of our model was 4.5%.