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To: unclewest who wrote (32469)10/21/1999 6:04:00 PM
From: Bilow  Respond to of 93625
 
Hi unclewest; Here are some phone numbers you can call if you really want to buy some DDRs. They are in kind of short supply, unlike RDRAM, which is currently in a bit of a painful glut...

Double-data-rate SDRAMs offer 2.1-Gbit/s bandwidth
Hyundai's 128-Mbit parts are available in a standard 66-pin TSOP in x4, x8 and x16 configurations. Initial pricing is $21 in lots of 1,000. DDR SDRAM is expected to achieve price parity with PC100 SDRAM in the second half of 2000, Hyundai said.

Call (408) 232-8800

techweb.com

Toshiba launches 128-Mbit double-data-rate SDRAMs
Samples are available now in limited quantities. Production quantities are scheduled to be available in July, and production pricing will kick in at that time.

Call (800) 879-4963

techweb.com

I don't have a phone number for Hitachi, but they should be available from them:

Hitachi repositions its DRAMs at the high end
The company has been out front in the development of stacking techniques such as tape carrier package and double-density package, he said. It also has been pushing double-data-rate (DDR) parts and will begin sampling a 256-Mbit device in the fourth quarter based on a 0.18-micron process. Current plans call for it to sample a 128-Mbit DDR device based on 0.18-micron technology late in the first quarter of next year, and to sample a 0.15-micron 256-Mbit DDR device in the third quarter of 2000.
techweb.com
techweb.com

Micron is also pushing the technology, as well as some companies I didn't find links to in the few minutes I searched for them.

Of course, a lot of companies started sampling last year:

IBM samples 256-Mbit parts, joins 10 firms in endorsing format -- DDR
IBM's Microelectronics Division has started sampling a 256-Mbit double data rate (DDR) synchronous DRAM that will go into volume production in mid-1999
techweb.com

Japanese chip makers spin first DDR DRAMs
three of Japan's memory suppliers have just announced 64-Mbit double-data-rate DRAMs to add to the mix of high-speed DRAM types that will start to ramp up late this year (1998).
techweb.com

Samsung rolls out 64-Mbit DDR DRAM
Samsung Semiconductor Inc. is demonstrating 64-Mbit double-data-rate (DDR) DRAMs in systems and is providing design support to PC OEMs that plan to market systems with the DDR memories in the first half of the year (1998).
techweb.com

-- Carl



To: unclewest who wrote (32469)10/21/1999 7:36:00 PM
From: Dan3  Respond to of 93625
 
Re: please tell us what the cost of ddrdram is....and where can i buy some?

unclewest,

Retail modules aren't out yet (like rambus), but the chips themselves(like rambus) are available from:

micron.com DDR SDRAM

necel.com;

and others. I do agree with the point that you are making, (I think) that wide availability of DDR is about 3 months away, whereas some rambus modules have been put together and could be sold now. But DDR will be easier to ramp due to its use of standard module fabrication, testing, and packaging equipment.

DDR will be less expensive to produce since it uses less silicon and runs at 1/3 the speed of rambus. Being less expensive to produce, it will probably sell for less as well.

Do you have a link with retail rambus module pricing?

Dan