threshold logic1 introduction to threshold logic dertouzo’s method for the realisation of...
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INTRODUCTION TO THRESHOLD LOGIC
DERTOUZO’S METHOD FOR THE REALISATION OF THRESHOLD
LOGIC
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OR gate:
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UNATE FUNCTIONSUNATE FUNCTIONS
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Threshold functions are functions which can be realized with the help of one threshold gate
Unate functions are either positive or negative in a particular variable but not both.(in a simplified boolean function)
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Non-Unate function: (example)
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Unate Function: (example)
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(Ex)
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(Ex)
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example 1:
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Example 2:
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Write bi’s in descending order of magnitude
Determine a’s from the Dertouzo’stable
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XOR Realization
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ELEMENTARY PROPERTIES
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ELEMENTARY PROPERTIES
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example: Five variable mirror symmetry problem
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DERTOUZOUS’ TABLE(Threshold function upto five variables)
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(Dertouzous’s table)
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(Dertouzous’ table)
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