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    • 9. 发明授权
    • Static noise analysis with noise window estimation and propagation
    • 噪声窗口估计和传播的静态噪声分析
    • US06836873B1
    • 2004-12-28
    • US10313857
    • 2002-12-06
    • Kenneth TsengVinod Kariat
    • Kenneth TsengVinod Kariat
    • G06F1750
    • G06F17/5036
    • Static noise analysis simulates crosstalk functional noise by estimating a crosstalk functional noise window and by calculating the propagation of the noise window through a network. For example, the analysis can include simulations of injecting a noise window onto a network, propagating the noise window through the network until it reaches a register, and comparing the noise window with a register's sensitive window. The noise window for the net is calculated based on a duration of time in which noise glitches caused by capacitive coupling to aggressor nets can occur. The noise window is propagated through the net in a forward direction until the noise is attenuated or reaches a register's input. At the register's input, a sensitive window can filter the noise window so that only the portion of the noise window that coincides with the register's clock trigger time is considered in the noise analysis.
    • 静态噪声分析通过估计串扰功能噪声窗口和通过网络计算噪声窗口的传播来模拟串扰功能噪声。 例如,分析可以包括将噪声窗口注入到网络上的模拟,通过网络传播噪声窗口,直到其到达寄存器,并将噪声窗口与寄存器的敏感窗口进行比较。 基于由电容耦合引起的噪声毛刺可能发生的时间持续时间来计算网络的噪声窗口。 噪声窗口通过网络向前传播,直到噪声衰减或达到寄存器的输入。 在寄存器的输入端,敏感窗口可以对噪声窗口进行滤波,从而在噪声分析中只考虑噪声窗口与寄存器时钟触发时间一致的部分。