- Volume 20 Issue 1
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Design of Extendable BCD-EXCESS 3 Code Convertor Using Quantum-Dot Cellular Automata
확장성을 고려한 QCA BCD-3초과 코드 변환기 설계
You, Young-won;Jeon, Jun-cheol
- Received : 2015.01.14
- Accepted : 2016.02.11
- Published : 2016.02.28
Quantum-dot cellular automata (QCA) consists of nano-scale cells and demands very low power consumption so that it is one of the alternative technologies that can overcome the limits of scaling CMOS technologies. Typical BCD-EXCESS 3 code converters using QCA have not considered the scalability so that the architectures are not suitable for a large scale circuit design. Thus, we design a BCD-EXCESS 3 code converter with scalability using QCADesigner and verify the effectiveness by simulation. Our structure have reduced 32 gates and 7% of garbage space rate compare with typical URG BCD-EXCESS 3 code converter. Also, 1 clock is only needed for circuit expansion of our structure though typical QCA BCD-EXCESS 3 code converter demands 7 clocks.
Quantum-dot cellular automata;BCD-EXCESS 3 code converter;Scalability;QCADesigner
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Supported by : 한국연구재단