Rambus (RMBS) - Eagle or Penguin Message Board

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Technology Stocks : Rambus (RMBS) - Eagle or Penguin

RMBS 101.61

+2.8%

Dec 5 9:30 AM EST

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To: Bilow who wrote (39763)	4/13/2000 5:02:00 AM
From: John Walliker	Read Replies (1) of 93625

Carl, May I suggest that you make your power comparisons using chips from the same company - Samsung perhaps. That would eliminate artefacts due to process variations and differing ways of writing data sheets. Also ensure that the chips are the same density and are in full production as data sheets are often adjusted at this stage. Until you do this, any attempt at comparison is a waste of time. As scumbria pointed out, there is very little difference between the internals of DDR and Rambus memory that could give rise to large power consumption variations. The differences will mostly be at the system level in relation to input/output. I also suggest that before revisiting these calculations you explain whether or not they are based on terminated signal lines, and if so what characteristic impedance you have chosen in each case. If unterminated, please indicate the number of memory module sockets you expect to see in your chosen system. John PS Perhaps one of the thread members who has dismantled a Playstation 2 would be kind enough to tell us the size of the heat sink on the Rambus memory?

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