Gregory's Serverhmm could be a dual driver or comparator. it's got two beefy output stages. I don't see any compensation capacitors so I don't think it is an op amp.
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3 comments
 I think it might be some sort of ECL level shifter. using a multimeter to measure ESD diodes, I think this thing has two supply rails, one of them negative. |
@tubetime
How do you decap the chips? I always these photo’s super interesting.