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Politics : Formerly About Advanced Micro Devices
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To: Bill Jackson who wrote (28073)1/22/1998 10:59:00 PM
From: Elmer  Read Replies (1) of 1574392
 
<How will they test even production line CPUs in a timely manner when they get into the 50 million transistor area?(in a few years) >

The purpose of production test is to screen out manufacturing defects and guarantee the device meets datasheet specifications. It is not intended to prove the logic is correct. That is another field, called logic validation and system validation. Once the logic is proven to be correct,(as is reasonably possible) then each device is assumed to be correct also, unless it contains a defect. Screen out the defects and there is no need to reprove the logic 100 million times.

EP
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