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Getting Low Power Design Right in Mixed Signal Designs

Getting Low Power Design Right in Mixed Signal Designs
by Bernard Murphy on 05-12-2016 at 4:00 pm

Mixed-signal design creates all sorts of interesting problems for implementation and verification flows, particularly when it comes to design for low power. We tend to think of mixed-signal as a few blocks like PLLs, ADCs and PHYs on the periphery of the design. Constrain and verify the digital power requirements up to analog … Read More


Eight Improvements for PCB Software

Eight Improvements for PCB Software
by Daniel Payne on 05-04-2016 at 12:00 pm

I first met John Durbetaki at Intel in Aloha, Oregon and we both had a keen interest in the nascent personal computer industry. My first PC was made by Radio Shack and dubbed the TRS-80 which maxed out at 48KB of RAM. I kept watch on Durbetaki as he left Intel and formed his own company OrCAD in 1985 to serve the needs of PC-based CAD software.… Read More


Software-Driven Verification Drives Tight Links between Emulation and Prototyping

Software-Driven Verification Drives Tight Links between Emulation and Prototyping
by Bernard Murphy on 04-28-2016 at 12:00 pm

I’ve mentioned many times what has become a very common theme in SoC and system verification – it has to be driven by the software because any concept of exhaustively verifying “everything” is neither feasible nor meaningful. Emulation has become a critical component of this flow in validating and regressing… Read More


Metric-Driven Verification for System Signoff

Metric-Driven Verification for System Signoff
by Bernard Murphy on 04-27-2016 at 12:00 pm

Everyone knows that verification is hard and is consuming an increasing percentage of verification time and effort. And everyone should know that system-level verification (SoC plus at least some software and maybe models for other components on a board) is even harder—which is why you see hand-wringing over how incompletely… Read More


Digital Design Trends – A Cadence Perspective

Digital Design Trends – A Cadence Perspective
by Bernard Murphy on 04-21-2016 at 7:00 am

I talked with Paul Cunningham (VP front-end digital R&D) at CDNLive recently to get a Cadence perspective on digital design trends. He sees needs from traditional semiconductor companies evolving as usual, with disruption here and there from consolidation. But on the system side there is explosion in demand – for wearables,… Read More


Neural Networks Poised to Make Big Changes in Our World

Neural Networks Poised to Make Big Changes in Our World
by Tom Simon on 04-11-2016 at 12:00 pm

Probably the most interesting thing about Neural Networks is how they can be used for complex recognition tasks that we as people can easily perform but we might have a lot of trouble explaining how. One very good example of a problem that Neural Networks can tackle is determining when people are making a fake smile. Intuitively we… Read More


The Importance of Transistor-Level Verification

The Importance of Transistor-Level Verification
by Students@olemiss.edu on 04-10-2016 at 7:00 am

According to the IEEE Std 1012-2012, verification is the acknowledgement that a product is in satisfactory condition by meeting a set of rigorous criteria. [3] Transistor-level verification involves the use of custom libraries and design models to achieve ultimate performance, low power, or layout density. [2] Prediction… Read More


The Most Important Point You May Have Missed at CDNLive 2016!

The Most Important Point You May Have Missed at CDNLive 2016!
by Daniel Nenni on 04-06-2016 at 4:00 am

This was the best keynote lineup I can remember at a user group meeting. All four speakers are visionaries but from very different perspectives. The video of the event will be up later this month but from my first count the word “System(s)” was mentioned 32 times and the underlying message will transform the semiconductor industry… Read More


Analog Design Verification — Traceability is Required

Analog Design Verification — Traceability is Required
by Tom Dillinger on 04-05-2016 at 9:45 am

Digital verification engineers have developed robust, thorough metrics for evaluating design coverage. Numerous tools are available to evaluate testbenches against RTL model descriptions — e.g., confirming that simulation regressions exhaustively exercise signal toggles, RTL statement lines, individual statement… Read More


The Latest in Static Timing Analysis with Variation Modeling

The Latest in Static Timing Analysis with Variation Modeling
by Tom Dillinger on 03-30-2016 at 12:00 pm

In many ways, static timing analysis (STA) is more of an art than a science. Methodologists are faced with addressing complex phenomena that impact circuit delay — e.g., signal crosstalk, dynamic I*R supply voltage drop, temperature inversion, device aging effects, and especially (correlated and uncorrelated) process… Read More