A novel fast glitchless 4-2 compressor with a new structure

This article is attributed to a novel 4-2 compressor based on a new structure with a special feature of having no glitch at the output waveform. Speed enhancement is achieved through the quick production of C_out and optimum tuning of the width of utilizing transistors. The delay of the proposed structure is about 130ps in which the authenticity of our claim is proved by using the results extracted by Hspice software using CSMC 0.18μm technology.