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1.发明授权
公开(公告)号：US5644500A
公开(公告)日：1997-07-01
申请号：US673472
申请日：1996-07-01
申请人： Hiroshi Miura , Masato Ariyama , Kazuyuki Iida , Kazufumi Iwahara , Mitsunobu Okano , Hiroyuki Orihara , Akira Katsumata , Toshiyasu Sakata , Masaharu Nishimura , Hirofumi Hamamura , Naoki Murakami , Mitsuru Yasuda , Yasuhiro Yamashita , Ryouji Yamada , Atsushi Yamane
发明人： Hiroshi Miura , Masato Ariyama , Kazuyuki Iida , Kazufumi Iwahara , Mitsunobu Okano , Hiroyuki Orihara , Akira Katsumata , Toshiyasu Sakata , Masaharu Nishimura , Hirofumi Hamamura , Naoki Murakami , Mitsuru Yasuda , Yasuhiro Yamashita , Ryouji Yamada , Atsushi Yamane
IPC分类号： H01L21/3205 , G06F17/50 , H01L21/82 , H01L23/52 , G06F15/00
CPC分类号： G06F17/5072 , G06F17/5077
摘要： This invention is directed to a method and apparatus to find out an optimum solution in automatic routing or automatic placement with certainty and at a high-speed to improve a routing rate, and to realize automatic routing in a high-density. To these end, a routing approach is selected in a conversational mode while routing efficiency is consulted to compose routing processing procedure so as to generate a routing program. Besides, component placement processing procedures designated according to placement control information are combined to generate the placement program. A straight line between component pins adjacent to each other is defined as a chord, a wave for maze method routing is generated from a start point toward an end point of a routing path and propagated between the chords adjacent to each other. Positions of the chords through which the wave has passed until reaching the end point from the start point are successively stored and the positions through which the wave has passed is traced back to the start point from the end point when the wave reaches the end point to decide a routing path of the routing pattern. The method and apparatus of this invention are applicable to routing design or component placement design of LSIs, multichip modules, printed circuit boards, etc.
摘要翻译： 本发明涉及一种以确定性和高速度找出自动路由或自动放置的最佳方案以提高路由速率并实现高密度自动路由的方法和装置。 为此，在会话模式中选择路由选择方法，同时查询路由效率以组合路由处理过程，以便生成路由程序。 此外，组合根据放置控制信息指定的部件布置处理程序以生成放置程序。 彼此相邻的部件销之间的直线被定义为和弦，从起点到路径路径的终点产生迷宫方法路由的波，并且在彼此相邻的和弦之间传播。 通过波过去的和弦直到从起点到达终点的弦的位置被连续地存储，并且当波到达终点时波已经通过的位置从终点被追溯到起点 决定路由模式的路由路径。 本发明的方法和装置可应用于LSI，多芯片模块，印刷电路板等的布线设计或组件放置设计。
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公开(公告)号：US5751597A
公开(公告)日：1998-05-12
申请号：US699208
申请日：1996-08-19
IPC分类号： G06F17/50
CPC分类号： G06F17/5077
摘要： A CAD apparatus for designing wires for an LSI or a printed circuit board is improved in that it can detect and determine a wire which is very probably influenced by crosstalk noise accurately in a short time and allows to make it clear how to modify wires. The CAD apparatus comprises a CAD execution section for designing wires, a display section for displaying a wire condition designed by the CAD execution section, and a display control section for controlling the displaying condition of the display section. The display control section controls the display section to display wire patterns of wires on the LSI or the printed circuit board obtained by designing of wires by the CAD execution section as well as the signal propagation directions of the individual wires.
摘要翻译： 改进了用于设计用于LSI或印刷电路板的导线的CAD装置，其可以在短时间内精确地检测和确定非常可能受串扰噪声影响的导线，并且允许清楚如何修改导线。 CAD装置包括用于设计线的CAD执行部分，用于显示由CAD执行部分设计的线状况的显示部分和用于控制显示部分的显示状态的显示控制部分。 显示控制部分控制显示部分显示LSI或通过CAD执行部分设计电线而获得的印刷电路板上的导线图案以及各线的信号传播方向。
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3.发明授权Computer aided design system for narrowing a list of candidate circuits based on a circuit search-range narrowing condition 有权计算机辅助设计系统，用于基于电路搜索范围变窄条件来缩小候选电路的列表公开(公告)号：US08065654B2
公开(公告)日：2011-11-22
申请号：US12261444
申请日：2008-10-30
IPC分类号： G06F17/50
CPC分类号： G06F17/5045 , G06F2217/74
摘要： A computer aided design system is provided that includes a display, an input unit for inputting a circuit search-range narrowing condition, and a processing unit for, when a circuit topology of a circuit to be designed is changed, finding recommended circuits by searching a database, which stores part data and circuit data, based on the circuit search-range narrowing condition, and displaying a list of the recommended circuits on the display.
摘要翻译： 提供了一种计算机辅助设计系统，其包括显示器，用于输入电路搜索范围变窄状态的输入单元和用于当要设计的电路的电路拓扑改变时的处理单元，通过搜索一个 数据库，其基于电路搜索范围变窄条件存储部件数据和电路数据，并在显示器上显示推荐电路的列表。
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公开(公告)号：US5790414A
公开(公告)日：1998-08-04
申请号：US966659
申请日：1997-11-10
CPC分类号： G06F17/5077
摘要： An automatic routing method and an automatic routing apparatus enable an optimum automatic routing under severe design conditions due to high-density mounting of an object of a wiring design such as an LSI, a multichip module, a printed wiring board, etc. The automatic routing apparatus has an area input unit for inputting area information for setting a routing controlled area in which an automatic routing is performed under specific routing control conditions within a wiring area of an object of the wiring design, a condition input unit for inputting condition information for designating the routing control conditions in the routing controlled area set according to the area information inputted from the area input unit, and an automatic routing unit for automatically routing under the specific routing control conditions designated according to the condition information inputted from the condition input unit within the routing controlled area.
摘要翻译： 由于LSI，多芯片模块，印刷线路板等布线设计的对象的高密度安装，自动布线方式和自动布线装置能够在恶劣的设计条件下进行最佳自动布线。自动布线 装置具有区域输入单元，用于输入用于设置在布线设计的对象的布线区域内的特定路线控制条件下执行自动布线的路线控制区域的区域信息，条件输入单元，用于输入用于指定的条件信息 根据从区域输入单元输入的区域信息设置的路由控制区域中的路由选择控制条件，以及根据从该条件输入单元输入的条件信息指定的特定路由控制条件自动路由的自动路由单元 路由控制区。
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公开(公告)号：US20090125507A1
公开(公告)日：2009-05-14
申请号：US12261444
申请日：2008-10-30
CPC分类号： G06F17/5045 , G06F2217/74
摘要： A computer aided design system is provided that includes a display, an input unit for inputting a circuit search-range narrowing condition, and a processing unit for, when a circuit topology of a circuit to be designed is changed, finding recommended circuits by searching a database, which stores part data and circuit data, based on the circuit search-range narrowing condition, and displaying a list of the recommended circuits on the display.
摘要翻译： 提供了一种计算机辅助设计系统，其包括显示器，用于输入电路搜索范围变窄状态的输入单元和用于当要设计的电路的电路拓扑改变时的处理单元，通过搜索一个 数据库，其基于电路搜索范围变窄条件存储部件数据和电路数据，并在显示器上显示推荐电路的列表。
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