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IJSTR >> Volume 9 - Issue 10, October 2020 Edition

International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616

A Comparative Study On Low Power Adders For Wearable Devices

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Mahesha Y, Priya Seema Miranda, Jayalakshmi K P, Keerthana Bhandarkar, Aniceta Priya Dsouza



Ripple Carry Adder (RCA), Carry Look Ahead Adder (CLA), Carry Increment Adder (CIA), Carry Select Adder (CSA), Kogge Stone Adder (KSA), Low Power, Wearable devices.



An adder is a device used to perform arithmetical functions in electronic calculators and digital instruments and has a wide range of applications. The major factor involved in driving all these instruments is Power. As the power consumption of a device increases, the life span of device reduces. In order to maintain longer life of the device, it is necessary that the power consumption is less. A device is considered efficient when it consumes low power and has high speed. The purpose of this study is to investigate the power and delay product of the adders. The adders that have been compared are all of 12 bit and have been synthesized and simulated using the Cadence software. The outcomes of different properties obtained from the synthesis reports and simulation of the circuit helps in finding out the adder with minimum power and delay product. The adders that have been compared in this paper are Ripple Carry Adder (RCA), Carry Look Ahead Adder (CLA), Carry Increment Adder (CIA), Carry Select Adder (CSA) and Kogge Stone Adder (KSA).



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