simcurrent -一个用于估计复杂CMOS电路电流的有效程序

1990 IEEE International Conference on Computer-Aided Design. Digest of Technical Papers Pub Date : 1990-11-11 DOI:10.1109/ICCAD.1990.129935

Ulrich Jagau

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引用次数: 29

摘要

提出了一种在栅极电平上有效估计复杂CMOS宏单元或模块电流波形的新方法。基于这种方法的原型计算机程序simcurrent的运行速度比目前最先进的模拟电路模拟器快5000倍。仿真结果表明，电流估计的精度在平均值和均方根电流值的5%左右。研究是基于工业上实际使用的双层铝CMOS工艺。SIMCURRENT程序允许正确布局电源轨道，以满足电迁移的平均和峰值电流限制。这些限制是从给定工艺的可靠性计算中得出的。给出了各种电路的仿真结果。

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SIMCURRENT-an efficient program for the estimation of the current flow of complex CMOS circuits

A novel method for an efficient estimation of the current waveforms of complex CMOS macro cells or modules at the gate level is presented. A prototype computer program-SIMCURRENT-based on this method runs about 5000 times faster than state of the art analog circuit simulators. The accuracy of the current estimation is in the range of about 5%-mean and rms current values-based on simulation results. The investigations are based on actual double layer Al CMOS processes used in industry. The SIMCURRENT program enables the proper layout of power rails which fulfil mean and peak current limits for electromigration. These limits are derived from reliability calculations for the given process. Simulation results for various circuits are presented.<>

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来源期刊

1990 IEEE International Conference on Computer-Aided Design. Digest of Technical Papers

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