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ULN2003A: Difference between ULN2003A and ULN2003AI.

Guru 10565 points
Part Number: ULN2003A

Hi team,

I'd like to know about the difference between ULN2003A and ULN2003AI for VOH.

Why is there a difference between Vs-50mV and Vs-20mV?
Does the internal structure make a difference?