Digital logic design lab#9, Lab Reports of Digital Logic Design and Programming

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Atif Ghaffar Bsee02193021 Laboratory sessiont 9 Multiplexers & Demultiplexer Equipment/Software: * Digital logic trainer AM 2000. Procedure: In electronics, GonstneRS tbe URS ANY WoO devi 2R YHA SUPEMS one of several analog or digital input signals and forwards the selected input into a single line. A multiplexer of 2 n inputs has n select lines, which are ser] Sea SPleRtiM ish RMns Fe SPaq f© the output. input lines to a single output line. oLED. —A multiplexer has two sets of inputs: *2n data input lines *nselect lines, to pick one ofthe 2n put combinations by means of switches IC data inputs — The mux outputis a single bit, which is one of the 2n ¢AORRHRiplexer is combinational logic circuit that performs the reverse operation of Multiplexer. It has only one input, n selectors and 2n outputs. Depending on the combination of the select lines, one of the outputs will be selected to take the state of the input. The following figure shows the block diagram and the truth table for |x4 Demultiplexer, By applying logic '|' to the input, the circuit will do the same function of the typical 2-to-4 Decoder. Scanned with CamScanner