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Industry Collaboration for DDR Memory System Development Joined by LSI and STMicroelectronics
Wednesday, July 23, 2008
Expanded Working Group to Deliver Next Version of DDR PHY Specification Minimizing Design and Integration Cost Benefits with Reusable IP
SUNNYVALE, Calif., July 23 /PRNewswire/ -- Denali Software, Inc., today,
as one of the DDR PHY Interface (DFI) specification participating members
including ARM, Denali, Intel, and Samsung, announced that LSI Corporation and
STMicroelectronics have joined the collaborative technical working group for
the industry standard DDR-PHY Interface (DFI) specification, which simplifies
the interoperability between the memory controller and PHY. Representatives
from these industry-leading companies make up the collaborative technical
working group, which plan to contribute to improvements and enhancements in
the next version of the DFI specification. With the expanded technical working
group, including LSI and STMicroelectronics, the ongoing development of the
specification will continue to benefit PHY providers, chip architects and
memory controller vendors, speeding their DDR memory system design and
integration, reducing significant verification costs.
"Industry-accepted interface specifications simplify development and
facilitate interoperability," said Don Friedberg, director of Foundation IP
Solutions at LSI Corporation. "The DDR-PHY Interface specification will help
streamline the integration of memory interface PHYs with high-performance
controllers."
"STMicroelectronics is a strong promoter of open industry standards.
Parallel DRAM interfaces are increasingly becoming a performance driver for
many of our system-on-chip products in computer peripheral, consumer, telecom,
and wireless applications," said Pierre Dautriche, AMS and PHY IPs director at
STMicroelectronics. "It is therefore natural that ST joins the DFI
standardization body, which will benefit our customers with higher performance
in our DDR interfaces."
This current version of the specification, DFI 2.0, available through a
click-thru license at: http://www.ddr-phy.org, supports DDR1, DDR2, Mobile,
and DDR3 memory; adds read, write, and gate training interfaces; and improves
upon the interoperability features between the memory controller and a DDR
PHY. The official version of the specification has been based on the 1.0
foundation of the common interface between DDR-DRAM memory controller logic
designs and DDR DRAM physical interface (DDR PHY) designs. This specification
allows designers a standard that has wide industry acceptance and ensures that
the controller and PHY will work optimally together and no changes will be
required to the hardened logic, resulting in reduced cost, time-to-market, and
increasing reusable system IP. Further DDR DRAM and PHY technical discussions,
presentations, and supporting technologies will be highlighted during the
upcoming MemCon event, "The Technology Roadmap for Memory and Storage," in
Santa Clara, CA., from July 21-24.
"LSI and STMicroelectronics coming aboard as technical contributors to the
next DFI specification represent the significant awareness and the importance
of a standard interface between the controller and PHY," said Bryan Jones, who
oversees Corporate External IP Management for Intel's Mobility Group. "Amidst
the growing community of technology experts and interface users, the
contributions from the expanded technical team will increase further industry
adoption, technical advancement, and exciting opportunities."
"With these new additions to the contributing technical committee, we look
forward to improvements in the next version of the existing specification,"
said Brian Gardner, vice president of IP products at Denali. "The industry
will continue to benefit from memory controllers and PHYs that fall in line
with the specification, providing enhanced interoperability and high
performance."
About the DFI Specification
The DDR PHY Interface (DFI) specification defines an interface protocol
between memory controller logic and PHY interfaces, with a goal of reducing
integration costs while enabling performance and data throughput efficiency.
The protocol defines the signals, timing, and functionality required for
efficient communication across the interface. The specification is designed to
be used by developers of both memory controllers and PHY designs, but does not
place any restrictions on the how the memory controller interfaces to the
system design, or how the PHY interfaces to the DRAM devices. For more
information about the DFI specification, visit: http://www.ddr-phy.org.
About Denali Software
Denali Software, Inc. is a world-leading provider of electronic design
automation (EDA) software and intellectual property (IP) for system-on-chip
(SoC) design and verification. Denali delivers the industry's most trusted
solutions and platforms for deploying PCI Express(R), NAND Flash and DDR DRAM
subsystems. Developers use Denali's EDA, IP and services to reduce risk and
speed time-to-market for electronic system and chip design. Denali is
headquartered in Sunnyvale, California and has offices around the world to
serve the global electronics industry. More information about Denali, its
products, and services is available at http://www.denali.com.
PCI Express is a registered trademark of PCI-SIG. All trademarks are
property of their respective owners.
Editorial contact:
Pierre Golde
Denali Software, Inc.
(408) 743-4262
pgolde@denali.com
SOURCE Denali Software, Inc.
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