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Optimizing SRAM IP for Yield and Reliability

Optimizing SRAM IP for Yield and Reliability
by Daniel Payne on 08-31-2015 at 12:00 pm

My IC design career started out with DRAM at Intel, and included SRAM embedded in GPUs, so I recall some common questions that face memory IP designers even today, like:

  • Does reading a bit flip the stored data?
  • Can I write both 0 and 1 into every cell?
  • Will read access times be met?
  • While lowering the supply voltage does the cell data retain?
Read More

When it comes to High-Sigma verification, go for insight, accuracy and performance

When it comes to High-Sigma verification, go for insight, accuracy and performance
by Michael Pronath on 07-04-2015 at 7:00 am

There are three critical goals that designers of custom digital designs and memories look to achieve with high sigma verification:

(1) obtaining accurate results,
(2) achieving results with good run-time (efficiency), and
(3) gaining proper insight into how their circuit is behaving along with an understanding of failure … Read More


Unlock the Key to Ultra-Low Power Design

Unlock the Key to Ultra-Low Power Design
by Tom Simon on 06-20-2015 at 7:00 am

We have been hearing about low power for a long time. Fortunately, low power chip operation has come about through a large number of innovations. Key among these is clock gating, frequency and voltage scaling, managing leakage with lower threshold voltage, HKMG, and many other techniques. But we are entering the age of ultra low… Read More


WLAN Design Optimization at Lantiq

WLAN Design Optimization at Lantiq
by Daniel Payne on 01-02-2015 at 7:00 am

Right now I’m typing on my MacBook Pro computer connected to the Internet through WiFi, thanks to the electronics in both my laptop and WiFi router. I kind of take WiFi for granted because it is so ubiquitous throughout my daily life, yet there are IC designers at companies like Lantiq Semiconductorthat have to design and optimize… Read More


Transistor-Level IC Design is Alive and Thriving

Transistor-Level IC Design is Alive and Thriving
by Daniel Payne on 11-26-2014 at 7:00 am

There’s much talk in EDA about High Level Synthesis (HLS), Transaction Level Modeling (TLM) and the Universal Verification Methodology (UVM), however there’s a lower-level of abstraction, the transistor-level, where high-speed digital cell libraries are created, analog circuits are crafted, and AMS designers… Read More


Debugging a 10 bit SAR ADC

Debugging a 10 bit SAR ADC
by Daniel Payne on 10-31-2014 at 4:00 pm

SMIC (Semiconductor Manufacturing International Corporation) is a China-based foundry with technology ranging from 0.35 micron to 28 nm, and we’ve blogged about them before on SemiWiki. I’ve been reading about SMIC recently because they created a technical presentation for the MunEDA Technical Forum Shanghai… Read More


Transistor-level Sizing Optimization

Transistor-level Sizing Optimization
by Daniel Payne on 08-29-2014 at 4:00 pm

RTL designers know that their code gets transformed into gates and cells by using a logic synthesis tool, however these gates and cells are further comprised of transistors and sometimes you really need to optimize the transistor sizing to reach power, performance and area goals. I’ve done transistor-level IC design before,… Read More


IO Design Optimization Flow for Reliability in 28nm

IO Design Optimization Flow for Reliability in 28nm
by Daniel Payne on 07-31-2014 at 5:00 pm

User group meetings are a rich source of information for IC designers because they have actual designers talking about how they used EDA tools in their methodology to achieve a goal. Engineers at STMicroelectronicspresented at a MunEDAUser Group on the topic: I/O Design Optimization Flow For Reliability In Advanced CMOS Nodes.… Read More


Five Things You Don’t Know About MunEDA

Five Things You Don’t Know About MunEDA
by Paul McLellan on 06-17-2014 at 3:00 pm

So first the one thing that you do know. MunEDA are based in Munich which makes them German. I have to confess that until I got involved helping them a bit with some marketing stuff that that was about all I knew about them too.

So now five things that you might not know:

1. MunEDA have a much wider customer list that you know and would even… Read More


High Sigma Yield Analysis and Optimization at DAC

High Sigma Yield Analysis and Optimization at DAC
by Daniel Payne on 06-02-2014 at 7:20 pm

When I hear the phrase “high sigma” I think of the EDA vendor Solido, however at DAC on Monday I visited another EDA company called MunEDAthat has several products of interest to transistor-level IC designers. I was able to speak with three different people from MunEDA and here’s what I learned.… Read More