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Technology Stocks : Rambus (RMBS) - Eagle or Penguin -- Ignore unavailable to you. Want to Upgrade?


To: unclewest who wrote (28322)9/1/1999 7:33:00 AM
From: unclewest  Read Replies (2) | Respond to of 93625
 
only 26 days until rambus Christmas



To: unclewest who wrote (28322)9/1/1999 9:21:00 AM
From: Dan3  Read Replies (1) | Respond to of 93625
 
Re: granularity increases are a huge issue for sdram due to its parallelism...

Rambus is 128 bits wide on the chip. It connects all of these sets of cells together with 16 8 bit wide sets of traces on each chip. They have moved these traces into the silicon on the Rambus chip instead of putting the traces on the motherboard. This is one of the main reason Rambus costs more than other DRAM types, the chip is full of circuit traces instead of memory cells. Someday the silicon will be cheaper than the equivalent motherboard area, but that looks to be years away. As I've said before, you can also make 64 bit wide SDRAM chips (SDRAM doesn't need to be 128 bits wide internally), they don't usually do it though, because it's not a useful solution for the vast majority of memory applications.

Meanwhile both Samsung and Hyundai are now shipping modified SDRAM at 200MHZ or higher for the video market which was supposed to be Rambus's automatic win.

Dan