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It can either be used as a Multiplexer or Demultiplexer. The IC supports both Analog and Digital voltages and hence widely used in many designs. It can handle both analog and digital voltages hence can be used in Analog to Digital and Digital to Analog converters.
The CD can be used as a Multiplexer, that is it can take inputs from 4-channel and convert it to single channel output based in the channel select pins. The output on the single channel is decided based on the channel select pins A and B. The state of the select pins and channel selection is shown in below table:. The complete working of a MUX using the CD simulation is shown in the video below, the image here shows a snapshot of it.
As you can see in the above image, the channel select pins are 1 and 0 for A and B respectively. Meaning the Channel 1 that is X1 and Y1 is selected. So the input given to X1 and Y1 is reflected on the pins X and Y.
The CD can be used as a Demultiplexer also, that is it can take one input and provide it either one of the 4 output channels based on the channel select pins. Here the input pins will be X and Y. We have already discussed the how to select the channel using pins A and B in the above table.
The above image shows the simulation of CD in demultiplexer circuit , the complete working can be found in the video linked below. As you can see here, the channel 2 is selected by making A as 0 and B as 1.
And hence the input given to pin X and Y is reflected on the channel 2 X2 and Y2 pins. Subscribe to stay updated with industry's latest Electronics components and news. CD as Multiplexer: The CD can be used as a Multiplexer, that is it can take inputs from 4-channel and convert it to single channel output based in the channel select pins. CD as Demultiplexer: The CD can be used as a Demultiplexer also, that is it can take one input and provide it either one of the 4 output channels based on the channel select pins.
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HEF4051FG, HEF4052, HEF4052/BT