基于逻辑仿真的快速动态功率估计

[1991 Proceedings] IEEE International Conference on Computer Design: VLSI in Computers and Processors Pub Date : 1991-10-14 DOI:10.1109/ICCD.1991.139853

Thomas H. Krodel

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引用次数: 44

摘要

提出了一种快速估计数字电路动态功耗的算法和工具。使用标准逻辑模拟器生成的逻辑波形来计算栅极(单元)级的瞬时功率波形。该工具本身与技术无关;它从通过模拟仿真建立的数据库中获取当前使用的单元库的参数。由于灵活的数据库格式，新库的建模很容易。与SPICE相比，实验结果显示平均功耗(δ >)具有良好的准确性。

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Power play-fast dynamic power estimation based on logic simulation

A fast algorithm and a tool for the estimation of dynamic power dissipation in digital circuits are presented. The logic waveforms generated by a standard logic simulator are used in order to compute an instantaneous power waveform at the gate- (cell-) level. The tool itself is technology independent; it takes parameters for the currently used cell library from a database that has been established by analog simulation. Modeling of new libraries is easy due to a flexible database format. When compared to SPICE, experimental results show good accuracy for average power consumption ( Delta <3%), a close matching of peak power values and a speed-up of more than four orders of magnitude.<>

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来源期刊

[1991 Proceedings] IEEE International Conference on Computer Design: VLSI in Computers and Processors

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