Infineon Ships Samples of 256M-bit DDR SDRAMs

STOCKHOLM (04/10/2000) - Infineon Technologies AG announced today that it has started shipping samples of 256M-bit DDR (double data rate) SDRAM (synchronous dynamic random access memory) modules.

Aimed at the desktop PC, workstation and server markets, the 256M-bit DDR SDRAMs are expected to become available in production volumes by the end of the year in tandem with the industry's move toward the emerging memory standard, the Munich-based chip maker said in a statement.

Samples of 256M-byte or 512M-byte DIMMs (dual inline memory modules), featuring the high-density DDR SDRAM chips are available now, with a 1G-byte module to follow, Infineon said. The standard 184-pin DIMMs will ship in both registered modules for high-end server and workstation applications as well as unbuffered modules for use in performance desktop PCs and low-end servers and workstations, the company said.

Pricing information was not available.

In applications such as PCs, DDR SDRAMs boost performance by transferring data on both edges of the memory clock so that a DDR SDRAM clocked at 133MHz will offer a burst rate of 266MHz or a peak bandwidth of more than 2.1G bytes per second, Infineon said.

Initial volumes of the 256M-bit DDR SDRAMs, available in both 200MHz and 266MHz burst rate versions, will be provided by a pre-production fabrication line in East Fishkill, New York, operated by the DRAM Development Alliance backed by Infineon, IBM Corp. and Toshiba Corp., Infineon said in the statement.

Later, the 256M-bit DDR SDRAM technology will be ported to the White Oak Semiconductor manufacturing site in Richmond, Virginia, the company said.

In February, Intel Corp. made a US$250 million investment in Infineon, the former semiconductor division of Siemens AG. In return, Infineon committed to increasing its manufacturing capacity for DRAMs, including for those featuring Rambus Inc.'s high-speed memory interface, which will compete directly with DDR SDRAM technology. [See "Intel Investing $250 Million in Infineon," Feb. 22.]In related news, Taiwan-based chip set vendor Via Technologies Inc. today announced that it will support DDR SDRAMs in forthcoming PC chip sets scheduled to ship in this year's second half. [See "Via Chip Sets to Support DDR266 SDRAM Memory," April 10.]Chip sets handle data traffic between the microprocessor and the memory array in a PC system, thus assuming a key role in determining the interface standard for the types of DRAMs that can be used in PCs.

Infineon Technologies AG, in Munich, can be reached at +49-89-234-0, or via the Web at

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