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Digital Electronics
NUMBER SYSTEM
BINARY CODES
BOOLEAN ALGEBRA
K MAPS
COMBINATIONAL CKT
INTRODUCTION
ADDER
FULL ADDER(FA)
FA using HAs
BINARY ADDER
SERIAL ADDER
PARALLEL ADDER
CARRY LOOK AHEAD ADDER (CLA)
QUESTION (BCD to Excess-3 using ADDER)
SUBTRACTORS
FULL SUBTRACTOR
FS using HSs
MORE QUESTIONS
SEQUENTIAL CIRCUITS
TIMING CIRCUITS

 

 

e.g. To implement the function F(A, B, C)= Σ (1, 2, 5, 7) using MUX using different variable as selection variable.

Let’s now take the variable B for input lines and A & C for selection lines. The min terms with B in compliment form are 0, 1, 4, 5 and the min terms with B in un-complimented form are 2, 3, 6, 7

So we list the min terms as follow:

So the circuit is as follow:


 

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