Design and Implementation of 4-Bit Arithmetic and Logic Unit Chip with the Constraint of Power Consumption

By increasing the demand of enhancing the ability of processors to handle the more complex and challenging processors has resulted in the integration of a number of processor cores into one chip. Still the load of on the processor is not less in generic system. An Arithmetic Logic Unit (ALU) is the heart of all microprocessors. It is a combinational logic unit that performs its logical or arithmetic operations. ALU is getting smaller and more complex nowadays to enable the development of a more powerful but smaller computer. In this proposed paper a 4 bit ALU chip has been design to the benefits of all the computations are done in parallel and available simultaneously, so no clock resources are wasted. The MUX is then simply used to select the required output. Index Terms: ALU, CMOS, VLSI and TTL