QCA Gray Code Converter Circuits Using LTEx Methodology

Mukherjee, Chiradeep; Panda, Saradindu; Mukhopadhyay, Asish K.; Maji, Bansibadan

doi:10.1007/s10773-018-3732-4

Cited by 12 publications

(4 citation statements)

References 34 publications

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“…In addition to this, the percentage improvement of proposed designs compared to previously reported best design 60 has been presented in Table 15. The proposed designs achieve performance improvement of up to 95.91%, 96.83%, 66.13%, and 99.64% in terms of cell count, total area, latency, and cost compared to designs of Mukherjee et al 60 An exhaustive analysis of proposed N-bit designs has also been done. Liu et al 61 suggested a complexity metric which evaluates the fabrication difficulty of any QCA circuit based on the number of majority voters (M), number of inverters (I), and number of crossovers (C).…”

Section: Resultsmentioning

confidence: 99%

“…It is observed that the proposed designs are most efficient designs and cost efficient when being scaled to higher order G2B converters. In addition to this, the percentage improvement of proposed designs compared to previously reported best design 60 has been presented in Table 15. The proposed designs achieve performance improvement of up to 95.91%, 96.83%, 66.13%, and 99.64% in terms of cell count, total area, latency, and cost compared to designs of Mukherjee et al 60 …”

Section: Resultsmentioning

confidence: 99%

“…62 Based on these performance metrics, Table 16 presents the performance of proposed N-bit B2G converter, N-bit G2B converter, and N-bit communication system compared to N-bit designs of other works. 59,60 For any value of N ≥ 4, the performance can be evaluated, and this performance has been presented graphically in Figures 19-22. It is observed from Table 16 and Figures 19-22 that the complexity and irreversible power dissipation of N-bit B2G and N-bit G2B converters is equal whereas proposed N-bit communication has double complexity and irreversible power dissipation than both these designs. Cost of N-bit communication system is highest, whereas N-bit B2G converter has lowest cost.…”

Section: Resultsmentioning

confidence: 99%

“…Based on these performance metrics, Table 16 presents the performance of proposed N‐bit B2G converter, N‐bit G2B converter, and N‐bit communication system compared to N‐bit designs of other works 59,60 . For any value of N ≥ 4, the performance can be evaluated, and this performance has been presented graphically in Figures 19–22.…”

Section: Resultsmentioning

confidence: 99%

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Design of quantum‐dot cellular automata‐based communication system using modular N‐bit binary to gray and gray to binary converters

Ahmed

Naz

Sharma

et al. 2020

Int J Communication

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In the current digital era, there is a need of secure and efficient nano communication systems with ultra-low power consumption. One technology that can be used for designing these systems is quantum-dot cellular automata (QCA). In the nano regime, QCA is able to operate with higher speed and lower power dissipation along with high density compared to CMOS technology. This work explores the applicability and feasibility of designing nano communication systems using code converters. In this paper, efficient 4-bit, 8-bit, and 16-bit designs of binary to gray (B2G) and gray to binary (G2B) converters which can be scaled up to N-bits are proposed. The N-bit B2G and G2B converters can be designed using 33 + 38 (0.25N − 1) and 63 + 76 (0.25N − 1) cells with a latency of 0.5 and 0.25N clock cycles, respectively. The converters are then used to design 4-bit, 8-bit, 16-bit, and 32-bit communication systems for efficient data transmission and reception. Based on the performance comparison, it is observed that the proposed B2G and G2B designs achieve up to 90.03% and 99.64% improvement in terms of cost of the circuit thereby making them most cost efficient QCA designs. In addition to this, exhaustive energy dissipation analysis of the proposed designs is also presented. It is observed that the proposed designs can be efficiently utilized in designing nano communication systems requiring minimal area and ultra-low power consumption.quantum-dot cellular automata, code converters, nano-communication system, binary to gray converters, gray to binary converters | INTRODUCTIONQuantum-dot cellular automata (QCA), owing to its high density, small size, and ultra-low power dissipation in the nano regime while operating at high frequencies (in the range of few THz), is an emerging technology to design digital circuits in the sub-nano regime where CMOS is facing various limitations. QCA technology was first proposed in 1993 by Lent et al., 1 and over the last decade, it has been exhaustively used to design various digital logics such as adders and subtractors, 2-9 sequential circuits, 10-14 reversible logic, 9,15-20 and memories. [21][22][23][24] One such application area where it has been used is the design of code converters. [25][26][27][28][29] In digital systems, the code converters play a significant role for

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%