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Latest Blog Posts

  • System, PCB, & Package Design : What's Good About PCB Allegro Rules Developer and Checker? 16.6 Has It!

    Jerry GenPart
    Jerry GenPart

    You can now leverage the 16.6-2015 release Allegro Rules Developer and Checker.

    The Allegro Rules Developer and Checker allows you to develop custom fabrication and assembly rules to extend capabilities provided by Allegro PCB Designer and the Manufacturing Option. This tool provides a relational geometric verification language designed specifically for creating rules that are proprietary and custom to an original equipment…

    • 2 Dec 2015
  • Breakfast Bytes: Why Do Layout Designers Say "Stream Out"?

    Paul McLellan
    Paul McLellan

    Breakfast BytesFor the same reason we "hang up" our phones.

    When a layout designer saves a design, they often say "stream out" whereas in most software, such as Word or Powerpoint, this is usually simply called saving the file. As an aside, it is...

    • 2 Dec 2015
  • Whiteboard Wednesdays: Whiteboard Wednesdays—DUT Verification with Cadence VIP

    References4U
    References4U

    In this week's Whiteboard Wednesday's video, Arindam Guha explains how to quickly start DUT integration with Cadence's Verification IP (VIP).

    https://youtu.be/rVvq8m9lCNU

    • 1 Dec 2015
  • SoC and IP: Will USB Type-C Connector Replace the 3.5mm Audio Jack?

    Jacek Duda
    Jacek Duda

    USB Type-CIn the past few days, there have been many posts on the Internet around Apple planning to remove the 3.5mm audio jack support from the upcoming iPhone 7 to create the slimmest iPhone in history. Given their multiple attempts in the past, it’s perfectly understandable, and for sure the existing Lightning connector is capable of providing this functionality.

    From users’ perspective, however, it obviously raises a…

    • 1 Dec 2015
  • Breakfast Bytes: Virtuoso: Advance to 10nm, If You Pass Go Collect $200

    Paul McLellan
    Paul McLellan

     There are two major discontinuities in the last couple of process nodes—FinFETs and multiple patterning—which have changed a lot of the rules for custom design (which doesn't just mean analog, but also standard-cell design and other digital IP). The digital...

    • 1 Dec 2015
  • System, PCB, & Package Design : Take Tighter Control Over Your Shape Degassing Patterns with Cadence 16.6 Allegro Package Designer and SiP Layout

    ICPackagingPro
    ICPackagingPro
    With metal density and balancing requirements getting stricter with every year that passes, how you perforate the plane shapes of your designs needs to adapt. Whether it is a new hole shape that allows for a more consistent pattern fill across the l...
    • 30 Nov 2015
  • Breakfast Bytes: TSMC 3D. Red and Green Glasses Not Required

    Paul McLellan
    Paul McLellan

     I have been taking a look at TSMC's 3D packaging technologies. From numerous presentations at OIP and the Technology Symposiums, I knew that they had two. CoWoS and InFO and I knew...well, that's about it, to be honest.

    CoWoS (and CoWoS-XL, with...

    • 30 Nov 2015
  • Breakfast Bytes: Can You Pass As a Brit? Just Answer 3 Simple Questions

    Paul McLellan
    Paul McLellan

     It’s Thankgiving! Happy Thanksgiving if you are reading this on the day. Cadence is closed, of course. I’m working on blogs for next week (yeah, right). But I thought I’d put out a fun blog. This has nothing to do with EDA or the semiconductor ecosystem...

    • 26 Nov 2015
  • Breakfast Bytes: Voltus-Fi: Faithful Custom and Analog EMIR and Power Analysis

    Paul McLellan
    Paul McLellan

     First things first. Voltus and Voltus-Fi are two separate products. They are both used for EMIR analysis, Voltus for digital design and Voltus-Fi for analog design (or custom transistor-level digital), or, in conjunction with with Voltus for mixed-signal...

    • 25 Nov 2015
  • SoC and IP: 50 Gbps Ethernet is on the Way

    ArthurM
    ArthurM

    Here is my report from the most recent IEEE 802.3 standards meeting, which was held in Dallas during the week of November 9.

    The big news is that work on 50G Ethernet is now about to start. The 25G 802.3by project will soon be ending and plans are afoot for the team working on 802.3by to start thinking about 50G Ethernet.

    The 802.3bs 400G project has adopted technology for 50G per lane operation. So it follows…

    • 24 Nov 2015
  • Verification: Cheating Tetris

    rmathur
    rmathur
    Remember Tetris? We’ve all played it at some point in our lives. You know, the game with falling blocks of different sizes and shapes where you have to place the incoming blocks in an optimal way to make full use of the available open spaces. ...
    • 24 Nov 2015
  • Breakfast Bytes: The Design that Made ARM

    Paul McLellan
    Paul McLellan

    breakfast bytes logoI sat down with Simon Segars, the CEO of ARM last Friday. As I said yesterday, it is ARM's 25th birthday this week, on Friday if you want the precise date. Although today, of course, we think of even the largest ARM processors as something to embed in...

    • 24 Nov 2015
  • Breakfast Bytes: Happy 25th Birthday, ARM

    Paul McLellan
    Paul McLellan

     breakfast bytes logoThis week is ARM's 25th anniversary. It is actually on Friday, the 27th, but since that is the Friday after Thanksgiving I figured publishing this blog on the precise day was probably less important than picking a day that people might actually see it...

    • 23 Nov 2015
  • Verification: A Coverage Time-Saving Tip

    John Brennan
    John Brennan

    How often has this happened to you?  You are re-using a part of a previous design in your new design, you are in the depths of coverage closure, both functional and design code coverage. You discover that many parts of the re-used design are actually not applicable in the new design, and you manually exclude those RTL lines of code. But wait – there is another design change, and your RTL now has been shifted around, the…

    • 20 Nov 2015
  • Breakfast Bytes: Marie Pistilli Passed Away

    Paul McLellan
    Paul McLellan

     Marie Pistilli, who was injured in a car-crash in October (as I included in my first blog on my first day at Cadence). The crash left her largely paralyzed. She passed away on November 14th. Although she had retired, she was one of the driving forces...

    • 20 Nov 2015
  • Breakfast Bytes: The CDMA Story and Qualcomm

    Paul McLellan
    Paul McLellan

     When second generation cell-phone technology, GSM, was developed the biggest issue was keeping the computational load manageable for the semiconductor technology of the time. That was the most important resource to optimize. Now, in the LTE era, the efficiency...

    • 20 Nov 2015
  • Breakfast Bytes: Technology Transfer: The Stanford/Berkeley Model

    Paul McLellan
    Paul McLellan

    bbAt SEMICON West this year, I attended an interesting presentation by Steven Forrest of the University of Michigan on Moving Innovation from the Lab to the Marketplace. He said that one of the biggest problems is that universities all have offices of technology...

    • 19 Nov 2015
  • System, PCB, & Package Design : What's Good About Allegro PCB Designer Manufacturing Option? It's NEW in the 16.6 Release!

    Jerry GenPart
    Jerry GenPart

    Wow! There is an extremely powerful option available for PCB designers in the 16.6 - 2015 Allegro PCB Editor release—the Allegro PCB Designer Manufacturing Option. This option is integrated into the Allegro PCB Editor.

    As you’ll read in our “What’s New” section, “The Allegro PCB Designer Manufacturing Option is a comprehensive, powerful, easy-to-use suite of tools that makes it efficient for PCB…

    • 18 Nov 2015
  • Breakfast Bytes: How to Do Body Bias with GLOBALFOUNDRIES 22FDX and Innovus Implementation System

    Paul McLellan
    Paul McLellan

     Last week Cadence put out a press release that the Cadence implementation flow had been qualified on the GLOBALFOUNDRIES 22FDX process. At ARM TechCon last week, Joerg Winkler and Tamer Ragheb from the design enablement group of GLOBALFOUNDRIES in Dresden...

    • 18 Nov 2015
  • Whiteboard Wednesdays: Whiteboard Wednesdays—Basic Principles of Deep Learning

    References4U
    References4U

    In this week's Whiteboard Wednesdays video, Chris Rowen discusses the basic principles of deep learning and how it enables the building of electronic systems that analyze massive amounts of data, recognize patterns, and extract relevant information from speech, images, and social network traffic.

    https://youtu.be/9KLkndHw5Y8

    • 17 Nov 2015
  • Breakfast Bytes: The Paradox of Open Source

    Paul McLellan
    Paul McLellan

     Open source software is software where the source code is fairly freely available. I say "fairly" since there are almost always restrictions on its use to ensure that it continues to be open source and often that improvements made must contributed back...

    • 17 Nov 2015
  • Breakfast Bytes: Palladium Z1, an Enterprise Server Farm in a Rack

    Paul McLellan
    Paul McLellan

     If you put together your dream emulation system, it would have:

    • Infinite throughput
    • Scalability from small blocks to the largest SoC your company will work on
    • Very low total cost of ownership (small physical size, consumes little power, cost amortizable...
    • 16 Nov 2015
  • Breakfast Bytes: I Danced with a Nun in a Disco…and the micro:bit

    Paul McLellan
    Paul McLellan

     How's that for a click-bait title? But it's true. Back in 1969, the British government created the Open University, or OU. This was a university intended to democratize university education by offering degrees mainly to people who already had a job and...

    • 13 Nov 2015
  • Breakfast Bytes: Ethernet: Coming Soon to a Car Near You

    Paul McLellan
    Paul McLellan

    metcalfe and boggsbreakfast bytes logoEthernet was invented at the legendary Xerox PARC (Palo Alto Research Center) by Robert Metcalfe and David Boggs, based on earlier ideas from ALOHAnet developed at the University of Hawaii (memo to my boss: I think I need to make an onsite visit to check...

    • 12 Nov 2015
  • Breakfast Bytes: ARM's Mike Muller Announces a New Core, a New Instruction Set, and Security Layer

    Paul McLellan
    Paul McLellan

     Mike Muller, ARM's CTO, delivered a little history and a lot of security. Oh, and he announced a new ARM processor and a new instruction set.

    First, the history. In a couple of weeks' time is the 25th anniversary of the creation of ARM. I was there...

    • 12 Nov 2015
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