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    • 3. 发明申请
    • Method for Matching Timing on High Fanout Signal Paths Using Routing Guides
    • 使用路由指南在高扇出信号路径上匹配时序的方法
    • US20110291769A1
    • 2011-12-01
    • US13206449
    • 2011-08-09
    • Michael BURSTEINBoris GINZBURGAndrew NIKISHIN
    • Michael BURSTEINBoris GINZBURGAndrew NIKISHIN
    • H01P5/12
    • G06F17/5077G06F17/5031G06F2217/84
    • A method, algorithm, software, architecture and/or system for routing signal paths or connections between circuit blocks in a circuit design is disclosed. In one embodiment, a method of routing can include: (i) determining a signal path between at least three circuit blocks; (ii) placing a routing guide; and (iii) routing the signal path through the routing guide such that a timing of a signal along the signal path at two or more the circuit blocks is substantially matched. The circuit blocks can include standard cells configured to implement a logic or timing function, other components, and/or integrated circuits, for example. The routing guide can include a splitter configured to branch the signal path into at least two associated segments. Embodiments of the present invention can advantageously improve signal timing for high fanout signal paths between circuit blocks in an automated place-and-route flow.
    • 公开了用于在电路设计中路由信号路径或电路块之间的连接的方法,算法,软件,架构和/或系统。 在一个实施例中,路由的方法可以包括:(i)确定至少三个电路块之间的信号路径; (ii)放置路线指引; 并且(iii)将信号路径路由通过路由引导,使得沿着两个或更多个电路块处的信号路径的信号的定时基本匹配。 电路块可以包括例如被配置为实现逻辑或定时功能的标准单元,其它组件和/或集成电路。 路由指南可以包括分配器,其被配置为将信号路径分支到至少两个相关联的段中。 本发明的实施例可以有利地改善在自动化位置和路由流中的电路块之间的高扇出信号路径的信号定时。