Rambus (RMBS) - Eagle or Penguin Message Board

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Technology Stocks : Rambus (RMBS) - Eagle or Penguin

RMBS 92.63

+5.1%

3:18 PM EST

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To: Dave B who wrote (40162)	4/18/2000 7:59:00 AM
From: gnuman	Read Replies (1) of 93625

Dave B. re<Rambus has announced that this Summer they'll demo RDRAM at 4x the current throughput (6.4MBs) by doubling the width and doubling the speed.> Any insight into the packaging? Currently the mother boards and RIMM's appear use 66 pins for data. (16RSL in/out, 17 grnd in/out. (Non ECC). From Intel's 820 chip set design guide: ftp://download.intel.com/design/chipsets/designex/29063103.pdf (A big .pdf file, but an interesting read). Intel states there should be a 10 mil ground trace bracketing each RSL trace to minimize cross coupling of signals. (Page 2-10). In fact the reason a RIMM seems to require a 184 pin connector is the liberal use of grounds to control impedance, minimize cross talk and prevent image current spreading. If they double the width of the data channel, wouldn't that add 66 pins to the package? JMHO's TIA

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