More Analog Needed For Multicore SoCs


By Mike Demler Minimizing on-chip power consumption continues to be one of the greatest challenges facing SoC designers. Everyone who owns a cell phone has undoubtedly seen the effect on limited battery life firsthand, but the impact on the unseen compute servers in “the cloud” is even more severe, making total electrical operating costs greater than the hardware expense, according to AMD ... » read more

Interconnect Power II


Barry Pangrle After submitting last month’s blog, I read a very interesting article by Deepak Sekar analyzing Intel’s 22 nm FinFET technology versus a hypothetical planar 22nm CMOS technology. Beyond the advantages of being able to use a 140 mV reduction in the supply voltage for the trigate technology, Deepak did a breakdown analysis for the predicted power across a representative micropr... » read more

Customer Perspective: STMicroelectronics


By Ed Sperling Philippe Magarshack, group vice president for technology R&D at STMicroelectronics, sat down with Low-Power Engineering to talk about some of the fundamental changes ahead in how SoCs are designed, built, how they perform and what steps can be taken to speed time to market. LPE: What do you see as the biggest changes ahead? Magarshack: One is the sheer size of the ecosy... » read more

Experts At The Table: Multi-Core And Many-Core


By Ed Sperling Low-Power Engineering sat down with Naveed Sherwani, CEO of Open-Silicon; Amit Rohatgi, principal mobile architect at MIPS; Grant Martin, chief scientist at Tensilica; Bill Neifert, CTO at Carbon Design Systems; and Kevin McDermott, director of market development for ARM’s System Design Division. What follows are excerpts of that conversation. LPE: How does cloud computing... » read more

The Big Picture


Business is booming for the makers of processors. Intel posted its five consecutive record quarter, AMD turned a profit, Tensilica shipped its billionth DSP, ARM and MIPS are both reporting strong earnings. So what’s changed? There are several distinct trends driving this upbeat mood: The replacement cycle. After years of putting off purchases through a prolonged and deep downturn, com... » read more

Extending Battery Life


By Ed Sperling In the past it was all about clock frequency. People bought the latest computer and frequently paid a premium because it could crunch numbers faster. But as computing moves from the desktop into handheld devices, that focus is radically changing. Low-Power Engineering caught up with Mark Bohr, senior fellow and director of Intel’s process architecture and integration, to ta... » read more

5 Ways To Cut Power


By Ed Sperling Low energy consumption with minimal leakage has emerged as the most competitive element in an IC design, regardless of whether it involves a plug, a battery, or whether it’s powered by a gasoline engine. While components on an SoC aren’t always power-aware, they’ll have to be in the future as consumers focus first on energy efficiency. With rising fuel costs, a concern ... » read more

Who’s In Control?


By Ed Sperling A power shift is under way across the SoC world that ultimately determine who wins the business, who gets the biggest share and what technologies are ultimately used to get there. Complexity has reached a point where being able to pull the necessary pieces from a disaggregated supply chain is becoming much more difficult. That helps explain why all three of the major EDA comp... » read more

Tri-Gate’s Fallout


By David Lammers Intel Corp. dropped a rock into the pond of transistor technology when it announced its 22nm tri-gate technology in San Francisco earlier this month. The ripples continue to move out from that event, with impacts on IDMs, foundries, and fabless semiconductor companies being closely studied. Now that Intel has come out of the closet with its tri-gate technology, “the found... » read more

Intel’s New Machine


By Barry Pangrle Power is one of those product characteristics that touches on every phase of the design and verification process all the way from the system architecture down to the fabrication process used for the actual IC implementation. In this month’s blog we take a look at process technology and in this case, it appears to be the case that the technology rich are getting richer. On... » read more

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