It's the datasheet's call. Drawing - sourcing or sinking - more than 20..25 mA on a pin delivers just not the expected voltages anymore. The total of 150mA is what the die can handle max without 'burning' up...
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It's the datasheet's call. Drawing - sourcing or sinking - more than 20..25 mA on a pin delivers just not the expected voltages anymore. The total of 150mA is what the die can handle max without 'burning' up...