CMOL Based Quaded Transistor NAND Gate Building Block of Robust Nano Architecture
Journal of Electrical and Electronic Engineering
Volume 5, Issue 6, December 2017, Pages: 242-249
Received: Jun. 15, 2017; Accepted: Jun. 30, 2017; Published: Jan. 2, 2018
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Mohammed Hadifur Rahman, Department of Electrical and Electronic Engineering, University of Dhaka, Dhaka, Bangladesh
Shahida Rafique, Institute of Science and Technology, Affiliated to National University of Bangladesh, Dhaka, Bangladesh
Mohammad Shafiul Alam, Department of Electrical and Electronic Engineering, University of Dhaka, Dhaka, Bangladesh
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Nano architectures are more prone to defects. This work is aimed at finding the effectiveness of using quaded structure devices to improve the reliability of logic gates in Nano lavel. Transistor level redundancy (Quaded Structure) has been applied in a CMOS gate (NAND) design to improve the reliability. Being an universal gate, NAND gate can be the building block for nano architecture. CMOL is a hybrid architecture that combines conventional CMOS and Nano architecture together. Based on CMOL, a NAND gate design has been proposed. To study the performance of the proposed architecture, theoretical analysis has been proposed. Moreover, to evaluate the effectiveness of the quaded structured NAND (QNAND) gate, detailed simulation was carried out. Simulation results illustrates that quaded structured design achieves significantly higher defect tolerance by enhancing the reliability of the QNAND gate.
Quaded Structure, Reliability, Cmol, Nand Gate, Nano Architecture
To cite this article
Mohammed Hadifur Rahman, Shahida Rafique, Mohammad Shafiul Alam, CMOL Based Quaded Transistor NAND Gate Building Block of Robust Nano Architecture, Journal of Electrical and Electronic Engineering. Vol. 5, No. 6, 2017, pp. 242-249. doi: 10.11648/j.jeee.20170506.15
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This article is an open access article distributed under the Creative Commons Attribution License ( which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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