Abstract: In this paper various type of full adder circuits with high speed operation have been analyzed. Power Consumption, Speed and Area are important factors of the design aspect of full adder circuit. Many researchers have worked on full adder designs using various technologies. Present paper deals with literature analysis based on full adder designs. , completed B.Tech in Electronics and communication from UPTU. I have two years industry experience in Central Electronics Limited. Currently pursuing M. Tech in VLSI system from Indira Gandhi Delhi Technical University for women, Delhi, India Ashiah Singh, , completed B.Tech in Electronics and communication from AKTU. M. Tech in Digital communication from RJIT, BSF Academy, India.