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

To: wily who wrote (31968)	10/12/1999 10:06:00 AM
From: Bilow	Read Replies (1) \| Respond to of 93625

On a per-chip basis, even the newest, fastest, SGRAM isn't that pricey. And it is very easy to connect up. In addition, SGRAM has certain features that allow very, very, very fast graphics operations. It's been a while since I used any of those features, but what I recall is something like 10 or 100x the usual SDRAM bandwidth when you are filling all memory with a single color. On a system that is built to 128-bit widths (or 256-bit widths as was sort of implied by that article), this is incredible bandwidth. Clearing the screen is an operation that is performed every time you want to put a new image into memory, and so this operation is a useful one. Here's an EE-Times announcement, with pricing, for the latest and fastest from Samsung. We should note that they are getting 222MHz out of this device without having to go to DDR. Each chip, then, gives a total of 888MB/sec, and much more in certain graphics operations. September 20, 1999 32-Mbit SGRAM targets 3-D graphics SAN JOSE, CALIF. - Samsung Semiconductor Inc.'s 222-MHz KM4132G112, a 32-Mbit synchronous-graphics RAM for 3-D graphics and networking applications, boasts what the company said is a gain of up to 55 percent in memory performance compared with best-in-class systems. Avo Kanadjian, senior vice president of memory marketing, said the device, organized as 2M x 32, is faster than 1M x 16 and 2M x 32 SDRAMs on the market. It offers an alternative to technologies including Rambus and double-data-rate DRAM for graphics applications, he said. On a 64-bit bus, the SGRAM provides 8 bytes at 222 MHz, delivering 1.8 Gbytes/second. On a 128-bit bus, it provides 16 bytes at the same frequency, at 3.5 Gbytes/s. "Bandwidth [is] a critical issue in graphics memory," Kanadjian said. Samples are available now, with production quantities due this month. The KM4132G112 is priced at $8 in lots of 1,000. techweb.com -- Carl