Low power CDN
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Low power CDN
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Low power CDN. SPEED. Operate vdd at half rails Data should operate at full rails. 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 trees Multiple Supply Voltages. - PowerPoint PPT Presentation
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Low power CDN
SPEED
• Operate vdd at half rails• Data should operate at full rails
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
A Level Converter Using Multiple Supply Voltages
A Level Converter Using Multiple Supply Voltages
REDUCED SWING APPROACH
Level Converter Using a Reduced Clock Swing
C1+CA Vdd C1+CA VddClk is low H-Vdd=------------------------ Clk is high H-Vdd= ---------------------- C1+C4+CA+CB C2+C3+CA+CB
Clock gating