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Design and Performance Analysis of Ultra Fast CNFET Comparator and CMOS Implementation Comparison

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4 Author(s)
Bari, S. ; Dept. of Electr. & Electron. Eng., American Int. Univ., Dhaka, Bangladesh ; Shonchoy, N. ; Kabir, F.T. ; Khan, A.

This paper presents an ultra fast comparator using Carbon Nanotube Field Effect Transistor (CNFET) and the simulation results of prime performance parameters of this proposed CNFET comparator. As CNFET devices are widely considered much faster than their CMOS counterparts, the CNFET comparator should show much improved performance than the CMOS one. Therefore the key performances of the comparator like rising and falling delay, gain, average power dissipation and other transient responses of the proposed CNFET comparator are analyzed from simulation results and are compared with the simulation results of the CMOS comparator in the same condition. Both the comparators are simulated in HSpice platform by using 0.5μm CMOS process model for CMOS comparator and HSpice model of CNFET devices for CNFET comparator.

Published in:

Computer Modelling and Simulation (UKSim), 2012 UKSim 14th International Conference on

Date of Conference:

28-30 March 2012