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Gated SR Latch (Gated Set Reset Latch)



The Gated SR Latch is an electronic component with

an one-bit memory. When setting or resetting the

latch, it keep its value at the output ports

when the 'S' and 'R' inputs are low.

The gated SR Latch is only transparant if you make

the input 'C' high.

When you make both 'S' and 'R' active, then

the output level is not defined.





    Truth-table:



    S    R   |   Q    Q'

    ---------|---------

    0    0   |   nc   nc    

    0    1   |   0    1

    1    0   |   1    0

    1    1   |   ?    ?



    0 = inactive = GND = 0V = OFF

        (Wires are green when inactive)

    1 = active = Vcc = 5V = ON

        (Wires are red when active)



You can drag this component to another position

by clicking inside the body of the port, hold

the mouse button, move to the new position,

and release the mouse button.