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Why the ratings in data sheet specify IOL and IOH but indicated under DC?

Latest Updated:12/01/2011

Question:

The absolute maximum ratings in the data sheet prescribe IOL and IOH, but these ratings are also indicated under the DC characteristics. Why?

Answer:

The absolute maximum ratings and the DC characteristics ratings mean two different things.

The absolute maximum ratings describe the conditions under which the device will not be destroyed or suffer permanent damage.

On the other hands, the DC characteristics are values for which the operation is guaranteed.

These two things are totally different.
Normally both are described, so there are no cases when only one or the other is listed.

Suitable Products
RL78 Family
78K Family