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    • 6. 发明授权
    • Integrated circuit routing
    • 集成电路布线
    • US06704918B1
    • 2004-03-09
    • US09311981
    • 1999-05-14
    • Anwar AliVirendra Patel
    • Anwar AliVirendra Patel
    • G06F1750
    • G06F17/5077H01L27/0207
    • A technique is described for enabling routing of metallisation wires over sensitive cells of an integrated circuit by means of a global router after the cell circuits have been designed. At least one cell includes dedicated route paths (32, 36, 40, 46) as part of the cell design. The paths may include alternative paths (32 and 36), and concurrently usable paths (40 and 46). By including the routes as part of the cell design, the subsequent problems of a global routing tool routing wires over sensitive areas of the cell can be avoided, and the number of wire routes can be controlled. The global router operates by detecting whether dedicated routes are provided and, if so, identifying the entry/exit points for routes to be used.
    • 描述了一种技术,用于在单元电路被设计之后通过全局路由器实现金属化导线在集成电路的敏感单元上的路由。 至少一个单元包括作为单元设计的一部分的专用路径路径(32,36,40,46)。 路径可以包括替代路径(32和36)以及可同时使用的路径(40和46)。 通过将路由作为单元设计的一部分,可以避免在单元的敏感区域上布线的全局布线工具的后续问题,并且可以控制线路数量。 全局路由器通过检测是否提供专用路由器进行操作,如果是,则识别要使用的路由的入口/出口点。