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    • 1. 发明授权
    • Apparatus and method for aiding in designing electronic circuits
    • 有助于设计电子电路的装置和方法
    • US08832630B2
    • 2014-09-09
    • US13555245
    • 2012-07-23
    • Ikuo OhtsukaToshiyasu Sakata
    • Ikuo OhtsukaToshiyasu Sakata
    • G06F17/50H05K3/00
    • G06F17/5077G06F17/5072G06F2217/40H05K3/0005
    • First and second pin groups are each formed from a plurality of pins associated with specific nets. Pins in the first pin group are to be wired to pins in the second pin group according to their associated nets. A candidate selection unit selects a set of pair candidates each specifying a first pair of pins in the first pin group and a second pair of pins in the second pin group. The first and second pairs of pins are associated with the same pair of nets, and their respective distances are within a specified range. A pair determination unit determines which pins in the first and second pin groups are to be wired in pairs, based on the pair candidates selected by the candidate selection unit.
    • 第一和第二引脚组各自由与特定网络相关联的多个引脚形成。 第一个引脚组中的引脚将根据其相关的网络连接到第二个引脚组中的引脚。 候选选择单元选择一组配对候选,每组候选对象指定第一引脚组中的第一对引脚和第二引脚组中的第二对引脚。 第一和第二对引脚与同一对网络相关联,并且它们各自的距离在指定范围内。 对决定单元基于由候选选择单元选择的配对候选,确定第一和第二引脚组中哪些引脚成对布线。
    • 3. 发明授权
    • Method, program, and apparatus for aiding wiring design
    • 用于辅助接线设计的方法,程序和设备
    • US08930869B2
    • 2015-01-06
    • US13075632
    • 2011-03-30
    • Ikuo OhtsukaEiichi KonnoTakahiko OritaYoshitaka NishioToshiyasu Sakata
    • Ikuo OhtsukaEiichi KonnoTakahiko OritaYoshitaka NishioToshiyasu Sakata
    • G06F17/50
    • G06F17/5077
    • A wiring-design aiding method for causing a computer to execute generating paths for buses so that the buses do not cross each other with respect to a wiring area including at least one wiring layer, the paths being represented by corresponding graphics The computer further executes verifying, for each bus, whether wires for nets belonging to the bus are successfully extracted from a component to which the bus is connected; and recording, in the wiring area, graphics representing the nets belonging to a bus for which it is determined in the verification that all the nets belonging to the bus are successfully extracted. The bus-path generation is re-executed with respect to the bus for which it is determined in the verification that at least one of the nets is not successfully extracted.
    • 一种用于使计算机执行总线的产生路径的布线设计辅助方法,使得总线相对于包括至少一个布线层的布线区域彼此不相交,所述路径由相应的图形表示。 计算机还对每个总线进一步验证是否从总线连接的部件成功提取属于总线的网线; 并且在布线区域中记录表示属于总线的网络的图形,在该验证中确定属于总线的所有网络被成功提取。 相对于在验证中确定的总线,重新执行总线路径生成至少一个网络未成功提取。
    • 8. 发明授权
    • Method of searching for wiring route including vias in integrated circuit
    • 在集成电路中搜索包括通孔的布线路径的方法
    • US07765510B2
    • 2010-07-27
    • US12068034
    • 2008-01-31
    • Ikuo Ohtsuka
    • Ikuo Ohtsuka
    • G06F17/50
    • G06F17/5077
    • A wiring design device for an integrated circuit has been disclosed, which is capable of easily changing a via to a redundant via in a route for which search has been completed but which has been found to be changed after the design has advanced and of easily obtaining an optimum solution of a route even if the via is changed to the redundant via. The wiring design device for an integrated circuit comprises an evaluation value calculation circuit that calculates an evaluation value for each of a plurality of wiring routes from a start node to an end node, a determination circuit that determines a wiring route from the start node to the end node based on the calculated evaluation value, and a via type selection circuit that selects a via type to be used according to a difference between line widths of wires, wherein the evaluation value calculation circuit calculates, as to a wiring route in which a via is provided, the evaluation value after the via is provided by calculating a plurality of the evaluation values when different via types are used.
    • 已经公开了一种用于集成电路的布线设计装置,其能够在已经完成搜索的路线中容易地将通道更改为冗余通道,但是在设计提前并且容易获得后已被发现被改变 即使通孔改变为冗余通道,路由的最佳解决方案。 用于集成电路的布线设计装置包括评估值计算电路,其计算从起始节点到结束节点的多条布线路线中的每一条路线的评估值,确定电路,确定从起始节点到 基于所计算的评估值的终端节点,以及根据导线的线宽之间的差选择要使用的通孔类型的通孔型选择电路,其中所述评估值计算电路针对其中通孔 通过在使用不同的通孔类型时,通过计算多个评价值来提供通孔之后的评价值。
    • 9. 发明申请
    • Method of searching for wiring route in integrated circuit, automatic wiring device for integrated circuit, and program therefor
    • 在集成电路中搜索布线路径的方法,集成电路自动布线装置及其编程方法
    • US20080209384A1
    • 2008-08-28
    • US12068034
    • 2008-01-31
    • Ikuo Ohtsuka
    • Ikuo Ohtsuka
    • G06F17/50
    • G06F17/5077
    • A wiring design device for an integrated circuit has been disclosed, which is capable of easily changing a via to a redundant via in a route for which search has been completed but which has been found to be changed after the design has advanced and of easily obtaining an optimum solution of a route even if the via is changed to the redundant via. The wiring design device for an integrated circuit comprises an evaluation value calculation circuit that calculates an evaluation value for each of a plurality of wiring routes from a start node to an end node, a determination circuit that determines a wiring route from the start node to the end node based on the calculated evaluation value, and a via type selection circuit that selects a via type to be used according to a difference between line widths of wires, wherein the evaluation value calculation circuit calculates, as to a wiring route in which a via is provided, the evaluation value after the via is provided by calculating a plurality of the evaluation values when different via types are used.
    • 已经公开了一种用于集成电路的布线设计装置,其能够在已经完成搜索的路线中容易地将通道更改为冗余通道,但是在设计提前并且容易获得后已被发现被改变 即使通孔改变为冗余通道,路由的最佳解决方案。 用于集成电路的布线设计装置包括评估值计算电路,其计算从起始节点到结束节点的多条布线路线中的每一条路线的评估值,确定电路,确定从起始节点到 基于所计算的评估值的终端节点,以及根据导线的线宽之间的差选择要使用的通孔类型的通孔型选择电路,其中所述评估值计算电路针对其中通孔 通过在使用不同的通孔类型时,通过计算多个评价值来提供通孔之后的评价值。