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Ars Technica RAM Guide Part III: DDR DRAM And RAMBUS
White Papers We'll open up this article by talking about DDR DRAM, and how it relates to the current generation of SDRAM. This edition will cover the two next-generation DRAM technologies that are competing for dominance in the PC space.
[January 1, 1970, 0:59]
Rambus Starts Licensing Designs To Use Disputed Memory
News The company has begun to license designs for interfaces for DDR DRAM, or double data rate DRAM, which is the most common type of memory found in PCs and a technology that's often used in consumer electronics devices as well.
[May 10, 2004, 12:00]
Compaq Tries On Next-generation Memory
News Houston-based Compaq is making the DDR memory, or DDR DRAM, available as part of its new consumer model, the Presario 7000z, which uses Advanced Micro Devices' Athlon chips ranging from 1GHz to 1.2GHz.
[February 22, 2001, 10:30]
Intel Chipset Boosts 400MHz Production
News The majority of double data rate (DDR) DRAM, the most common form of memory found in computers, typically runs at 266MHz or 333MHz. Memory giant Samsung also expects to make more DDR 400MHz, said Mueez-Ud Deen, director of DRAM marketing for the...
[January 30, 2003, 10:41]
AMD-760™ Chipset With DDR SDRAM Memory Support
White Papers AMD continues to demonstrate its performance leadership with the introduction of the AMD-760™ chipset for AMD Athlon™ processors, supporting the new and high performing memory: Double Data Rate (DDR) Synchronous DRAM (SDRAM), commonly referred to...
[January 1, 1970, 0:59]
Samsung, Hyundai, Intel Roll Out Memory
News Electronics giants Hyundai and Samsung are showing off their latest memory products at the Intel Developer Forum in Palm Springs, California this week, including Hyundai's new double data rate (DDR) synchronous DRAM (SDRAM).
[February 15, 2000, 14:13]
Intel To Phase Out Rambus Discounts
News At the same time, there are signs that DDR DRAM (double data rate DRAM) memory is gaining on RDRAM in sales. The firm said that Rambus and DDR memories both make up about 15 percent of total DRAM sales.
[July 25, 2001, 15:11]
Intel Laptops Get Faster Memory While Rambus Languishes
News Intel laptops got a speed boost on Wednesday, as Taiwan's Via Technologies released the first chipset allowing the Pentium mobile chips to use a next-generation form of memory called DDR (double data-rate) DRAM.
[January 23, 2002, 15:38]
Rambus Reveals Royalty Rates
News Testifying on Wednesday in the company's patent infringement trial against German chipmaker Infineon Technologies, Rambus executives disclosed that the company charges memory chipmakers a 3.5 percent royalty on the manufacture of DDR DRAM, a high...
[May 3, 2001, 9:20]
Rambus Back In Court
News Rambus has pending suits against Infineon, Hynix and Micron that allege that DDR DRAM -- the most common type of memory used in PCs for the last several years -- produced by these companies violates its intellectual property.
[January 26, 2005, 11:20]
EU Investigates Memory Allegations
News At that time, the PC market was shrinking, but prices for DRAM and DDR DRAM -- the type of memory found in the vast majority of PCs -- were skyrocketing. Last month, the Federal Trade Commission, in conjunction with its decision in the Rambus case...
[March 3, 2004, 7:30]
PC Memory: The Next Great Battle?
News DDR DRAM, pioneered by a consortium of chip makers and embraced by AMD, promises to more than double the available memory bandwidth of a PC, and for a very small price premium. The technologies at the centre of the debate are Rambus direct RAM and...
[March 24, 2000, 9:53]
Hopes Blossom In Chip Drought
News A 512MB module of DDR DRAM now sells for $123, according to Roland Baker, chief executive of Net Express, which makes workstations and servers. Prices for DDR DRAM, for instance, have increased since the middle of the month, according to computer...
[November 29, 2001, 10:27]
Infineon Fights On With Rambus Countersuit
News Just as important is that the eight memory companies that settled with Rambus would no doubt use an Infineon verdict as ammunition to renegotiate or even cancel SDRAM/DDR DRAM licensing agreements signed before the trial.
[May 8, 2001, 9:13]
Rambus Wins $300m From Hynix In Patent Case
News Memory designer Rambus had alleged that Hynix and other large memory manufacturers infringed its patents in producing DDR DRAM - the most common type of memory in PCs today - as well as in making SDRAM and DDR2 DRAM.
[April 25, 2006, 12:20]
Infineon Boosts Memory Chip Output
News The ProMOS factory, located in Hsinchu, Taiwan, produces mainly 128-megabit and 256-megabit SDRAM (synchronous DRAM) and DDR SDRAM (double data rate SDRAM) chips. The German DRAM (dynamic random access memory) maker announced on Monday it has inked...
[March 11, 2002, 15:48]
PC Makers Embrace New Intel Chipset
News Among other benefits, the 865 chipsets let PC makers build desktops with two channels of DDR DRAM memory, a workstation-like feature that increases the volume of data the processor can obtain at once.
[May 21, 2003, 10:24]
Intel To Bring SDRAM To Pentium 4
News So was Intel looking at supporting SDRAM or even double data rate DRAM (DDR DRAM) for Pentium 4? Alfs said that in fact, "we are investigating a DDR option for this chip set. Intel will offer SDRAM support, and is evaluating DDR, because "We want...
[July 26, 2000, 9:07]
Rambus' Patent Warfare
News The company may also be trying to make RDRAM look more attractive than DDR DRAM, a direct competitor, by making DDR DRAM more expensive to manufacture. At the moment RDRAM is significantly more expensive than DDR DRAM, although some testers say it...
[August 14, 2000, 17:02]
Memory Price Rises Set To Continue
News Meanwhile, manufacturers are finding ready markets for DDR DRAM, a faster version of SDRAM now gaining popularity. The growing popularity of DDR DRAM is also buoying optimism as manufacturers can charge more for it than standard SDRAM.
[March 13, 2002, 9:27]
