Mentor Paper: Using HyperLynx DDR Wizard for QDR-IV

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The quad data rate IV (QDR-IV) memory interface protocol is used for reduced-latency applications. It features two independent bi-directional data channels, each running at double data rate (DDR).

Mentor Graphics’ newest white paper walks PCB designers through several ways to capitalize on the benefits of the DDRx Wizard batch simulation to validate the QDR-IV bus. This PDF is available for download by clicking here.

12/26/2019 | Andy Shaughnessy, Design007

As we move into 2020, we took a look back at the most popular Design007 news stories of the past year. Here for your enjoyment are the Top 10 most-read Design007 news items of 2019.

12/12/2019 | Pete Starkey, I-Connect007

Nobody left early! Altium had wisely kept Happy Holden’s keynote presentation on “PCB Trends that Will Impact Your Future” until the end of the final day of the AltiumLive 2019 European PCB Design Summit in Frankfurt, Germany. Pete Starkey presents the highlights of Happy's presentation.

10/31/2019 | Linda Mazzitelli, PTC

Because standards adoption in this industry tends to be akin to turning around a battleship, what is often seen as new has generally already been in production for 10 years or more. Often, there are outside influences and dependencies that cause this, so most of us tend to take a “wait-and-see” approach—let others shake out the issues. And even then, we only look at adoption if the mandate comes from higher-ups in the organization. It works the way we do it now, so why change?