Advanced Micro Devices - Moderated (AMD) Message Board

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Technology Stocks : Advanced Micro Devices - Moderated (AMD)

AMD 246.76

-0.5%

Nov 14 3:59 PM EST

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To: whortso who wrote (66561)	12/29/2001 12:22:36 AM
From: Ali Chen	Read Replies (1) of 275872

"They do something called testing structures. Do you know what this means?" One testing structure is usually a ring oscillator, a closed loop of odd number of basic inverting gates. It allows to estimate the working speed of a die. Other structures may include simple transistors surrounded by contact pads, or even just two pads to measure resistance of polysilicon and metal layers. Ask your buddy Elmer about other structures. He claims to be an expert in chip testability. I am not.

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