Mentor collaborates with Arm on unique eMRAM test solution using Samsung FDSOI technology

Mentor collaborates with Arm on unique eMRAM test solution using Samsung FDSOI technology

Dec. 16, 2019. Mentor, a Siemens business, today announced it will provide a unique IC test solution for the eMRAM (embedded Magnetoresistive Random Access Memory) compiler IP from Arm, built on Samsung Foundry’s 28nm FDSOI process technology. The new eMRAM test solution is the result of a collaboration between Mentor and Arm, a global leader in semiconductor IP, and builds on a longtime relationship between the two companies to provide optimized hardware and software solutions for advanced test ecosystems. Mentor also has a long track record of working closely with Samsung on innovative test solutions for a broad array of highly innovative technologies such as eMRAM. 

Unlike many traditional memory technologies, eMRAM is not fabricated with conventional silicon circuitry, so it requires new approaches and technologies for IC testing and quality assurance. Mentor is working with Arm to leverage industry-leading Tessent® software Built-In Self-Test (BIST) Design-for-Testability (DFT) technologies for testing the next-generation of Arm® eMRAM compiler IP in development.

“Markets such as automotive, artificial intelligence, and the Internet of Things require high demanding memory features of high density and low power, which have not been easily provided by the conventional memory solutions,” said JaeSeung Choi, Design Enablement team project leader at Samsung Electronics. "Embedded MRAM is expected to deliver much higher integration with lower power consumption, and this type of non-volatile memory is starting to attract attention as demand from advanced technology applications is steadily increasing.”

eMRAM delivers high-speed performance with the non-volatility of flash in a single, high-endurance device. However, despite these advantages, eMRAM presents new types of defects and test challenges due to the inherent probabilistic nature of the new physics and different failure modes.

Perfecting the DFT techniques for the new failure mechanisms introduced with eMRAM technology will require close cooperation across memory providers, foundries and EDA providers. Samsung is collaborating with Arm on a test chip to leverage actual silicon results to expand the new Memory BIST capabilities offered by Mentor. 

“Embedded MRAM brings great potential to customers seeking to scale memory based on the complexity of use-cases across consumer and industrial markets,” said Kiran Burli, senior director of marketing, Physical Design Group, Arm. “For eMRAM to be an effective alternative to existing non-volatile memory options, it requires an efficient testing solution. Arm is pleased to collaborate with Mentor on a solution that produces higher test coverage for eMRAM and therefore allows customers to realize the full potential of the Arm eMRAM compiler IP.”

Engineered to increase memory yield by combining spare resources and multi-bit ECC logic, the testing solution under development by Mentor and Arm involves the expansion of new Memory BIST hardware and test algorithms. Additionally, Mentor’s built-in, automated trimming functionality is expected to help ease mainstream adoption of eMRAM throughout the industry.

“Mentor’s new memory repair methodology helps increase manufacturing yield, as well as enable deterministic behavior of the memory in-system,” said Brady Benware, vice president and general manager for the Tessent product family at Mentor, a Siemens business. “Mentor’s eMRAM test solution leverages Mentor’s industry-proven Tessent MemoryBIST product, providing a unified set of memory test and repair IP for both SRAMs and eMRAMs.”

For more information about Mentor’s portfolio of advanced Tessent memory test solutions, please visit:

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Mentor Graphics Corporation, a Siemens business, 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. Corporate headquarters are located at 8005 S.W. Boeckman Road, Wilsonville, Oregon 97070-7777. Web site:

Note:  A list of relevant Siemens trademarks can be found here. Other trademarks belong to their respective owners. 

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