ARM and Mentor Graphics Define Comprehensive Test Methodology for Arm-Based Designs
19 9월 2011 - 10:00PM
Business Wire
Mentor Graphics Corporation (NASDAQ: MENT) today announced a
comprehensive solution, jointly developed by Mentor and ARM, for
manufacturing test of ARM® processor-based designs. The reference
flow provides documentation, seamless interfaces, and scripts that
accelerate the development of a complete test solution for ARM IP
based on the Tessent® test tools from the Mentor Graphics
Corporation. The flow is optimized for high test quality, lower
test cost and shortened design-for-test development schedules.
Today’s SoCs typically contain hundreds of memory subsystems
consisting of several types of individual SRAMs, including single-
and dual-port SRAM, register files and ROMs. Within each
subsystem, the memories may range from high-speed SRAMs operating
at higher voltages to power-optimized SRAMs operating at reduced
voltage. All such memories have different test and/or repair
requirements, depending on the size of the individual memory
instances, total SoC memory size, process defect level and
maturity. The Tessent solution provides a completely automated
memory test and repair solution including at speed testing with
100% accurate logical-to-physical mapping of ARM Artisan®
memories.
In addition to the many memory SoC subsystems, some of the
memories are further embedded within processor cores which have
been custom tailored to achieve the highest performance and lowest
power in the smallest footprint. The additional complexity
added by the need for proper test—and in some cases, repair of the
memories contained in these optimized cores—mandates a test and
repair solution that achieves the highest yield with minimal impact
on SoC performance, power, footprint or cost. ARM and Mentor have
collaborated to enable Tessent support for the ARM MBIST core
interface, which provides one or more interfaces for each embedded
core, enabling full testing of every memory within each core with
minimum impact on core power, performance or area.
“The new Tessent TestKompress® reference flow provides our
customers with a simple and verified test methodology for
cost-effective, high quality test of processor cores and associated
logic,” said Teresa McLaurin, DFT manager at ARM. “This builds on
our previous collaboration on comprehensive, automated built-in
self test (BIST) solutions for ARM physical memory IP using the
Tessent MemoryBIST product.”
The ARM-Mentor test flow supports comprehensive testing of ARM
cores and logic, and embedded memories used in customer SoCs. The
solution employs the Mentor scan-based design-for-test and
automatic test pattern generation (ATPG) tools with embedded
compression, as well as memory BIST with self-repair technologies.
The test flow defines all steps necessary for incorporating and
verifying all test compression and memory BIST IP, as well as
generating all necessary test patterns. The automation flow is
further simplified through default scripting and configuration
files.
“Our joint effort with ARM is extremely beneficial for our
mutual customers because it enhances the time-to-market advantages
of using ARM IP by helping them achieve their testing objectives in
the least amount of time,” said Steve Pateras, product marketing
director, Silicon Test Products, Mentor Graphics. “The Tessent
solution also helps the bottom line with the most efficient testing
available to reduce test time and overall manufacturing cost.”
About Mentor Graphics
Mentor Graphics Corporation (NASDAQ: MENT) 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 electronic, semiconductor and systems
companies. Established in 1981, the company reported revenues over
the last 12 months of about $915 million. Corporate headquarters
are located at 8005 S.W. Boeckman Road, Wilsonville, Oregon
97070-7777. World Wide Web site: http://www.mentor.com/.
(Mentor Graphics, Mentor, Tessent, and TestKompress are
registered trademarks of Mentor Graphics Corporation. All other
company or product names are the registered trademarks or
trademarks of their respective owners.)
Mentor Graphics Corp. (NASDAQ:MENT)
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