Design and analysis of 4-bit absolute-value comparator in 65nm technology using hybrid TG/CMOS

Research Article
Open access

Design and analysis of 4-bit absolute-value comparator in 65nm technology using hybrid TG/CMOS

Yujie Wang 1*
  • 1 Northwestern Polytechnical University    
  • *corresponding author wangyujie@nwpu.edu.cn
Published on 21 February 2024 | https://doi.org/10.54254/2755-2721/39/20230599
ACE Vol.39
ISSN (Print): 2755-273X
ISSN (Online): 2755-2721
ISBN (Print): 978-1-83558-303-6
ISBN (Online): 978-1-83558-304-3

Abstract

Comparators are an important part of the calculator architecture, and rapid advances in semiconductor and electronics technology have placed higher demands on their performance. Optimization of digital systems involves several levels in order to make improvements in their power consumption, delay, and other parameters. This paper designs a low-power, high speed, and area efficient 4-bit absolute-value comparator, which utilizes a static Complementary Metal-Oxide-Semiconductor (CMOS) and Transmission Gate (TG) hybrid structure. The design optimizes the system at the level of separate circuit blocks, logic gates and transistors. The logic functions are realized by means of transcoding and magnitude Comparison, and the input signals are all driven by two-stage inverters. MUX and XOR with excellent performance of TG structure are implemented using simulation and analysis. In this paper, the transistor sizes and supply voltages of each logic gate are calculated and optimized using MATLAB by applying logic effort theory. The design uses a 65nm technology, and transient simulation of the overall system in Cadence successfully realizes its logic functions with 0.83ns delay and 49.6uw power consumption, proving the effectiveness of the design. This study based on theoretical calculations and simulations is a good reference for the design and theoretical study of very large-scale integrated circuits (VLSI).

Keywords:

CMOS technology, VLSI, surface area, comparator

Wang,Y. (2024). Design and analysis of 4-bit absolute-value comparator in 65nm technology using hybrid TG/CMOS. Applied and Computational Engineering,39,189-200.
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References

[1]. Suri, L. , Lamba, D. , Kritarth, K. , & Sharma, G. (2013). High performance and power efficient 32-bit carry select adder using hybrid PTL/CMOS logic style. International Multi-conference on Automation. IEEE.

[2]. Sharma, G. , Nirmal, U. , & Misra, Y. (2011). A Low Power 8-bit Magnitude Comparator with Small Transistor Count using Hybrid PTL/CMOS Logic.

[3]. Luan, Lili. (2017). Characterization and comparison of single-supply absolute value circuits. Electronic Fabrication (22), 2.

[4]. Li, Y.-J., Wu, Y.-W., Zhang, E.-S., & Liang, Y. (2017). Front-end sampling design of active power filter based on absolute value circuit. Yunnan Power Technology (Vol. 45, pp. 3).

[5]. Iranmanesh, S. , Raikos, G. , Jiang, Z. , & Rodriguez-Villegas, E. (2016). CMOS implementation of a low power absolute value comparator circuit. New Circuits & Systems Conference. IEEE.

[6]. Kumngern, M. (2013). Absolute Value Circuit for Biological Signal Processing Applications. Proceedings of the 2013 4th International Conference on Intelligent Systems, Modelling and Simulation. IEEE.

[7]. Wu, Jian, Wu, W., & Jia, Qianwei. (2012). Application of absolute value circuits in analog-to-digital conversion. Automation Technology and Applications (8), 3.

[8]. Bhuyan, Muhibul & Riyadh, Md. Mubarak & Hossain, Md & Rahman, Md. (2020). Design and Simulation of a Low Design and Simulation of a Low Power and High-Speed 4-Bit Magnitude Comparator Circuit using CMOS in DSch and Microwind. 20. 82-94.

[9]. Mukherjee, D. N. , Panda, S. , & Maji, B. (2017). Design of Low Power 12-bit Magnitude Comparator. International Conference on Devices for Integrated Circuit.

[10]. Weste, N. , & Eshraghian, K. (1993). Principles of CMOS VLSI Design: Second Edition.

[11]. Chandrakasan, A. , & Brodersen, R. Low-Power CMOS Design. IEEE Xplore.

[12]. Morgenshtein, A. , Fish, A. , & Wagner, I. A. (2002). Gate-diffusion input (GDI): a power-efficient method for digital combinatorial circuits. IEEE Educational Activities Department.


Cite this article

Wang,Y. (2024). Design and analysis of 4-bit absolute-value comparator in 65nm technology using hybrid TG/CMOS. Applied and Computational Engineering,39,189-200.

Data availability

The datasets used and/or analyzed during the current study will be available from the authors upon reasonable request.

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About volume

Volume title: Proceedings of the 2023 International Conference on Machine Learning and Automation

ISBN:978-1-83558-303-6(Print) / 978-1-83558-304-3(Online)
Editor:Mustafa İSTANBULLU
Conference website: https://2023.confmla.org/
Conference date: 18 October 2023
Series: Applied and Computational Engineering
Volume number: Vol.39
ISSN:2755-2721(Print) / 2755-273X(Online)

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References

[1]. Suri, L. , Lamba, D. , Kritarth, K. , & Sharma, G. (2013). High performance and power efficient 32-bit carry select adder using hybrid PTL/CMOS logic style. International Multi-conference on Automation. IEEE.

[2]. Sharma, G. , Nirmal, U. , & Misra, Y. (2011). A Low Power 8-bit Magnitude Comparator with Small Transistor Count using Hybrid PTL/CMOS Logic.

[3]. Luan, Lili. (2017). Characterization and comparison of single-supply absolute value circuits. Electronic Fabrication (22), 2.

[4]. Li, Y.-J., Wu, Y.-W., Zhang, E.-S., & Liang, Y. (2017). Front-end sampling design of active power filter based on absolute value circuit. Yunnan Power Technology (Vol. 45, pp. 3).

[5]. Iranmanesh, S. , Raikos, G. , Jiang, Z. , & Rodriguez-Villegas, E. (2016). CMOS implementation of a low power absolute value comparator circuit. New Circuits & Systems Conference. IEEE.

[6]. Kumngern, M. (2013). Absolute Value Circuit for Biological Signal Processing Applications. Proceedings of the 2013 4th International Conference on Intelligent Systems, Modelling and Simulation. IEEE.

[7]. Wu, Jian, Wu, W., & Jia, Qianwei. (2012). Application of absolute value circuits in analog-to-digital conversion. Automation Technology and Applications (8), 3.

[8]. Bhuyan, Muhibul & Riyadh, Md. Mubarak & Hossain, Md & Rahman, Md. (2020). Design and Simulation of a Low Design and Simulation of a Low Power and High-Speed 4-Bit Magnitude Comparator Circuit using CMOS in DSch and Microwind. 20. 82-94.

[9]. Mukherjee, D. N. , Panda, S. , & Maji, B. (2017). Design of Low Power 12-bit Magnitude Comparator. International Conference on Devices for Integrated Circuit.

[10]. Weste, N. , & Eshraghian, K. (1993). Principles of CMOS VLSI Design: Second Edition.

[11]. Chandrakasan, A. , & Brodersen, R. Low-Power CMOS Design. IEEE Xplore.

[12]. Morgenshtein, A. , Fish, A. , & Wagner, I. A. (2002). Gate-diffusion input (GDI): a power-efficient method for digital combinatorial circuits. IEEE Educational Activities Department.