Basic Electrical and Electronics Engineering: Unit IV: Digital Electronics
Multiplexers
Operation, Block diagram, Example, Truth Table | Digital Electronics
Multiplexer is a special type of combinational circuit. There are n-data inputs, one output and m select inputs
MULTIPLEXERS
Multiplexer
is a special type of combinational circuit. There are n-data inputs, one output
and m select inputs with 2m = n. It is a digital circuit which
selects one of the n data inputs and routes it to the output.
The
selection of one of the n inputs is done by the selected inputs. Depending on
the digital code applied at the selected inputs, one out of n data sources is
selected and transmitted to the single output Y.
E
is called the enable input which is useful for the cascading. It is generally
an active low terminal that means it will perform the required operation when
it is low.
Block diagram
Multiplexers
types are
2:1
multiplexer
4:
1 multiplexer
16:
1 multiplexer
32:
1 multiplexer
Example
2: 1 multiplexer
Truth Table
x = Don't
care
Basic Electrical and Electronics Engineering: Unit IV: Digital Electronics : Tag: : Operation, Block diagram, Example, Truth Table | Digital Electronics - Multiplexers
Basic Electrical and Electronics Engineering: Unit IV: Digital Electronics
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