[vcf-midatlantic] Bag-o-chips sorting, storing, testing

jsalzman at gmail.com jsalzman at gmail.com
Wed Apr 21 17:17:55 UTC 2021


The TL866 device does fault checking rather quickly. No need to guess with
in-circuit testing. Drop the chip in the ZIF socket, click on-screen
button, read auto-verified chip type passing logic test. Go to next chip.

Takes about 10 seconds or less per chip. Easy busy work for someone willing
to go through them. If they fail the quick test, just toss them. A positive
quick test greatly increases the odds of an end user getting a working
copy, and eliminates extra hassle of wondering why a stocked chip from a
parts bin doesn't seem to be working.

On Wed, Apr 21, 2021 at 12:31 PM Herb Johnson via vcf-midatlantic <
vcf-midatlantic at lists.vcfed.org> wrote:

>
> about testing them. Most are not worth testing. Just use 'em and confirm
> in circuit that they work. Oscilloscope observation of inputs and
> outputs will confirm lack of damage at the pin level. If one needs
> known-good chips - don't use these! problem solved.
>
>


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