[sdiy] black flaky chip legs: what does this indicate?

[KA4HJH]

> On Nov 2, 2020, at 3:21 PM, Roman Sowa <modular at go2.pl> wrote:
> 
> I have observed this in new parts also. 

I just remembered that I had two SN76477s back in the day. One of them had this "tarnish" on it. One was from Radio Shack, the other I can't recall. It's a TI part, of course.


Terry Bowman, KA4HJH
"The Mac Doctor"

https://www.astarcloseup.com/

"Every kid starts out as a natural-born scientist, and then we beat it out of them. A few trickle through the system with their wonder and enthusiasm for science intact."—Carl Sagan, Psychology Today, 1996

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