Efficient Design of QCA Adder Structures

Sansiri Haruehanroengra; Wei Wang

doi:10.4028/www.scientific.net/SSP.121-123.553

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HomeSolid State PhenomenaSolid State Phenomena Vols. 121-123Efficient Design of QCA Adder Structures

Efficient Design of QCA Adder Structures

Abstract:

Optimizing arithmetic primitives such as quantum-dot cellular automata (QCA) adders is important for investigating high-performance QCA computers in this emerging nano-technological paradigm. In this paper, we demonstrate that QCA ripple carry adder and bit-serial adder designs actually outperform carry-look-ahead and carry-select adder designs because of the increase in required interconnects. Simulation results obtained by using the QCADesigner tool for the proposed adder designs are also presented.

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Periodical:

Solid State Phenomena (Volumes 121-123)

Pages:

553-556

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.121-123.553

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Online since:

March 2007

Authors:

Sansiri Haruehanroengra, Wei Wang

Keywords:

Majority Gate, QCA Adder, QCA Cloking Zone, QCA D-Latch, QCA Multi Layer Interconnect, Quantum-Dot Cellular Automata

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References

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