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Renesas Singapore - Knowledgebase

What happens if the digital output current differs from rated values?

Latest Updated:04/01/2008


For general-purpose ports with phased current value ratings, you can analogize using Ohm's Law (H output falls below VDD, L output rises above GND). Note that for some microcontrollers, the characteristics graphs (reference values) are available on our website .
However, since the output current conditions (maximum value when phased ratings are used) assume the maximum load, don't pass a rated current because this may degrade the reliability of the semiconductor device.
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