1 To 8 Demultiplexer Logic Diagram
1 8 demultiplexer design using two 1 4 demultiplexer duration.
1 to 8 demultiplexer logic diagram. Mux mux is a device which has 2 n input lines. Mux is a device which is used to convert. Expanded logic diagram figure 7. And i am also will tell about its working with logic diagram and uses.
What is digital demultiplexer demux. Try designing these using only multiplexers using similar logic to the one we saw above. It is also called as 3 to 8 demultiplexer due to three select input lines. The 1 8 demux consists of 1 data input bit 3 control bits and 8 output bits.
Where n number of input selector line. 1 to 4 demux truth table 1 to 8 demultiplexer. The selection of one of the n outputs is done by the select pins. Let s learn together 6 912 views.
1 to 8. Demultiplexer has one data input di and three select inputs s0 s1 and s3 and 8 outputs q0 0 to q0 7. Implementing boolean expression using demultiplexer very easy duration. I 0 i 1 i 2 i 3 i 4 i 5 i 6 i 7 are the eight output bits s 0 s 1 and s 2 are the control bits and input d.
The decoder accepts three binary weighted inputs a 0 a 1 a 2 and when enabled provides eight mutually exclusive active low outputs o 0 o7. The below figure shows the block diagram of a 1 to 8 demultiplexer that consists of single input d three select inputs s2 s1 and s0 and eight outputs from y0 to y7. Similar to the process we saw above you can design an 8 to 1 multiplexer using 2 1 multiplexers 16 1 mux using 4 1 mux or 16 1 mux using 8 1 multiplexer. A 1 to 8 demultiplexer consists of one input line 8 output lines and 3 select lines.
The ls138 is a high speed 1 of 8 decoder demultiplexer fabricated with the low power schottky barrier diode process. To select n outputs we need m select lines such that 2 m n. Types of demultiplexer 1 to 2 demultiplexer truth table applications of demultiplexer demux schematic diagram of 1 to 2 demultiplexer using logic gates 1 to 4 demultiplexer. 3 a block diagram of 1 4 demux b circuit diagram of 1 4 demux using logic gates.
8 to 1 multiplexer mux logic diagram and working ankit jat. The ls138 features three enable in. 1 8 7 6 a0 cs2 a2 a1 y7 cs1 cs3 gnd y3 y2 y1 y0 vcc y5 y4 y6 figure 2. Firstly i will introduce what is mux.
But only one have output line. It is also called as 3 to 8 demux because of the 3 selection lines. Depending on the output. Truth table schematic of 1 to 4 demultiplexer using logic gates implementation of 1 to 4 demultiplexer using 1 to 2 demultiplexers 1st configuration.
Mc74hc238a 1 of 8 decoder demultiplexer high performance silicon gate cmos. Logic diagram ordering information.