Design 1:
Design 2:
Showing posts with label Multiplexer. Show all posts
Showing posts with label Multiplexer. Show all posts
Monday, 30 April 2012
Design 1:
Draw OR gate using 2:1 MULTIPLEXER
Applying similar concept of AND gate using 2:1 MULTIPLEXER, make either of input A or B as select line of MUX, connect other input to 0th input line. 1st input of the MUX is always tied to logic 1.
Draw AND gate using 2x1 MULTIPLEXER
Look at the truth table of AND gate. When any of the one input is zero output is always zero (or same as that input); when the other input is one, output is dependent on the other input and is same as the other input. Using this property we can draw AND gate in four different ways using 2:1 MUX as shown in the above figure.
Similar concept can be applied to create all basic gates from 2:1 MUX. I will publish all these in coming blog posts along with the elaborated
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Wednesday, 22 June 2011
4x1 Multiplexer Using 2x1 Multiplexer
Below Fig. shows the way to build 4x1 Multiplexer using three 2x1 Multiplexers.
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