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Technology Stocks : Advanced Micro Devices - Moderated (AMD) -- Ignore unavailable to you. Want to Upgrade?

To: jcholewa who wrote (2591)	7/27/2000 11:58:08 PM
From: Hans de Vries	Read Replies (4) \| Respond to of 275872

John: I'm starting to take this Single Sledgehammer core = Mustang seriously With Sledgehammer now officially the dual core version, where else is the single core? Didn't Jerry Say: The Mustang is a reduced and enhanced core with up to 1 MB L2 and some other "surprices" The Patent which defines the x86 extension to 32 64-bit registers stems from 1997. I have not found any specific patents on TFP (I guess it is hard to get a patent since it's common practice on every RISC processor). I found a very interesting AMD patent on a whole new revolutionary transistor design. They have many patents for new transistor designs but this one looks to be in an advanced development stage and I found earlier patents for techniques used in this design. I'm wondering if this design is used in the Mustang Core. This would be "Breaking News" similar to the IBM's Copper and SOI announcements. 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. Very interesting… patents.ibm.com A drawing of the transistor: patents.ibm.com Regards, Hans