Rambus (RMBS) - Eagle or Penguin Message Board

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Technology Stocks : Rambus (RMBS) - Eagle or Penguin

RMBS 94.26

-11.1%

Dec 12 3:59 PM EST

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To: Tony Viola who wrote (71498)	5/2/2001 4:25:20 AM
From: John Walliker	Read Replies (3) of 93625

Tony, So now Rambus is claiming they invented multiplexing? That was in use before even Intel was. Obviously I'm missing something, shouldn't do drive-by posts. You are missing something. Rambus never claimed to have invented multiplexing. The problem is that their claims were made in relation to a preferred implementation which used a multiplexed bus. The judge has ruled that their claims are ONLY valid in conjunction with a multiplexed bus. SDRAM multiplexes some of the address lines at initialisation to configure the output delay register. Therefore SDRAM uses a multiplexed bus. However, Carl (Bilow) has argued that the individual parts of the bus should be treated separately, so he claims SDRAM is not multiplexed because the data lines only carry data. He does not disagree that the address bus in SDRAM carries configuration data. I argue that because a data bus is useless without address and control lines the bus must be treated as a whole, in which case SDRAM is definitely multiplexed. (This discussion happened a few weeks ago.) John

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