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Spatially aware drive strength dependent die size independent combinatorial spare cell insertion manner and related system and method
Spatially aware drive strength dependent die size independent combinatorial spare cell insertion manner and related system and method
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机译:空间感知驱动强度依赖于管芯尺寸的组合备用电池的插入方式以及相关系统和方法
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摘要
A design method for an integrated circuit adds spare cells in a System-on-Chip to allow for Engineering Change Orders (ECOs) to be performed at a later stage in the design. This method can be used to provide a second version of the chip having minimal alterations performed in a short cycle time. The spare cells can be divided into combinational and sequential cells. There is an optimum spread of combinational cells in the design for post placement repairs of the chip with just metal layer changes. The method takes into account the drive strength of the spare cells as the main factor in their placement on the chip.
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