Resonant tree driven clock distribution grid
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United States of America Patent
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Aug 4, 2009
Grant Date -
Sep 6, 2007
app pub date -
Apr 26, 2007
filing date -
Nov 24, 2003
priority date (Note) -
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Abstract
An integrated circuit (IC), IC assembly and circuit for distributing a clock signal in an integrated circuit includes a capacitive clock distribution circuit having at least one conductor therein. At least one inductor is formed in a metal layer of the integrated circuit and is coupled to the clock distribution circuit. The inductor, generally in the form of a number of spiral inductors distributed throughout the integrated circuit, provides an inductance value selected to resonate with the capacitive clock distribution circuit at resonance, power dissipation is reduced while skew and jitter performance can be improved.
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