AN-1003 Digital Multiplexer

A Digital Multiplexer, shortened to “MUX”, is a switching device that operates similarly to a multiple position switch. Normally it has not less than three inputs, namely a selection input shortened to “SEL”, and two data inputs, for instance “IN A” and “IN B”. The aim of SEL signal is to let one of the input data signals pass to the output, see Figure 1.


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