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What is 8×1 multiplexer?
8×1 Multiplexer We know that 4×1 Multiplexer has 4 data inputs, 2 selection lines and one output. Whereas, 8×1 Multiplexer has 8 data inputs, 3 selection lines and one output. So, we require two 4×1 Multiplexers in first stage in order to get the 8 data inputs.
Which is the major function of a multiplexer?
A multiplexer performs the function of selecting the input on any one of ‘n’ input lines and feeding this input to one output line. Multiplexers are used as one method of reducing the number of integrated circuit packages required by a particular circuit design. This in turn reduces the cost of the system.
How does multiplexer and demultiplexer work?
A Multiplexer is a circuit that accept many inputs but gives only one output. A Demultiplexer functions exactly in the reverse way of a multiplexer i.e., a demultiplexer accepts only one input and gives many outputs. Generally, multiplexer and demultiplexer are used together in many communication systems.
How to use an 8 : 1 multiplexer for a function?
It uses a CD4512, which has A, B, and C inputs that selects one-of-eight data inputs (D0 to D7) and presents the state of the selected input on the Q output. All you need to do is connect the eight inputs to GND (Ground) or VDD to match the 0s and 1s of the Q output of the truth table.
What makes a 4 to 1 multiplexer circuit work?
A 4-to-1 multiplexer is a digital multiplexer that has four data inputs, two select lines, and one output. To implement a 4-to-1 multiplexer circuit we need 4 AND gates, an OR gate, and a 2 NOT gate.
What is the difference between a multiplexer and A mux?
The multiplexer or MUX is a digital switch, also called as data selector. It is a Combinational Logic Circuit with more than one input line, one output line and more than one select line.
Which is the best example of a 2n × 1 multiplexer?
This type of multiplexer is referred to as 2n × 1 multiplexer or 2n -to-1 multiplexer. For example, if one of the 4 input lines has to be selected, then two select lines are required. Similarly, to select one of 8 input lines, three select lines are required.