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Strategies & Market Trends : Gorilla and King Portfolio Candidates

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To: Ali Chen who wrote (42753)5/18/2001 6:56:17 AM
From: John Walliker  Read Replies (1) of 54805
 
Ali,

Scalable Coherent Interface, published in 1988:
slac.stanford.edu
It contains all relevant ideas about Dual Data Rate,
packet protocols, and current-steering drivers.
Control registers were invented much earlier.


It is important to recognise that what is described in this paper is very different from Rambus - and from SDRAM or DDR.

In particular, the paper discusses a proposed communications system that would use multiple point-to-point links. It states that the authors do not believe that much further progress can be made with bus type structures.

The current steering drivers that they suggest are totally different from the "constant current" drivers used in Rambus. Some of the physical limitations to performance of bus sytems which they list have been overcome by Rambus.

The paper is well worth reading to gain an appreciation of the state of the art in 1988 and to understand the magnitude of the innovation from Rambus. It is also important to note that the paper does not describe an implementation, but a set of ideas for future development.

Were these ideas ever converted into a successful product?

John
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