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AC supply noise reduction in a 3D stack with voltage sensing and clock shifting
AC supply noise reduction in a 3D stack with voltage sensing and clock shifting
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机译:通过电压感应和时钟移位在3D堆栈中降低AC电源噪声
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摘要
There is provided an alternating current supply noise reducer for a 3D chip stack having two or more strata. Each of the strata has a respective one of a plurality of power distribution circuits and a respective one of a plurality of clock distribution circuits arranged thereon. The alternating current supply noise reducer includes a plurality of voltage droop sensors and a plurality of skew adjustors. The plurality of voltage droop sensors is for detecting alternating current supply noise in the plurality of power distribution circuits. One or more voltage droop sensors are respectively arranged on at least some of the strata. The plurality of skew adjusters are for delaying one or more clock signals provided by the plurality of clock distribution circuits responsive to an amount of the alternating current supply noise. Each skew adjuster is respectively arranged on the at least some of the strata.
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