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    • 65. 发明授权
    • Method and apparatus for low power semiconductor chip layout and low power semiconductor chip
    • 低功耗半导体芯片布局和低功耗半导体芯片的方法和装置
    • US08539388B2
    • 2013-09-17
    • US12852664
    • 2010-08-09
    • Chewn-Pu JouMing-Tsun LinFu-Lung HsuehShauh-Teh Juang
    • Chewn-Pu JouMing-Tsun LinFu-Lung HsuehShauh-Teh Juang
    • G06F17/50
    • G06F17/5068G06F17/505G06F2217/78
    • A layout system is described comprising a layout unit configured to layout cells in a mask design for a semiconductor chip based on library cells for a specified process node; a non-critical path determination unit configured to determine a non-critical path in the semiconductor chip; a cell determination unit configured to determine a group of cells in the mask design that form a part of the non-critical path and determine the corresponding library cell for at least one of the group of cells; a library cell modifying unit configured to modify one or more corresponding library cells to form a corresponding modified library cell; and a cell replacement unit configured to replace a library cell in the group of cells in the mask design that form a part of the non-critical path with the corresponding modified library cell.
    • 描述布局系统,其包括布局单元,其被配置为基于用于指定处理节点的库单元为半导体芯片的掩模设计布置单元; 非关键路径确定单元,被配置为确定半导体芯片中的非关键路径; 细胞确定单元,被配置为确定所述掩模设计中形成所述非关键路径的一部分的一组细胞,并确定所述细胞组中的至少一个的相应库细胞; 文库细胞修饰单元,被配置为修饰一个或多个相应的文库细胞以形成相应的修饰的文库细胞; 以及细胞置换单元,被配置为用形成所述非关键路径的一部分的掩模设计中的所述细胞组中的库单元替换相应的修改的库单元。