Ricoh Adopts Mentor Graphics LBISTArchitect for Logic BIST
TOKYO--(BUSINESS WIRE)--April 17, 2002--Mentor Graphics
Corporation (Nasdaq:MENT - news) today announced that Ricoh has adopted its
logic built-in-self-test (BIST) solution LBISTArchitect(TM) tool.
By using the LBISTArchitect tool, Ricoh has developed a design
flow for System-on-Chip (SoC) logic that eliminates external stored
patterns for increased test efficiency and enhances the overall
quality of the design.
"We are convinced of the value in using a full scan approach for
logic circuit test and view logic BIST as the next step to help us
eliminate stored patterns," said Takamitsu Yamada, CAD Engineering
Section, Imaging System LSI Development Center, at Ricoh Co., Ltd. "As
the number of transistors per chip grows, pattern volume increases and
becomes a bottleneck in circuit design. We have found the BIST
approach to be successful in solving this problem."
Prior to using logic BIST, Ricoh established a BIST design flow
for embedded memories using the Mentor Graphics® MBISTArchitect(TM)
tool. In addition to using LBISTArchitect Ricoh also uses other Mentor
solutions in their Design-for-Test (DFT) flow including the
DFT-Advisor(TM) tool for scan insertion and the FastScan(TM) automatic
test pattern generation tool.
"As a DFT partner, Mentor Graphics has greatly contributed to our
efficient test flows. Using the LBISTArchitect tool, we eliminated
stored patterns and maintained product quality. We see product quality
benefits from increased detection of speed-related defects and the
full JTAG control enables a board component diagnosis solution," said
Zenji Oka, manager of CAD Engineering Section, Imaging System LSI
Development Center, at Ricoh Co., Ltd.
"We are proud that Ricoh succeeded in logic BIST as the result of
our DFT strategy," said Pat Williams, president of Mentor Graphics
Japan. "We have been strengthening our DFT solutions for several years
with the goal of providing dramatic cost reductions as well as
productivity and quality improvements to our customers. LBISTArchitect
delivers innovative technology for low-intrusion high-quality test
approach."
LBISTArchitect contains patented BIST-Ready(SM) technology that
ensures very high fault coverage without timing, routing and power
dissipation overhead traditionally seen in BIST. The product's
patented multiphase test point insertion MTPISM technology increases a
design's fault coverage while adding control and observe points to
test any logic resistant to random patterns. The MTPI technology
ensures test points are not added to either timing critical areas or
paths within the design. The tool's design rules checks can run at any
stage of the design and test process, and combined with the
parameterizable BIST controller, ensures that the BIST implementation
can handle engineering change orders (ECOs) without the need for
re-synthesis.
The board-level component test offered by LBISTArchitect enables
manufacturers to efficiently diagnose failing printed circuit boards.
Logic BIST technology can be used to identify the failing devices on
the boards, allowing users to replace only the defective parts rather
than the entire board, save tremendous amounts of time and money and
maintain board manufacturing quality.
About Ricoh
Ricoh Company, Ltd. is one of the world's leading suppliers of
office automation equipment and PC peripheral products, such as
copiers, printers, facsimile machines, document software and
CD-RW/DVD+RW drives. Its Electronic Devices Company has a strong point
in analog devices for Power Management ICs, and digital devices for
Image Processing. Ricoh Company Ltd. is a global company and its
products are used as requisite for information technology all over the
world. Telephone: +81 3 3479 3111. Web site: http://www.ricoh.co.jp/.
About Mentor Graphics
Mentor Graphics Corporation (Nasdaq:MENT - news) is a world leader in
electronic hardware and software design solutions, providing products,
consulting services and award-winning support for the world's most
successful electronics and semiconductor companies. Established in
1981, the company reported revenues over the last 12 months of more
than $600 million and employs approximately 3,100 people worldwide.
Corporate headquarters are located at 8005 S.W. Boeckman Road,
Wilsonville, Oregon 97070-7777; Silicon Valley headquarters are
located at 1001 Ridder Park Drive, San Jose, California 95131-2314.
World Wide Web site: www.mentor.com.
Mentor Graphics is a registered trademark of Mentor Graphics
Corporation. LBISTArchitect, DFTAdvisor, MBIST Architect and FastScan
are trademarks and BIST-Ready and MTPI are service marks of Mentor
Graphics Corporation. All other company or product names are the
registered trademarks or trademarks of their respective owners.
Contact:
Mentor Graphics
Leanne White, 503/685-1984
leanne_white@mentor.com
or
Mentor Graphics Japan
Masayoshi Suzuki, +81 3 5488 3035
masayoshi_suzuki@mentor.com
