Global Unichip Adopts Altos' Liberate(TM) to Strengthen Its Service on Low Power Applications

SAN JOSE, Calif.—(BUSINESS WIRE)—May 7, 2007— Altos Design Automation Inc. today announced that Global Unichip Corporation, a dedicated full service SoC (System On Chip) Design Foundry based in Taiwan, has adopted its library characterization product, Liberate.

Global Unichip, which provides design solutions ranging from silicon-proven intellectual property (IPs) to complex system-on-chip designs, is using Liberate to re-characterize 90nm low power standard cell library at a lower supply voltage. The re-characterized library is to be applied to portable applications.

Jim Lai, COO & President at Global Unichip said, "Global Unichip has been focusing on the low power design methodology as leakage escalates in the deep submicron process and the application power requirement has been increasingly stringent. Other than developing the design methodologies from architecture, RTL level, we also work with library and EDA vendors to come up with a comprehensive low power solution from library level. In low power designs, it is common to use a lower voltage than the standard supply or to have multiple supply voltages. To avoid interpolation errors, it is critical that the libraries being used to implement the design are re-characterized at these voltages."

Lai continued, "We selected Altos Liberate to perform characterization because of its speed, ease of use and the excellent correlation between Liberate's results and the Liberty(R) files provided by our library vendor."

"Standard cell libraries come characterized to a fixed set of operating conditions (process, voltage and temperature (PVT)). However designs that operate under different PVT conditions should be re-characterized to avoid potential chip failures due to inaccurate analysis," said Jim McCanny, Altos CEO. "Global Unichip was able to leverage Liberate's fast performance and ease of use to quickly re-target their library vendor's 90nm library from 1.2Volts to 1Volt without requiring a major computer farm or a team of characterization specialists."

About Liberate

Liberate is an ultra fast library creator that generates electrical models in Liberty(R) format. Liberate supports all the latest models for timing, noise and power such as CCS (Composite Current Source) and ECSM (Effective Current Source Models). Liberate also supports low power design styles that include power gating cells, state retention registers and level shifters.

About Global Unichip Corp.

Global Unichip Corp. (GUC), a dedicated full service SoC (System On Chip) Design Foundry based in Taiwan, was founded in 1998. GUC provides total solutions from silicon-proven IPs to complex time-to-market SoC turnkey services. GUC is committed to providing the most advanced and the best price-performance silicon solutions through close partnership with TSMC, GUC major shareholder, and other key packaging and testing power houses. With state-of-the-art EDA tools, advanced methodologies, and experienced technical team, GUC ensures the highest quality and lowest risks to achieve first silicon success. GUC has established a global customer base throughout Greater China, Japan, Korea, North America, and Europe. Its track-record in complex SoC designs has brought benefits to customers in time to revenue at the lowest risk. For more information, please visit

About Altos

Altos Design Automation provides ultra-fast, fully-automated characterization technology for the creation of library views for timing, signal integrity and power analysis and optimization. Altos advanced modeling solutions are used by both corner-based and statistical-based design implementation flows to reduce time to market and improve yield.

Privately held, Altos was founded in 2005 in Santa Clara, CA. Its corporate headquarters is at 4020 Moorpark Ave., Suite 100, San Jose, CA 95117. Telephone: (408) 980-8056. On the Web at:

Liberate is a trademark of Altos Design Automation, Inc. All other trademarks and registered trademarks are the property of their respective owners.


Altos Design Automation
Jim McCanny, 408-373-5710
Email Contact
Ed Lee, 650-363-0142
Email Contact
Debbie McDermott, 650-363-0142
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