> Frankly, I don't know. But I would suspect the answer is "neither."
> Effects of the manufacturing process are most likely to be Gaussian. But
> so
> many things these days are tested and "binned" (sorted by various
> specifications) during production for various reasons. Sorting processes
> in
> general wreak havoc on statistical behaviors. :-)
>
> A few years ago I was looking at some data that had a noticeable "double
> peak." After more digging than I care to admit, I found out that the part=
s
> were being sorted before I got them - the ones that tested near nominal
> spec were being sold to someone else.
>
> -Denny

And, I suspect, those closer to spec sold at a higher price. We've seen
the same thing on chips for a long time. I really doubt there is a die
change to offer the same part in an extended temperature range. it's just
a die sort.

Harold


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