Design and Implementation of ALU Using Graphene Nanoribbon Field-Effect Transistor and Fin Field-Effect Transistor

Table 2

Operation of 4-bit DCAM.

Operation								Comments
								Input
								Input
			1’b0					Partial products generated and inputs to 1^st stage 4-bit DCRHA
									Sum generated from first stage 4-bit DCRHA and applied as input to second stage 4-bit DCRHA
								Partial products
								Sum generated from second stage 4-bit DCRHA and applied as input to third stage 4-bit DCRHA
								Partial products
								Sum generated from third stage 4-bit DCRHA
								Final product bits