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I want a diagram of 4X16 multiplexer circuit ..................

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It's not a multiplexer, that's called an encoder.

Multiplexers are sort-of like switches. They "choose" one of the X inputs based on an input "selector" and output it

but what you're looking for is something that decodes a 4 bit binary input into a 16 bit output where for each possible input, one unique outputs out of the 16 are high. That's a four-to-sixteen line decoder.

They're kind of useless. Three-to-eight decoders are much more common.

Here's an article on how decoders work, and it shows an example of a three-to-eight line decoder. You can easily take that and extend it to be a four-to-sixteen line decoder once you understand the process.

Posted on Dec 06, 2008

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