ARM Announces 45nm SOI Test Chip Results That Demonstrate 40 Percent Power Savings Over Bulk Process

October 8, 2009

ARM announced at the IEEE SOI Conference, Foster City, Calif., the results from a silicon-on-insulator (SOI) 45nm test chip that demonstrate potential power savings of up to 40 percent over traditional bulk process for manufacturing chips. The test chip was based on an ARM 1176 processor and enables a direct comparison between SOI and bulk microprocessor implementations. The results confirm SOI technology is a viable alternative to traditional bulk process technology when designing low-power processors for high-performance consumer devices and mobile applications.

ARM and Soitec collaborated to produce a test chip to demonstrate the power savings in a real silicon implementation with a well-known, industry-standard core. The goal was to produce a comparison of 45nm SOI high-performance technology with bulk CMOS 45nm low-power (LP) technology of the same product.

The silicon results show that 45nm high-performance SOI technology can provide up to 40 percent power savings and a 7 percent circuit area reduction compared to bulk CMOS low-power technology, operating at the same speed. This same implementation also demonstrated 20 percent higher operating frequency capability over bulk while saving 30 percent in total power in specific test applications.

“This benchmark by ARM and Soitec clearly demonstrates the potential power/performance benefits of our sixth-generation 45nm SOI technology now available to both ASIC and foundry clients,” said Mark Ireland, vice president, Semiconductor Products & Services, IBM. “Validating the power advantage of SOI with an industry-standard ARM processor demonstrates the possibilities for SOI adoption in the digital consumer electronic segment.”

The design was implemented using ARM and IBM standard SOI libraries and leading EDA tools. The IP ecosystem and manufacturing solutions are in place for design starts with ARM and IBM libraries on IBM 45nm SOI technology.

Source: ARM

Explore further: UMC, ARM Partner to Deliver Comprehensive SOI Solutions for 65nm Technology

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Buyck
not rated yet Oct 09, 2009
Sorry but 45nm is already outdated everybody now invest in 22nm and beyond! 40 percent power savings is maybe a good thing but if on day nodes of 22nm (2011) or 15nm (2013) are on the market by then they will consume much less power that what ARM presents today.
Soundgardener
not rated yet Oct 10, 2009
Yeah the article failed to mention whether the tech is process specific or can be continued at smaller sizes. Even if not, a significantly lower power 45nm process would still probably have a niche in the embedded market, which isn't generally as cutting edge as the PC market.

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