用于高速非线性电路的分布式RC互连的精确解析时域模型

N. Lu, I. Hajj
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引用次数: 2

摘要

在高速深亚微米设计中,互连效应的精确模拟越来越重要。随着数字/模拟信号频率的不断增加,由于实际互连的分布式特性,传统的集总RC元件在VLSI应用中对RC互连的建模可能不够准确。本文提出了一种用于非线性电路仿真的分布式RC互连时域解析模型。在假定线路两端的信号波形为分段线性的情况下,导出了精确解析解。我们使用swc技术将该模型整合到通用电路模拟器中。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An exact analytical time-domain model of distributed RC interconnects for high speed nonlinear circuit applications
Accurate simulation of interconnect effects is an increasingly critical step in high speed deep submicron design. With ever increasing frequency of digital/analog signals, the traditional lumped RC elements may not be accurate enough in modeling RC interconnects in VLSI applications due to the distributed nature of realistic interconnects. In this paper a novel analytic time-domain model for distributed RC interconnects is developed for application in nonlinear circuit simulators. The exact analytical solution is derived under the assumption of piecewise-linear signal waveforms at the two ports of the line. We have incorporated this model into a general purpose circuit simulator using the SWEC technique.
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