September 2007

November 1, 2007

What to look for when using an external PCB design center

The successful completion of complex PCB layouts requires a combination of highly skilled and experienced layout designers, a structured front-to-back design process, and advanced EDA toolsets. Success can be defined as meeting or exceeding all electrical, mechanical, and manufacturing requirements, and, where an external PCB design center is involved, satisfying the client in all interactions [...]
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September 1, 2007

From algorithm to first 3.5G call in record time

Increasing system complexity is forcing design teams to avoid errors during the process of system refinement and reduce ambiguities during system implementation to a minimum. On the other hand, the system design approach they choose must enable a project to advance rapidly through all stages of refinement from an algorithmic model to a real system-on-chip […]

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September 1, 2007

Designing for the real world

Lew Counts It is not unusual for analog circuit designers to exhibit a wistful air of ‘been there, done that’, even if you would never catch them wearing the t-shirt. That goes double for Lewis Counts, vice president of analog technology at Analog Devices and a fellow with the sector giant. “There are things they’re […]

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September 1, 2007

Characterizing process variation in nanometer CMOS

The correlation of a statistical analysis tool to hardware depends on the accuracy of underlying variation models. The models should represent actual process behavior as measured in silicon. This paper presents an overview of test structures for characterizing statistical variation of process parameters. It discusses the test structure design and characterization strategy for calibrating random […]

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September 1, 2007

Changing the economics of chip verification

Introduction Burgeoning design complexity has greatly increased the scale of the verification effort. At the same time, there is a widening gap between the growth in vital activities such as functional verification and the ability of tools and methodologies to fulfill such tasks efficiently. If we fail to close that gap, the potential impact on […]

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September 1, 2007

Automating the SSN verification challenge

Simultaneous Switching Noise (SSN) is the voltage fluctuation caused by the simultaneous switching of groups of output chip I/O drivers that drive high slew rate signals. It has an impact on I/O and core power supply lines and on signal lines, and is an increasingly important challenge for designs that incorporate high performance interfaces, such […]

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September 1, 2007

What to look for when using an external PCB design center

The paper outlines the criteria upon which an OEM should make its selection of a third-party PCB design supplier. It groups these into three main categories. Staff with appropriate technical and communications skills. Comprehensive and fully documented design processes (ranging from the use of consistent design strategies to approaches to component library maintenance). Tool support […]

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September 1, 2007

Using multi-corner multi-mode techniques to meet the P&R challenges at 65 nm and below

Concurrent multi-corner, multi-mode analysis and optimization is becoming increasingly necessary for sub-65nm designs. Traditional P&R tools force the designers to pick one or two mode corner scenarios due to inherent architectural limitations. As an example of the problem, a cellphone chip typically needs to be designed for 20 mode/corners scenarios. In the absence of a […]

September 1, 2007

The hidden cost of EDA

There must be a better way to keep track of electronic engineering software licenses. EDA tools are very expensive, essential to R&D work, and must be properly maintained to ensure that commercial designs are completed on-schedule. Nevertheless, companies traditionally set aside little management time to put formal control systems in place for these assets. Consider […]

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September 1, 2007

Start Here

It is interesting to see how the once widespread concern over design-for-manufacturability (DFM) has begun to recede. Yes, progressive process nodes will present further fabrication challenges. However, users now believe that the EDA world is well-placed to address them. EDA vendors have added more depth and breadth to their offerings. Foundries have provided necessary data […]

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