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What are the meanings of + and - in the input/output current of a pin?

Latest Updated:08/01/2007

Question:

What are the meanings of + and - in the input/output current of a pin?

Answer:

+ means that the current flows in and - means that it flows out.
These signs indicate the direction of the current and do not mean the input/output direction of signals.

  High level Low level
Input signal + (leakage) - (leakage)
Output signal - +


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