Digital comparator

Combinational Logic Gates

Published in Dale Patrick, Stephen Fardo, Vigyan ‘Vigs’ Chandra, Electronic Digital System Fundamentals, 2020

Dale Patrick, Stephen Fardo, Vigyan ‘Vigs’ Chandra

A digital comparator looks at two or more numbers and determines if the numbers are equal or if one value is greater than the other. An exclusive-OR gate can be used as a comparator. An X-OR gate is a inequality comparator. It develops a 1 output when the inputs are unequal. An exclusive-NOR gate is an equality comparator. It develops a 1 output when the inputs are equal. Magnitude comparators are available in ICs. These comparators show equality, greater-than, and less-than functions. An X-NOR gate is needed for each bit of data compared.

Performance Evaluation of Digital Comparator Using Different Logic Styles

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Journal Information

Published in IETE Journal of Research, 2018

Dwip Narayan Mukherjee, Saradindu Panda, Bansibadan Maji

Digital comparator has several useful properties like those are utilized as a part of the scene deciphering hardware in PCs and chip-based gadgets to prefer a particular input/output device for the capacity of information, in control applications in which the parallel numbers representing to physical variables, such as, temperature, position, and so on are contrasted and a reference value. At that point, the output of the comparator is used to drive the actuators to build the physical variables nearest to the set or reference value.

Digital comparator

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Combinational Logic Gates

Performance Evaluation of Digital Comparator Using Different Logic Styles