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Method and apparatus for implementing balanced clock distribution networks on ASICs with voltage islands functioning at multiple operating points of voltage and temperature
Method and apparatus for implementing balanced clock distribution networks on ASICs with voltage islands functioning at multiple operating points of voltage and temperature
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机译:在具有电压岛在多个电压和温度工作点上运行的ASIC上实现平衡时钟分配网络的方法和装置
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摘要
A method and apparatus implement balanced clock distribution networks on application specific integrated circuits (ASICs) with voltage islands functioning at multiple operating points of voltage and temperature, and a design structure on which the subject circuit resides is provided. A clock source is coupled to an N-level balanced clock tree providing a clock signal. Each of a plurality of voltage islands includes a respective voltage shifter and programmable delay function receiving the clock signal. Each respective voltage shifter and programmable delay function provides a second clock signal to a respective balanced clock tree for the associated voltage island. A system controller provides a respective control input to each respective voltage shifter and programmable delay function. The respective control input is varied dynamically corresponding to an operational mode of the respective voltage island.
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