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Features of Short-Reach Interface IP Design

Features of Short-Reach Interface IP Design
by Tom Dillinger on 03-08-2021 at 6:00 am

eye diagram

The emergence of advanced packaging technologies has led to the introduction of new types of data communication interfaces.  There are a number of topologies that are defined by the IEEE 802.3 standard, as well as the Optical Internetworking Common Electrical I/O CEI standard. [1,2]  (Many of the configurations of interest … Read More


TECHTALK: Hierarchical PI Analysis of Large Designs with Voltus Solution

TECHTALK: Hierarchical PI Analysis of Large Designs with Voltus Solution
by Bernard Murphy on 03-03-2021 at 6:00 am

voltus min

Power integrity analysis in large chip designs is especially challenging thanks to the huge dynamic range the analysis must span. At one end, EM estimation and IR drop through interconnect and advanced transistor structures require circuit-level insight—very fine-grained insight but across a huge design. At the other, activity… Read More


Finding Large Coverage Holes. Innovation in Verification

Finding Large Coverage Holes. Innovation in Verification
by Bernard Murphy on 02-24-2021 at 6:00 am

Innovation image 2021 min

Is it possible to find and prioritize holes in coverage through AI-based analytics on coverage data? Paul Cunningham (GM, Verification at Cadence), Jim Hogan and I continue our series on research ideas. As always, feedback welcome.

The Innovation

This month’s pick is Using Machine Learning Clustering To Find Large Coverage Read More


2020 Retrospective. Innovation in Verification

2020 Retrospective. Innovation in Verification
by Bernard Murphy on 01-20-2021 at 6:00 am

innovation min

Paul Cunningham (GM, Verification at Cadence), Jim Hogan and I launched our series on Innovation in Verification at the beginning of last year. We wanted to explore basic innovations and new directions researchers are taking for hardware and system verification. Even we were surprised to find how rich a seam we had tapped. We plan… Read More


ML plus formal for analog. Innovation in Verification

ML plus formal for analog. Innovation in Verification
by Bernard Murphy on 11-30-2020 at 6:00 am

innovation min

Can machine learning be combined with formal to find rare failures in analog designs? ML plus formal for analog – neat! Paul Cunningham (GM, Verification at Cadence), Jim Hogan and I continue our series on research ideas. Here an idea from analog simulation sampling. Feel free to comment.

The Innovation

This month’s pick… Read More


Cadence is Making Floorplanning Easier by Changing the Rules

Cadence is Making Floorplanning Easier by Changing the Rules
by Mike Gianfagna on 11-25-2020 at 8:00 am

Mixed placement floorplan

SoC designs are getting more complex, resulting in a higher level of difficulty to get anything done. This trend is well-known. What I want to focus on here is how to deal with the issue of complexity. There are many approaches to taming this problem — faster algorithms for one, and improved algorithm efficiency or the ability to run… Read More


Verification IP for Systems? It’s Not What You Think.

Verification IP for Systems? It’s Not What You Think.
by Bernard Murphy on 11-05-2020 at 6:00 am

System VIP2 min

When I think of verification IP (VIP), I think of something closely tied to a protocol standard – AMBA, MIPI or DDR for example. Something that will generate traffic and run protocol compliance checks, to verify correct operation of an IP or as a model to use in SoC verification. What would a VIP for systems be? Systems support multiple… Read More


How ML Enables Cadence Digital Tools to Deliver Better PPA

How ML Enables Cadence Digital Tools to Deliver Better PPA
by Mike Gianfagna on 10-28-2020 at 10:00 am

How ML Enables Cadence Digital Tools to Deliver Better PPA

There has been a lot written about artificial intelligence/machine learning (AI/ML) and its application in the Cadence digital design flow. Most recently, I covered significant verification efficiency improvements in Xcellium ML.  A recent digital-themed white paper from Cadence takes a broader look at the impact of ML on… Read More


Clarity 3D Transient Solver Speeds Up EMI/EMC Certification

Clarity 3D Transient Solver Speeds Up EMI/EMC Certification
by Tom Simon on 10-25-2020 at 8:00 am

Clarity 3D Transient Solver

Cadence made waves a while back with its innovative Clarity 3D Solver, a FEM solver for near field EM analysis. Now they are shaking things up with their new far field Clarity 3D Transient Solver. System level EMI and EMC analysis has often exceeded the limits of simulation tools, leading to expensive and time-consuming prototype… Read More


The Most Interesting CEO in Semiconductors!

The Most Interesting CEO in Semiconductors!
by Daniel Nenni on 10-21-2020 at 6:00 am

GTC 2020 Lip Bu Tan

Hands down, without a doubt, the most interesting CEO in semiconductors is Lip-Bu Tan, founder of Walden Capitol and current CEO of Cadence Design Systems. If you want to talk about a man with a plan it’s Lip-Bu Tan.

Before we get into the fireside chat between Tom Caufield and Lip-Bu at the GTC 2020 Virtual event let’s do a quick biography:… Read More