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To: kash johal who wrote (66206)10/11/1998 11:28:00 AM
From: Yousef  Read Replies (2) | Respond to of 186894
 
Kash,

Re: "But these defects are still there and they can grow and fester can they
not. Could this cause long term reliability problems."

Kash, redundancy in the cache SRAM will dramatically improve the yield ...
Redundancy can take yield from 2-4% (non-redundant) to 50-60% (with
redundancy). This technique has been used for many years and reliability issues
have been tested and understood. The defects WILL NOT grow or substantially
change ... AND ... SRAM's are laid out to redundantly replace "blocks"
of SRAM that are bad, so a bad block is essentially isolated from the
other functioning blocks (by some distance ... 4-5um). Yield should not be
that big of an issue and I believe that the yield on this part has been very
good.

Make It So,
Yousef




To: kash johal who wrote (66206)10/12/1998 12:42:00 AM
From: Tony Viola  Respond to of 186894
 
Kash, Re: "Yony,

Oh great yield expert."

Never said I was a yield expert, just passing on some information about yield/reliability relationships that IBM came forward with at a recent conference. As simple and practically obvious as it is, I hadn't seen it mentioned here yet.

Re the rest of your post, I think you know what the answers are yourself. I'll just say that I don't think you'll catch Intel shipping 'Maverick chips'. WRT some other companies, it could be that practically everything they ship qualifies for that name.

We need not get testy when our "blowout" quarters don't put a pop into the stock. Yeah, yeah, Intel's turn is coming.

Tony with a T.