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Question
Draw the logic circuit for 3:8 decoder (Octal decoder). Which multiplexer can be derived from the Octal decoder?
Solution
Decoder circuit
Since, an Octal decoder is 3-to-8 decoder circuit and (2)3 = 8, the said multiplexer will have 8 input lines, 3 select lines and 1 output line. Thus, it will be 8:1 Multiplexer.
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