Half Subtractor

 
  • COMBINATIONAL
  • SUBTRACTOR
  • OR GATE
  • XOR GATE
  • DIGITAL SOURCE
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Overview

Half Subtractor is a combinational circuit that performs subtraction of two bits and has two inputs and two outputs. The two inputs denoted by A and B represents minuend and subtrahend. The two outputs are the difference “D” and the borrow bit “B”. The borrow output specifies that a 1 must be borrowed from the next significant bit as the minuend is smaller than the subtrahend.

Circuit info

Author

Created on: 10 Feb 2013
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