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Combinational Circuits

Combinational Circuits

Combinational Circuits :-

Combinational circuit is a circuit in which we combine the different gates in the circuit, for example encoder, decoder, multiplexer and demultiplexer. Some of the characteristics of combinational circuits are following −

  • The output of combinational circuit at any instant of time, depends only on the levels present at input terminals.
  • The combinational circuit do not use any memory. The previous state of input does not have any effect on the present state of the circuit.
  • A combinational circuit can have an n number of inputs and m number of outputs.

Block diagram

Block Diagram of combinational circuit


ASSIGNMENT :-

In this assignment I am working on designing and simulating the given boolean function ( Z=X'Y+X'Y' ).


  • Truth table for given function :

         


  • Design of circuit using gates :
         

         *  Formed using manual inputs and outputs using simulator.


  • Circuit on simulation :
       

        * Formed using combinational analysis tool in simulator.