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Download - Low power CDN

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Low power CDN

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SPEED

• Operate vdd at half rails• Data should operate at full rails

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Smaller voltage to distribute the signal over the chip, and then converting this low voltage clock signal back to a higher voltage at the utilization points

Low vdd clock treesMultiple Supply Voltages

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A Level Converter Using Multiple Supply Voltages

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A Level Converter Using Multiple Supply Voltages

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REDUCED SWING APPROACH

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Level Converter Using a Reduced Clock Swing

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C1+CA Vdd C1+CA VddClk is low H-Vdd=------------------------ Clk is high H-Vdd= ---------------------- C1+C4+CA+CB C2+C3+CA+CB

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Clock gating

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