Editors' Blog

An Alliance of Alliance Members

The other day Mixel announced a MIPI Alliance ecosystem partnership. So… is that a branch of the MIPI Alliance? A new MIPI Alliance? I was a bit confused. (Not an infrequent state of mind for me, but never mind…)

This gets to some of the subtleties of industry partnerships. If you’re not careful, you can run afoul of anti-trust collusion laws. These laws were put in place because, in the olden days, big companies would get together and divide up territories and agree on pricing and basically guarantee that they would all get … Read More → "An Alliance of Alliance Members"

A Simple Brown Paper Bag

by Kevin Morris

Yesterday I went to Mentor’s U2U user event. Something was missing – and it was a good thing.

We editors probably go to more events than your average engineer, but even an engineer that goes to a couple per year must end up with a basement full of black ballistic nylon bags of various shapes and sizes with logos that ensure that his or her kids will never want to be seen in public with them. We may like the technology behind the logos, but they’re not considered “cool brands.& … Read More → "A Simple Brown Paper Bag"

In a Different Field

by Kevin Morris

Part of the Cadence Allegro release features a new field solver they’ve included for power delivery network (PDN) analysis, the product of collaboration with the University of Illinois, Urbana-Champaign. It’s actually integrated with the PCB editor so that analysis and re-editing can be done without having to swap tools.

We covered field solver technology some time ago, but the target applications we focused on there were for on-chip parasitic extraction or package/chip interactions. … Read More → "In a Different Field"

New PCB Design Mix ‘n’ Match

by Kevin Morris

Yesterday Cadence announced a major update to their Allegro PCB design suite. This is the full-featured set of tools targeted at enterprise (= deep pockets) customers. They found that their offering had outgrown the “good/better/best” grading that had been in place for a long time.

What they’ve done instead is to put in place a baseline tool, Allegro PCB Designer, into which various optional modules can be inserted. These modules provide various higher-value functions, and the licenses can be purchased in quantities different from those purchased for the base product. For example, if you do … Read More → "New PCB Design Mix ‘n’ Match"

Going Up

by Jim Turley

It’s always helpful when complex new technological ideas can be related to everyday concepts. So when I heard about “test elevators,” proposed by imec, for 3D IC DFT, naturally my interest was piqued. It’s an intriguing image, conjuring up thoughts of complex ways of managing tests on multiple dice.

Alas, as it turns out, there’s really no new technology associated with this: it’s simply the idea of allocating some TSVs for testing. Which … Read More → "Going Up"

FLASH Gets Even Smaller

by Jim Turley

It feels, at first blush, like the conventional wisdom about floating gate cells not having a future at tiny dimensions may have to go the way lots of conventional wisdom goes. On the heels of Kilopass’s 40-nm MTP announcement, Micron and Intel announced NAND FLASH at as low as 20 nm.

So much for not scalable below 90 nm.

The issue here is too much tunneling when the oxides get too thin. It wasn’t supposed to work with oxides … Read More → "FLASH Gets Even Smaller"

Some days are cloud-free

by Amelia Dalton

The timing couldn’t have been more perfect. This week we’ve been talking about the promise of the cloud for EDA, and indeed, there is much promise.

And yet, today we get a reminder of the flip-side: some of Amazon’s services went down for a while. Customers may not experience these as Amazon outages, but rather as Foursquare or Reddit – or … Read More → "Some days are cloud-free"

Making the Line Move Faster

by Kevin Morris

No one likes standing in line, but if you’re going to be doing any serious parallel processing, you’ll run into many queues as a way for threads or processes to send messages to each other. Usually they’re implemented in software, which adds a level of overhead to the programs, in particular when putting things on or taking them off the queue.

For instance, when putting a new item into the queue, you have to check to see if there is room in the queue, and you have to upgrade the head … Read More → "Making the Line Move Faster"

Par for the Course

by Bryon Moyer

In the forum thread about Altium’s move to China, I was asked to comment on the “negative” aspects of the EDA space in general, and how that relates to Altium’s situation. We certainly don’t want to come off as “Pollyanna Engineering Journal,” so here goes.

First, as to why we write so frequently about Altium – it is because they make a lot of aggressive strategy moves. Aggressive moves – whether they’re good or … Read More → "Par for the Course"

Analog Roosters Taking Digital Drinks

by Amelia Dalton

It’s tough not being a domain specialist at times. You get hit by scary-sounding jargon that you mostly hope you can evade without having to parse and understand it. And none sounds more imposing than the thing that came up in the wind sensor article, the delta-sigma modulator

That sounds like one of … Read More → "Analog Roosters Taking Digital Drinks"