Demultiplexer (Digital)


Operator Menu Location: Signal Switching

Operator Bitmap:
 

Functional Description:
The Demultiplexer operator passes its digital input signal to one of its eight digital outputs. The digital output that passes the digital input is determined by the state of the three digital inputs, as shown in the table below:

b2

b1

b0

Selected Output

LOW

LOW

LOW

x0 = IN

LOW

LOW

HIGH

x1 = IN

LOW

HIGH

LOW

x2 = IN

LOW

HIGH

HIGH

x3 = IN

HIGH

LOW

LOW

x4 = IN

HIGH

LOW

HIGH

x5 = IN

HIGH

HIGH

LOW

x6 = IN

HIGH

HIGH

HIGH

x7 = IN


In the table, x0-x7 represent the digital output signals, IN represents the digital input signal, and b0-b2 are the digital selector inputs. The outputs that are not selected are set to LOW, i.e., , where î is the index of the selected signal.
Design Pad will issue an error if the input pin is not connected.

User-Defined Properties:
Object Name. A string label that identifies the operator

Comments: None.

See Also:
Multiplexer (Digital), Demultiplexer (Analog), Multiplexer (Analog)