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How many select lines are needed in a multiplexer?
For example, if the number of input lines is 4, then two select lines are required. Similarly, to select one of 8 input lines, three select lines are required. Generally, the number of data inputs to a multiplexer is a power of two such as 2, 4, 8, 16, etc.
Which is an example of a multi channel multiplexer?
As well as sending parallel data in a serial format down a single transmission line or connection, another possible use of multi-channel multiplexers is in digital audio applications as mixers or where the gain of an analogue amplifier can be controlled digitally, for example.
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.
How is the m74hc151 8 channel multiplexer used?
The M74HC151 is a high-speed CMOS 8-channel multiplexer manufactured using silicon gate C 2MOS technology. It provides, in one device, the ability to select one bit of data from up to eight sources. The M74HC151 can be used as a universal function generator to generate any logic function of four variables.
How is multiplexer used to convert parallel data to serial data?
Parallel to Serial Conversion A multiplexer circuit can be used to convert the parallel data to serial data in order to reduce the number of parallel buses by converting them to serial signals. This type of conversion is needed in telecommunication, test and measurement, military/aerospace, data communications applications.
What kind of applications can a multiplexer be used for?
A basic multiplexer has various data input lines and a single output line. These are found in many digital system applications such as data selection and data routing, logic function generators, digital counters with multiplexed displays, telephone network, communication systems, waveform generators, etc.
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.