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Technology Stocks : Apple Inc.

AAPL 278.06

-0.2%

Dec 11 3:59 PM EST

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To: Keith Howells who wrote (9761)	3/19/1998 5:03:00 PM
From: Bill Jackson	of 213176

Keith, The bus speed is the critical one to increase. We have reached such speeds on CPU that we are bus bound. With smaller feature sizes and tighter faster memory cells we can reach the point where the entire computer is on one large chip, cache and all. If we get to the touted .08 micron in 2-3 years we would be in reach of that. If you made the memory from the same speed stuff as the CPU it would run full bore. It would runhot, but also run small and the two countervail to some degree. A cpu in .08 that was .25 would be 1/9th the size and around 30 million transistors would fit that area. about 80 sqare mm(not 80 mm square). and to make a square inch of memory would be 250 million transistors, that would make around 16 megabytes of DRAM. Just a thought experiment as I am not sure which way they will go. It cuts the transit time down and gives you full speed memory. But you need at least 256 m Bytes for the future box. And then you want drive data, data to video etc and so you need bus that is comparable to the CPU speed. Currently we have Pen 233 busses at 66 and AMD runs at 85 and up. Intel says 100 is coming, more is needed..... What will we get, and when. Bill

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