The output of an multiplexer is dependent on its 3 selection line inputs and can be expressed by following truth table:. The multiplexer is one of the most popular and one of the most used combination circuit elements. It acts as a digital switch. Parallel to serial converter, multiplexing signals in TDM, etc. Encoder and multiplexer have their similarities and differences. Both of them have 2 n number of inputs, both of them are used to reduce the number of output bits, etc.
But their purposes are different. Encoder and multiplexer, both are very important components of combinational circuits. Author Subhrajyoti Choudhury. This site uses Akismet to reduce spam. Learn how your comment data is processed. We've detected that you are using AdBlock Plus or some other adblocking software which is preventing the page from fully loading.
We don't have any banner, Flash, animation, obnoxious sound, or popup ad. We do not implement these annoying types of ads! There are two inputs A and B, which acts as control inputs for the decoder circuit. Many decoder circuits are designed with an enable signal which is set to high when the decoder performs its operation.
The truth table of the decoder is given below. It is clear from the truth table that the combination of the control signals decides which input is set to be high.
The demultiplexer and decoder both are the combinational circuit, but both are different in terms of not only in functioning but also in designing architecture. The presence of selection lines in demultiplexer also differentiates it from decoder circuit. Your email address will not be published. Save my name, email, and website in this browser for the next time I comment. Key Differences Demultiplexer and Decoder The demultiplexer is basically a switching element which switched the input signal from one output path to other.
The decoder is the circuit which decodes the signal from one particular format to the another desired format. The demultiplexer and decoder may resemble each other, but if you observe carefully, you can understand the difference very clearly.
In demultiplexer, the combination of the selections lines decides the output terminal to be selected, in decoder the combination of the data input lines decides the output terminal to be selected. Another key difference between demultiplexer and decoder is that a demultiplexer accepts only single input while a decoder can accept several inputs.
Popular Posts Advantages and disadvantages of full wave rectifier. As we know that a full-wave rectifier, which can convert an alternating voltage AC voltage into a pulsating direct current DC voltage Advantages and disadvantages of floppy disk.
Floppy disk is a magnetic storage medium for a computer system. This article gives information about the advantages and disadvantages of a f Advantages and disadvantages of star and delta connection. A star-delta starter is the most commonly used method for the stating of 3 phase induction motor.
In star connection, the starting or fini Advantages and disadvantages of pulse width modulation. PWM stands for pulse width modulation, It is a method used to control the output voltage of the converter by modulating the width of the However, multiplexers and decoders can work simultaneously to allow sharing of data transmissions by a number of signals in the cases of telecommunication and computer systems.
The discussion on this article can be summarized as follows: 1. Multiplexers transmit data while decoders interprets coded data. Multiplexer is a device which consists of multiple input channels thru single line while decoders consist of multiple inputs passing thru multiple output.
Multiplexer converts inputs from unary codes initial to binary codes while decoder converts binary codes to inputs. Cite APA 7 ,. Difference Between Multiplexer and Decoder. Difference Between Similar Terms and Objects. MLA 8 ,.
0コメント