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Article #18841

Re: What's the deal? My chip says "SX-25"; Norton says "SX-33"

#18841
From: Iskandar Taib
Date: Mon, 04 Jan 1993 22:09
22 lines
1735 bytes
In article <sheldon.725671411@pv141b.vincent.iastate.edu> sheldon@iastate.edu (Steve Sheldon) writes:
> But since these are targeted for commercial usage, they're most likely
>only testing 1 in every 100 or so, as Mike said, a few out of each batch.

> Chances are also good that if any of the sample batch fails the 25 Mhz, and
>depending on the percent failed, they'll test all chips in that batch to see
>if any of them are salvageable before they go throwing them all out the
>door.  Of course this last one depends on the economics of how expensive it
>is to test all the chips vs. just making new ones.

Hmmm

Just wondering: at what point do they test the chips, and how? Do they
do it while at the wafer stage, before they encase it in ceramic? How
are the connections made?


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Iskandar Taib                          | The only thing worse than Peach ala
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From: ntaib@silver.ucs.indiana.edu (Iskandar Taib)
Subject: Re: What's the deal? My chip says "SX-25"; Norton says "SX-33"
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Date: Mon, 4 Jan 1993 22:09:00 GMT
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