Re: MISC-d Digest V97 #5
- To: MISC (MISC-list)
- Subject: Re: MISC-d Digest V97 #5
- From: houghtoa@xxxxxxxx (Houghton,Andrew)
- Date: Mon, 17 Mar 1997 09:23:31 -0500
- Organization: OCLC Inc, Dublin, Ohio USA (614)764-6000
Jeff Fox wrote:
>As Chuck has said before he is not good at designing ram and it is very
>expensive to put it on a cpu. This is not just true for Chuck, but in
>general rams and cpu are made with different fab processes. Most modern
>rams have more process layers than cpu and some odd things like vertical
>transistors. Chuck likes to point out that the cache memory on most
>cpu takes up a lot a chip real estate on very expensive chips. If you
>factor in the percent of chip devoted to ram you find that ram can add
>$1000 to the price of a high end cpu chip! As Chuck says it is expensive
>to put ram on a cpu, people do it anyway but at a price.
Has Chuck given any thought to providing a RAMBUS interface to memory
on his chips?
