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    • 1. 发明授权
    • Method and apparatus for laying out power supply wiring
    • 布线电源线路的方法和装置
    • US06854094B2
    • 2005-02-08
    • US10261491
    • 2002-10-02
    • Masuo InuiTakashi Kurihara
    • Masuo InuiTakashi Kurihara
    • G06F17/50H01L21/82H01L21/822H01L27/04
    • G06F17/5077
    • A method for designing power supply wiring of a semiconductor integrated circuit having a logic circuit. A first power consumption value of the logic circuit is calculated based on logic connection information, and the power supply wiring is laid out in accordance with the first power consumption value. Logic modification connection information relating to the modified logic circuit is generated when the logic circuit is modified after the power supply wiring is laid out. A second power consumption value of the modified logic circuit is calculated based on the logic modification connection information. When the second power consumption value exceeds the first power consumption value, it is determined that the power supply wiring must be re-laid out. It is thus easily determined whether to re-lay out the power supply wiring without performing power supply network analysis.
    • 一种用于设计具有逻辑电路的半导体集成电路的电源布线的方法。 基于逻辑连接信息计算逻辑电路的第一功耗消耗值,并且根据第一功耗值布置电源布线。 在布置电源布线之后,当修改逻辑电路时,产生与修改的逻辑电路相关的逻辑修改连接信息。 基于逻辑修改连接信息计算修改后的逻辑电路的第二功耗值。 当第二功率消耗值超过第一功耗值时,确定必须重新布置电源布线。 因此容易确定是否重新布线电源线,而不进行电源网络分析。