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Analytical models and algorithms for the efficient signal integrity verification of inductance-effect-prominent multicoupled VLSI circuit interconnects

机译:电感效应突出的多耦合VLSI电路互连的有效信号完整性验证的分析模型和算法

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Novel signal integrity verification models and algorithms for inductance-effect- prominent RLC interconnect lines are developed by using a traveling-wave-based waveform approximation (TWA) technique. The multicoupled line responses are decoupled into the eigenmodes of the system in order to exploit the TWA technique. Then, the response signals are mathematically represented by the linear combination of each eigenmode response based on TWA, followed by reporting the signal integrity models and algorithms for the multicoupled lines. The signal integrity of VLSI circuit interconnects is complicatedly correlated with input signal switching-patterns, layout geometry, and termination conditions. It is shown that the technique can be efficiently employed for complicated multicoupled interconnect lines with various termination conditions and the signal transients based on the technique have excellent agreement with SPICE simulations. Thus, with the proposed technique, the switching-dependent signal delay, crosstalk, ringing, and glitches of the inductance-effect-prominent RLC interconnect lines can be accurately as well as efficiently determined.
机译:通过使用基于行波的波形逼近(TWA)技术,开发了用于电感效应突出的RLC互连线的新型信号完整性验证模型和算法。为了利用TWA技术,将多耦合线响应解耦到系统的本征模式。然后,通过基于TWA的每个本征模响应的线性组合来数学表示响应信号,然后报告用于多耦合线路的信号完整性模型和算法。 VLSI电路互连的信号完整性与输入信号切换模式,布局几何形状和端接条件复杂地相关。结果表明,该技术可以有效地应用于各种端接条件的复杂多耦合互连线路,并且基于该技术的信号瞬变与SPICE仿真具有很好的一致性。因此,利用所提出的技术,可以准确且有效地确定电感效应突出的RLC互连线的依赖于​​开关的信号延迟,串扰,振铃和毛刺。

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