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To: Bilow who wrote (32857)10/26/1999 4:52:00 AM
From: John Walliker  Read Replies (1) | Respond to of 93625
 
Carl,

I was wondering if you had some more thoughts about the feasibility of putting a x64 memory in a single chip. It would certainly go a long way towards satisfying the granularity requirements that RDRAM also solves so well.

I am sure it could be done, but such chips would probably only be used in applications where just one was needed, as you imply. I think power consumption would be an issue with that number of signals moving at high speeds.

If I were a chip maker, I would try to get an industry standard to make all my x16, x8, x4, x2, and x1 memories as the same chip (for a given speed grade).

This is already done to an extent with flash eproms where some can be switched between 8-bit and 16-bit interfaces. However, I think this tends to be done where there is no standard package of the style chosen with just 8 fewer pins. Having a very wide range of numbers of bits would prevent smaller packages from being used when they otherwise might, hence negating the advantages.

John