Rambus (RMBS) - Eagle or Penguin Message Board

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Technology Stocks : Rambus (RMBS) - Eagle or Penguin

RMBS 94.17

-1.2%

3:59 PM EST

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To: NightOwl who wrote (48940)	8/4/2000 2:05:12 PM
From: pheilman_	Read Replies (2) of 93625

Nightowl, Carl covered most of the points of embedded DRAM. But, having worked on one of these chips, I thought I would add a bit more. The bandwidth is great. The bus width is as wide as you want it, 128-256 bits at a time, no problem. The structure of the DRAM can be modified to match your application. Knowing your access needs, the DRAM can be built with more or fewer banks. There can be significant power savings, as signals don't have to drive out onto PCB traces. There is some problem with the speed of the logic that can be fabricated on the die with the DRAM, due to optimization of memory. Denser than SRAM, not nearly as fast. It seemed like a great idea in 95-96 when DRAM prices were very high. Conversely the DRAM fabs were uninterested in converting capacity from DRAM to embedded DRAM designs. The fabs were more interested after the price of DRAM collapsed to the trend line in 98. And it is very unlikely that IP from Rambus is involved in the embedded designs. Most of the claims from Rambus patents start off with "A multiplicity of chips..." Paul

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