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Performance Comparison of CNFET-Based (8:2) and (8:3) Compressors

Shima Mehrabi 1 and Amirhossein Jamalian 2
1. Department of Computer Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
2. Artificial Intelligence, Faculty of Computer Science, Technical University of Chemnitz, Germany

Abstract— Compressors are known as a key processing elements to accumulate and reduce partial products in a parallel manner in multipliers. This paper conducts a comprehensive analysis and comparison between two high-order (8:2) and (8:3) compressors based on Carbon Nanotube Field Effect Transistor (CNFET) technology. Furthermore, two well-known Full-Adder (FA) are also employed within the cells to analyse and compared for speed, power consumption, and power-delay product at transistor-level.

Simulations are carried out using Synopsys HSPICE with 32nm CNTFET technology.The results of simulation demonstrate the superiority of the (8:3) compressor in terms of power and Power-Delay Product (PDP) around 67% and 44% respectively in comparison with (8:2) compressors by deploying symmetrical CNT Full-Adder cells. 
 
Index Terms— Full-Adder, Compressor, Multiplier, Low-Power, High-performance, CNFETs, Nanotechnology

Cite: Shima Mehrabi and Amirhossein Jamalian, "Performance Comparison of CNFET-Based (8:2) and (8:3) Compressors" International Journal of Mechanical Engineering and Robotics Research, Vol. 8, No. 4, pp. 536-541, July 2019. DOI: 10.18178/ijmerr.8.4.536-541

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