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1. 发明授权

US08635572B1 Circuitry having programmable power rails, architectures, apparatuses, and systems including the same, and methods and algorithms for programming and/or configuring power rails in an integrated circuit 失效
标题翻译：具有可编程电源轨的电路，包括其的系统，设备和系统以及用于在集成电路中编程和/或配置电源轨的方法和算法
公开(公告)号：US08635572B1
公开(公告)日：2014-01-21
申请号：US13859220
申请日：2013-04-09
申请人： Marvell International Ltd.
发明人： Jianwen Jin , Eugene Ye
IPC分类号： G06F17/50
CPC分类号： G06F17/5045 , G06F2217/78
摘要： Circuits, architectures, a system and methods for providing multiple power rails to a plurality of standard cells in a region of an integrated circuit. The circuitry generally includes a plurality of cells configured for connection to a first or second power rail, the first power rail providing a first voltage to at least one of the plurality of cells, and the second power rail providing a second voltage (which may be independent from the first voltage) to remaining cells in the plurality of cells. The method generally includes routing, in an IC layout, a first power rail providing a first voltage and a second power rail providing a second voltage, placing the plurality of cells, and selectively connecting first and second subsets of the plurality of cells to the first and second power rails, respectively. The present invention further advantageously minimizes regional layout design considerations and time delays.
摘要翻译：电路，架构，用于向集成电路的区域中的多个标准单元提供多个电源轨的系统和方法。电路通常包括被配置为连接到第一或第二电力轨道的多个单元，所述第一电力轨道向所述多个电池单元中的至少一个提供第一电压，并且所述第二电力轨道提供第二电压（其可以是独立于第一电压）到多个单元中的剩余单元。该方法通常包括在IC布局中布置提供第一电压的第一电源轨和提供第二电压的第二电源轨，放置多个单元，以及将多个单元的第一和第二子集选择性地连接到第一电压和第二个电源轨。本发明进一步有利地使区域布局设计考虑和时间延迟最小化。

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