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    • 2. 发明申请
    • DESIGNING DEVICE FOR SEMICONDUCTOR INTEGRATED CIRCUIT AND DESIGNING METHOD FOR SEMICONDUCTOR INTEGRATED CIRCUIT
    • 用于半导体集成电路的设计器件和半导体集成电路的设计方法
    • US20130074027A1
    • 2013-03-21
    • US13422236
    • 2012-03-16
    • Kazunari KIMURA
    • Kazunari KIMURA
    • G06F17/50
    • G06F17/5077
    • A designing device for a semiconductor integrated circuit of an embodiment includes a low-order hierarchy wiring design portion configured to design a first wiring; and a high-order hierarchy wiring design portion configured to design a second wiring. The low-order hierarchy wiring design portion divides the first functional block into a plurality of small regions, calculates a number of wiring layers required for wiring in the functional block for each of the plurality of small regions and sets the number as the number of low-order hierarchy wiring layers, sets wiring layers in the number of the low-order hierarchy wiring layers from the wiring layer located on the lowermost part as a low-order hierarchy wiring region for each of the plurality of small regions, and places the first wiring in the low-order hierarchy wiring region.
    • 实施例的半导体集成电路的设计装置包括被配置为设计第一布线的低阶层布线设计部分; 以及配置为设计第二布线的高阶层布线设计部分。 低级布线设计部将第一功能块分割为多个小区域,计算多个小区域中的每一个的功能块中布线所需的布线层数,并将该数量设定为低 将位于最下部的布线层的低层布线层的数量的布线层设置为多个小区域中的每一个的低层布线区域的布线层,并且将第一层布线层 布线在低层布线区域。