Advanced Micro Devices - Moderated (AMD) Message Board

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Technology Stocks : Advanced Micro Devices - Moderated (AMD)

AMD 214.87

-0.1%

3:59 PM EST

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To: Hans de Vries who wrote (2598)	7/28/2000 12:53:06 AM
From: Charles R	Read Replies (2) of 275872

Hans, <I'm starting to take this Single Sledgehammer core = Mustang seriously> AMD guys have been incredibly tightlipped on Mustand/Hammer and this Mustang=1/2 Sledgehammer is a fascinating theory. However, I am told this is not the case. I believe the biggest improvements with Mustang will be SIMD stuff and not 64-bit extensions. Would be pretty cool if the hypothesis is true but I think it is a very long shot. <The Gate, Source and Drain of a transistor are normally placed in a row on the substrate. AMD's design is a 3D design. An etch process stage leaves a rectangular block of silicon. The gate is put on top in the usual way but the Drain and the Source are placed on the vertical sides of the block! The open spaces between the blocks are used for the isolation between the transistors. They are filled with an isolator. The main advantages are: 1) Much higher density: reduced die size. 2) Higher speed transistors: The whole path between Source and Drain becomes shorter. 3) Lower power consumption: The transistor has less contact with the substrate> Interesting. TWY, could you comment on this? Chuck

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