Importance

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Abstract

A clock distribution circuit is provided with a clock generation circuit configured to generate a clock signal, a clock distribution network in which the clock signal is distributed, and a sequential circuit configured to operate on the clock signal distributed through a branch point of the clock distribution network. The clock distribution circuit is further provided with a clock generation circuit configured to input as a feedback signal the clock signal that has branched from the branch point and to output the clock signal to the clock distribution network based on the inputted feedback signal and a reference clock signal. The branch point is provided at a clock driver near the clock generation circuit, among preceding stage clock drivers of the sequential circuit of the clock distribution network.

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First Claim