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    • 5. 发明申请
    • INTEGRATED CIRCUIT TIMING VARIABILITY REDUCTION
    • 集成电路时序可变性降低
    • US20160117433A1
    • 2016-04-28
    • US14525320
    • 2014-10-28
    • GLOBALFOUNDRIES INC.
    • Eric A. ForemanChaitanya KompalliSudeep MandalSebastian T. Ventrone
    • G06F17/50
    • G06F17/5068G06F2217/84
    • As disclosed herein, a method, executed by a computer, for integrated circuit timing variability reduction includes loading a netlist that corresponds to a chip design, where the chip design includes one or more circuits and a plurality of post-fill features, traversing a portion of the netlist corresponding to a circuit, determining a post-fill environment for the circuit from a plurality of post-fill features, and modeling a timing variance for the circuit based on the post-fill environment. The method may also include changing one or more post-fill features to achieve a targeted delay. The method may include generating a report of circuit timing and timing variances. One or more circuits can be concurrently traversed. The timing variance can be modeled with the use of a scaling factor for a standard timing variance. A computer system and computer program product corresponding to the method are also disclosed herein.
    • 如本文所公开的,由计算机执行的用于集成电路定时可变性降低的方法包括加载对应于芯片设计的网表,其中芯片设计包括一个或多个电路和多个后填充特征,遍历部分 所述网表对应于电路,从多个后填充特征确定所述电路的填充后环境,以及基于所述填充后环境对所述电路的定时方差进行建模。 该方法还可以包括改变一个或多个后填充特征以实现目标延迟。 该方法可以包括生成电路定时和定时方差的报告。 可以同时遍历一个或多个电路。 定时方差可以用标准时间方差的缩放因子来建模。 本文还公开了与该方法对应的计算机系统和计算机程序产品。