Multiplexer, 2 to 1

(1-MUX)

Selects one of 2 input values.

Inputs

I0–I1 Input values
S Select

Outputs

O Output

Send trigger parameter

Functionality

If Select is 1, input I1 is sent to the output. If Select is 0, input I0 is sent to the output.

Values received on unselected inputs are stored until the input is selected.

The output sends whenever a value is received at the input or Select.

Other

If an unconnected input is selected the output value remains unchanged.