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Politics : Formerly About Advanced Micro Devices

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To: Craig Freeman who wrote (44202)12/29/1998 12:01:00 AM
From: Paul Engel  Read Replies (1) of 1572391
 
Craig - Re: " How much L2 is actually screened onto CeleronA
silicon? I know that we only get to see 128K but does Intel provide some remapable cells to increase yield? "

What you are referring to is REDUNDANCY - the addition of extra memory cells to replace non-functional memory cells within the basic 128 KiloByte array.

Intel does allow for redundancy, incorporating both extra COLUMNS and ROWS of memory cells.

A row or column, with one or more bad SRAM cells, is replaced by A SPARE (REDUNDant) ROW OR COLUMN, assuming these spare units are defect free.

I'm not sure how the 128 K is laid out, but typical redundancy levels would be 4 extra columns and 4 extra rows.

Paul
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