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To: richard surckla who wrote (34822)11/18/1999 1:35:00 PM
From: Tenchusatsu  Read Replies (1) | Respond to of 93625
 
Thanks for the link, Rich, although I did have to navigate a
little to get to the actual whitepaper. I'll just repost a
couple of things mentioned in Toshiba's paper:

1) Bus utilization: Toshiba estimates 42% bus utilization
for DDR SDRAM, and 74% for RDRAM. That leads to an
effective bandwidth of 897 MB/sec for DDR, vs. 1190
MB/sec for RDRAM.

2) Here is a table of ideal DRAM solutions for each market,
according to Toshiba:

Application Timeframe Ideal DRAM solution
----------- --------- -------------------
Low-end Desktop PC 2000 PC100/PC133
2001 RDRAM

High-end Desktop/ 2000 RDRAM
Workstation

PC Server 2000 PC100/PC133/DDR/RDRAM
2001 DDR/RDRAM/FCRAM

High-end Server/ 2000 PC100/PC133/DDR
Mainframe 2001 DDR/FCRAM

Graphics 2000 SDRAM/DDR
2001 DDR/RDRAM

Network Router/ 2000 FCRAM
Switch

Hand-held/PDA 2000 FCRAM

Digital TV/Set-top 2000 SDRAM
2001 DDR/RDRAM

(By the way, FCRAM is a new memory core that is currently
being developed by Toshiba and Fujitsu. It promises to
improve upon the basic DRAM core that is being used by
everyone from PC100 to PC133 to DDR to RDRAM.)

Tenchusatsu