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Politics : Formerly About Advanced Micro Devices
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To: Elmer who wrote (46447)1/18/1999 12:53:00 AM
From: Scumbria  Read Replies (1) of 1583275
 
Elmer,

What is being debated here is, what kind of speed path "mask problem" could be fixed in just the top metal layers, when it clearly didn't affect their ability to produce slower product? No one has presented a reasonable case, imho.

Microprocessor designers always create "spare gates" (unused logic) which connect to top level metal layers, to allow for metal only logic changes. It is standard practice to fix speedpaths and bugs with available spare logic, many times involving only one metal layer.

Scumbria
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