Rambus (RMBS) - Eagle or Penguin Message Board

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Technology Stocks : Rambus (RMBS) - Eagle or Penguin

RMBS 92.72

+5.2%

Nov 24 3:59 PM EST

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To: Pluvia who wrote (50068)	8/17/2000 4:43:14 AM
From: Bilow	Read Replies (3) of 93625

Hi Pluvia; I asked one of my buddies, who's been in the EE business a lot longer than I have, when he first saw a technology where a clock was used to clock a data line at both edges, and he said IBM was doing it back in the mid 70s. He said it was a serial interface that ran at 10Mbits/sec, and consisted of four wires: A differential clock, and differential data. The peak transition rate on each wire was 10 million per second, both clock and data, just as in DDR. He said that because of the differential drive and the balanced peak bandwidth between clock and data, it could drive quite long lines. In his lab, he got it to run long enough to hold ten bits in the wire simultaneously. I've not found a link to the technology, but I have no doubt it is out there. The only problem is that it is quite obsolete, so I will have to search through the patent literature. When found, I will post it here. -- Carl

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