Truth Table To 8 Line 1 Multiplexer

By | August 1, 2022

A multiplexer is a digital circuit that selects one of several input signals and routes it to a single output. The number of input signals and the number of output signals determine the multiplexer's size. For example, a 2-to-1 multiplexer has two input signals and one output signal, while an 8-to-1 multiplexer has eight input signals and one output signal.

A multiplexer can be used to select between multiple data sources, such as multiple sensors or multiple input devices. It can also be used to implement a demultiplexer, which is a circuit that routes a single input signal to one of several output signals.

The truth table for an 8-to-1 multiplexer is shown below. The table shows how the output Y is determined by the select inputs S0, S1, and S2.

| S0 | S1 | S2 | Y | |---|---|---|---| | 0 | 0 | 0 | I0 | | 0 | 0 | 1 | I1 | | 0 | 1 | 0 | I2 | | 0 | 1 | 1 | I3 | | 1 | 0 | 0 | I4 | | 1 | 0 | 1 | I5 | | 1 | 1 | 0 | I6 | | 1 | 1 | 1 | I7 |

The multiplexer can be implemented using a combination of logic gates. The following circuit diagram shows a simplified implementation of an 8-to-1 multiplexer using AND gates, OR gates, and an inverter.

The multiplexer can be used to implement a variety of digital circuits. For example, it can be used to create a digital switch that can be used to select between multiple input signals. It can also be used to implement a demultiplexer, which is a circuit that routes a single input signal to one of several output signals.


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