sneha. introduction to mux and demux introduction to mux and demux multiplexer multiplexer 4-to-1...
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Sneha
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Introduction to MUX and DEMUX Multiplexer 4-to-1 Multiplexer (MUX) Typical Application of a MUX Demutliplexer 1:4 DEMUX Typical Application of a DEMUX
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This presentation will demonstrate
The basic function of the Multiplexer (MUX).
The typical application of a MUX.
A 4-to-1 MUX designed with Small Scale Integration (SSI).
A 4-to-1, 8-to-1, & 16-to-1 Medium Scale Integration (MSI) MUX.
The basic function of the Demultiplexer (DEMUX).
The typical application of a DEMUX.
A 1-to-4 DEMUX design with Small Scale Integration (SSI).
A 1-to-4, 1-to-8, & 1-to-16 Medium Scale Integration (MSI) DEMUX.
A 7-segment message display using MUX/DEMUX
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A multiplexer is a combinational circuit that accept input from 2n lines and give the output on a single output line.
A MUX is a digital switch that has multiple inputs (sources) and a single output (destination).
The select lines determine which input is connected to the output.
MUX Types 2-to-1 (1 select line) 4-to-1 (2 select lines) 8-to-1 (3 select lines) 16-to-1 (4 select lines)
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I0, I1, I2, I3 are four inputsI0, I1, I2, I3 are four inputs Y is the output Y is the output Sel_0 and Sel_1 are the two select lines.Sel_0 and Sel_1 are the two select lines.
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Expression :I0.sel_1’.sel_0’+I2. sel_1’.sel_0+ I2.sel_1.sel_0’+ I3.sel_1.sel_0
Data Select inputs Output y
Sel_1 sel_0 Input Selected
0 0 I0
0 1 I1
1 0 I2
1 1 I3
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MP3 PlayerDocking Station
Laptop Sound Card
DigitalSatellite
DigitalCable TV
Surround Sound System
MU X
D0
D1
D2
D3
Y
B ASelected Source
0 0 MP3
0 1 Laptop
1 0 Satellite
1 1 Cable TV
Multiple Sources
Single Destination
Selector
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A DEMUX is a digital switch with a single input (source) and a multiple outputs (destinations).
The select lines determine which output the input is connected to.
DEMUX Types 1-to-2 (1 select line) 1-to-4 (2 select lines) 1-to-8 (3 select lines) 1-to-16 (4 select lines)
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D0, D1, D2, D3 are four outputs.D0, D1, D2, D3 are four outputs. Data i\p is the input line.Data i\p is the input line. Sel_0 and Sel_1 are the two select lines.Sel_0 and Sel_1 are the two select lines.
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Select Lines Output Lines
S1 S0 D0 D1 D2 D3
0 0 1 0 0 0
0 1 0 1 0 0
1 0 0 0 1 0
1 1 0 0 0 1
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Single Source Multiple Destinations
Selector
D0
D1
D2
D3
X
DE
MU
X
B ASelected
Destination
0 0 B/W Laser Printer
0 1 Fax Machine
1 0 Color Inkjet Printer
1 1 Pen Plotter
B/W LaserPrinter
Color InkjetPrinter
PenPlotter
FaxMachine
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