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Ultra-low-power adiabatic flip-flops and sequential circuits using three-phase AC power supply

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3 Author(s)
Hu Jianping ; Fac. of Inf. Sci. & Technol., Ningbo Univ., China ; Wu Yangbo ; Li Hong

We propose a new dual transmission gate adiabatic logic (DTGAL) for ultra-low-power design, which is driven by three-phase AC power supply. DTGAL has more efficient energy transfer and recovery, because it hasn't the non-adiabatic energy loss. We also discuss the design of adiabatic sequential circuits. For the energy-efficient design, we explained how to design an adiabatic D flip-flops with DTGAL. A practical sequential system was designed and demonstrated using MOSIS 0.25μm CMOS process parameters. SPICE simulation results show that the adiabatic flip-flop based on DTGAL is 3 to 4.5 times more energy efficient than 2N-2N2P for clock rates ranging from 50 to 200MHz. In conclusion, DTGAL has better energy saving advantage, and adiabatic D flip-flop based on DTGAL is suitable for the applications in the low-power sequential system.

Published in:

ASIC, 2003. Proceedings. 5th International Conference on  (Volume:2 )

Date of Conference:

21-24 Oct. 2003