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Politics : RAMTRONIAN's Cache Inn

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To: richard li who wrote (3900)	9/15/1997 11:17:00 PM
From: Gordon Quickstad	of 14464

I'm a sidewalk engineer. EDRAM and ESDRAM have very high bandwidth which is why ESDRAM is going into the Alpha. The proof of the advantage is done in carefully controlled benchmarks and the hardware to do that is non-existant, so the advantages are theoretical, but not mystical. FRAM operates on low power and has fast writing capability. This makes it a natural for contactless smartcards. FLASH needs an internally (on the chip) developed "higher voltage" for writing and this writing process is slower and consumes more power. EEPROMS also write slowly. Also, there is wear and tear on these various chips due to voltage caused stress on the internal structures. FRAM exhibits wear and tear during both reading and writing whereas most of the others just experience it on writing and this is probably the weakest part of the technology. In system use there are many more reads than writes. (Ever heard of a Write Only Memory?). However, the strides to overcome lower number of accesses have been great and the FRAM has longevity enough now for just about all applications except main memory where millions of accesses per day could occur. Apologies to the rest of the INNers for the rehash.

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