[time-nuts] TAPR TICC boxed (input protection)

Charles Steinmetz csteinmetz at yandex.com
Tue Apr 11 07:44:29 EDT 2017

David wrote:

> If the 10pA specification is guaranteed by design, then wouldn't they
> have to be testing the 1pA "A" parts?

That assumes the parts are produced by exactly the same process, which 
is very often not a safe assumption.  One of them may undergo extra 
process steps, for example, or one or more process steps may be 
modified.  That's not at all uncommon, BTW -- "A" versions are often the 
product of process tweaks, not selected "non-A" devices.

Best regards,


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