Design of Low Power CMOS Logic Circuits Using Gate Diffusion Input (GDI) Technique

Syamala, Y.; Srilakshmi, K.; N, Somasekhar Varma

doi:10.5121/vlsic.2013.4507

Cited by 1 publication

(2 citation statements)

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“…The multiple decrements of the EDP in the GDI approach are possibly due to the lower power consumption and multiple decrements of the propagation delay of the GDI circuit. Thus, the pro of GDI is able to provide a circuit with lesser energy consumption, lower lag, and smaller area while the cons of GDI is the expensive fabrication cost as it requires a twin-well CMOS or silicon-on-insulator (SOI) process to realize the design [10].…”

Section: Resultsmentioning

confidence: 99%

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Simulation and Characterization of Carbon Nanotube-based 2:1 Multiplexer Electrical Properties

Ying,

Johari

2023

J. Phys.: Conf. Ser.

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This paper reports on using simulation to characterize a Carbon Nanotube (CNT) based 2:1 multiplexer (MUX). This study aimed to evaluate the electrical properties, particularly the propagation delay, average power consumption, Power-Delay Product (PDP), and Energy-Delay Product (EDP). Different design approaches namely conventional CMOS, Pass Transistor Logic (PTL) approach, and Gate Diffusion Input (GDI) were adopted. The voltage supply (VDD) and diameter of the CNT are varied to see the effect on the electrical properties. The simulation was carried out using HSPICE. Through simulation, it is found that the GDI approach used the least number of transistors followed by PTL and CMOS. The calculation of the propagation delay exhibits a substantial improvement of more than 95% using the GDI approach. The average power consumption shows a 55.30% and 35.16% reduction when compared to CMOS and PTL respectively. The PDP demonstrates an improvement of more than 95% when compared with conventional CMOS and PTL approaches. The same trend of observation is also achieved for EDP. The variation of the VDD and chirality has a markable effect on the propagation delay and average power consumption. This is a preliminary attempt to evaluate the performance of CNT implementation in MUX. The outcome can become the guideline for engineers working in circuit design using emerging materials for future nanoelectronics applications.

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Section: Resultsmentioning

confidence: 99%

“…The GDI technique is aimed to reduce the number of transistors used while providing the same functionality [10]. The GDI technique uses single diffusion input to control the switching of the transistors [11].…”

Section: Gate Diffusion Input 2:1 Mux Design Approachmentioning

confidence: 99%

Simulation and Characterization of Carbon Nanotube-based 2:1 Multiplexer Electrical Properties

Ying,

Johari

2023

J. Phys.: Conf. Ser.

View full text Add to dashboard Cite

show abstract

Design of Low Power CMOS Logic Circuits Using Gate Diffusion Input (GDI) Technique

Abstract: The Gate diffusion input (GDI) is a novel technique for low power digital circuit design. This

Cited by 1 publication

References 3 publications

Simulation and Characterization of Carbon Nanotube-based 2:1 Multiplexer Electrical Properties

Simulation and Characterization of Carbon Nanotube-based 2:1 Multiplexer Electrical Properties

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