⚫
For source logic
Power ON
Power ON
Add a diode
Switch OFF
With no diode inserted, the input turns ON
due to sneak current even when the switch is
OFF.
Switch OFF
In place of short-circuit bar, insert a diode
to prevent sneak current.
Power ON
Use an external
power supply
Switch OFF
The use of an external power supply with
the short-circuit bar removed does not
cause sneak current.