Adiabatic Charging Reversible Logic Using a Switched Capacitor Regenerator(<Special Section>New System Paradigms for Integrated Electronics)

概要

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This report describes a concrete method for realizing adiabatic charging reversible logic. First, we investigate the stabilization properties of a charge recycle regenerator using a switched capacitor circuit by SPICE simulation and an analytical method. In the N-step case, we proved that a step waveform is spontaneously generated. Next, for combinational logic, we propose an adiabatic charging binary decision diagram logic gate (AC-BDD) that uses this regenerator. The AC-BDD uses pass transistor logic based on a BDD, which is suitable for adiabatic logic. 8-bit AC-BDD multipliers were fabricated, and it is clarified that power consumption is reduced to 15% that of the same-rule-designed CMOS at 1 V and 1 MHz. Finally, we propose clocked energy reversible logic (CERL) that maintains the CMOS architecture for CMOS compatibility. CERL can reduce the clocked energy, which is used for charging the clock load capacitance, to 10% that of CMOS by using a power clock from the charge recycle regenerator.
社団法人電子情報通信学会の論文
2004-11-01