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  • Sigrity
    Cadence Sigrity at DesignCon 2019
    By Sigrity | 17 Jan 2019
    Happy new year! We want to invite you to visit us in booth 711 on the DesignCon Expo floor. Learn about how we can address your design challenges with Cadence® Sigrity signal integrity and power integrity tools, multi-gigabit SerDes...
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    TAGS:
    SI | PI | electronics/photonic design automation | DesignCon | Multi-Gigabit | Advanced IC packaging | power integrity | IC package design | IBIS-AMI | DesignCon 2019 | signal integrity | SerDes | DDR | Sigrity
  • Sigrity
    Chiplets -- Reinventing Systems Design
    By Sigrity | 29 Nov 2018
    A new paradigm shift is now happening in the electronics industry with systems design. The conventional thinking of designing an electronic system with a single monolithic SoC is changing to using a multi-die approach with chiplets and advance...
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    TAGS:
    SI | PI | chiplets | multi-die approach | chiplet-based systems | power integrity | IC package design | systems design | signal integrity | interposer extraction | Sigrity | heterogenous integration | advanced packaging technology
  • Sigrity
    New Sigrity 3D Workbench Used in Designing and Optimizing Next Generation High-Speed Connectors
    By Sigrity | 8 Sep 2018
    2018 is going to be remembered as the year of 3D for Sigrity. As part of Cadence’s Sigrity 2018 release , we introduced the new Sigrity 3D Workbench technology included as part of the Sigrity PowerSI® 3D EM Extraction Option...
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    TAGS:
    Sigrity 2018 release | 3D Workbench | Mechanical Structures | CDNLive | High Speed Structure Optimization | PowerSI 3D EM Extraction Option | 3DEM | 3D | Sigrity | High Speed design
  • Sigrity
    EE Thermal 101 – Thermal basics for Electrical Engineers (Part 4 of 4)
    By Sigrity | 24 Aug 2018
    In part 3 of this series, we used the concept of thermal resistors to develop a thermal equivalent network of a system and determined its equivalent junction to ambient thermal resistance. With this approach, we were able to link thermal resis...
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    TAGS:
    EE Thermal | temperature | Thermal Basics | Heat transfer | PowerDC
  • Sigrity
    EE Thermal 101 – Thermal Basics for Electrical Engineers (Part 3 of 4)
    By Sigrity | 9 Aug 2018
    In part 2 of this blog series we looked at the three different modes of heat transfer and related them to equivalent thermal resistances. In this blog, we’ll use the concept of thermal resistors to develop a thermal equivalent network of...
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    TAGS:
    EE Thermal | temperature | Thermal Basics | Heat transfer | PowerDC
  • Sigrity
    EE Thermal 101 – Thermal Basics for Electrical Engineers (Part 2 of 4)
    By Sigrity | 25 Jul 2018
    In part 1 of this blog series we discussed the duality between the electrical and thermal conduction domains. In this blog, we’ll take a look at the three different modes of heat flow or heat transfer and relate these to thermal resistan...
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    TAGS:
    EE Thermal | temperature | Thermal Basics | Heat transfer | PowerDC
  • Sigrity
    Cadence Sigrity OptimizePI Technology Highlighted at CDNLive SV 2018
    By Sigrity | 13 Jul 2018
    This year’s CDNLive Silicon Valley user conference had more than 100 presentations from 12 different technical tracks. More than 20 exhibitors participated in the Designer Expo. The customer paper on system-level PDN analysis methodology f...
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    TAGS:
    PI | PCB PI | power integrity | Sigrity OptimizePI | OptimizePI | Sigrity
  • Sigrity
    EE Thermal 101 – Thermal Basics for Electrical Engineers (Part 1 of 4)
    By Sigrity | 12 Jul 2018
    Have you ever had a product exceed temperature specifications and wondered what you, as an electrical engineer, can do to solve or mitigate thermal issues in your product? As an electrical engineer in today’s world of electronics, we are...
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    TAGS:
    EE Thermal | temperature | Thermal Basics | Heat transfer | PowerDC
  • Sigrity
    What Is COM /JCOM Channel Compliance All About?
    By Sigrity | 13 Jun 2018
    In today’s world of double-digit gigabit-per-second data rates it is imperative that engineers properly design and characterize their system to meet standards compliance. This sounds simple enough but actually simulating a high-speed ser...
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    TAGS:
    SI | JCOM | Channel Operating Margin (COM) | COM/JCOM | JCOM channel compliance | COM | Channel Operating Margin | signal integrity | SystemSI
  • Sigrity
    Designing a PCB in Harmony with Your 3D Extraction Expert
    By Sigrity | 4 Jun 2018
    You know who we are talking about. The guy in the corner with all the PhDs hanging in his/her office. Everyone goes to Mr/Ms. 3D-Expert to get their 3D structures analyzed. He/She knows all the bells and whistles and can make a tool...
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    TAGS:
    SI | 3D EM | High Speed Structure Optimization | 3D EM HSSO | 3D EM High Speed Structure Optimizer | signal integrity | 3D | HSSO | Sigrity | System Serial Link | Allegro
  • Sigrity
    Power-Aware SI DDR4 Simulation: You Have a Choice!
    By Sigrity | 10 May 2018
    Simultaneous switching noise (SSN) caused by simultaneous switching outputs (SSO) has been a hot topic for decades in signal integrity (SI) circles (see figure to the right). Some claim only a SPICE simulation using transistor-level models can...
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    TAGS:
    Speed2000 | DDR4 | FDTD | power-aware | SystemSI | SSN
  • Sigrity
    SI Methodology for Multi-Gigabit Serial Link Interfaces (8 of 8)
    By Sigrity | 24 Apr 2018
    Automated Compliance Checking With detailed post-layout interconnect in place, and the IBIS-AMI models properly executing, attention can turn to compliance checking for the specific interface of interest, which is PCI Express Gen 4 in our example. Ea...
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    TAGS:
    Serial link analysis | SI | IBIS-AMI | PCIe | signal integrity | Compliance Checking | SerDes | Sigrity
  • Sigrity
    Some Don't Like It Hot: Thermal Model Exchange
    By Sigrity | 28 Mar 2018
    Engineers today are faced with complex as well rapid design changes that require multiple design tools to work in conjunction with others. Both the MCAD and ECAD eco-systems have addressed this with their own neutral file format such as SAT, IGES, I...
    0 Comments
    TAGS:
    CFD | neutral file format | electrical-thermal co-simulation | Sigrity | thermal | PowerDC
  • Sigrity
    Thermal Analysis of Package/PCB Systems: Challenges and Solutions
    By Sigrity | 9 Mar 2018
    More and more package/PCB system designs are requiring thermal analysis. Power dissipation is a critical issue in package/PCB systems design which requires careful consideration of the thermal and electrical domains. To better understand therma...
    0 Comments
    TAGS:
    PCB | PI | power integrity | Voltus | electrical-thermal co-simulation | thermal | PowerDC
  • Sigrity
    SI Methodology for Multi-Gigabit Serial Link Interfaces (7 of 8)
    By Sigrity | 22 Feb 2018
    Backchannel Training Another capability related to equalization adaptation is backchannel training. Many high speed serial link protocols enable the SerDes receiver to evaluate the signal quality of training patterns sent by the transmitter, decide i...
    0 Comments
    TAGS:
    Serial link analysis | IBIS-AMI | PCIe | signal integrity | Backchannel | Sigrity
  • Sigrity
    SI Methodology for Multi-Gigabit Serial Link Interfaces (6 of 8)
    By Sigrity | 8 Feb 2018
    Simulating with IBIS-AMI Models By this point in the process, the SerDes component suppliers should have provided any missing IBIS-AMI models, which should be updated in your simulation testbench if they exist and are available. Now the focus shifts ...
    0 Comments
    TAGS:
    Serial link analysis | SI | Multi-Gigabit | IBIS-AMI | PCIe | signal integrity | SerDes | Sigrity
  • Sigrity
    Designing Data Bus with DDR5 Technology Today? Yes, It Is Possible!
    By Sigrity | 18 Jan 2018
    Many system designers have been working with DDR4 RAM components in the past couple years and using them in system designs. With product demands of increasing performance and decreasing power budget, expectations for faster memory devices neve...
    0 Comments
    TAGS:
    ddr5 | AMI | Memory interface | IBIS | IBIS-AMI | DDR | Sigrity
  • Sigrity
    Improve High-Speed Serial Link Design with IBIS-AMI Backchannel Simulation
    By Sigrity | 18 Jan 2018
    As signal integrity engineers, we know adaptive equalization is used in today’s multi-gigabit serial links to combat the effects of inter-symbol interference (ISI) due to a bandlimited channel. But how are we currently simulating this, especial...
    0 Comments
    TAGS:
    Serial link analysis | Backchannel Simulation | IBIS-AMI | SerDes | Sigrity | SystemSI
  • Sigrity
    SI Methodology for Multi-Gigabit Serial Link Interfaces (5 of 8)
    By Sigrity | 11 Jan 2018
    Efficient Interconnect Extraction Once physical layout is complete, (or at least the serial link differential pairs of interest are routed), post-layout verification can take place. One decision to make is to decide what bandwidth to use for the extr...
    0 Comments
    TAGS:
    Serial link analysis | SI | Multi-Gigabit | Interconnect Extraction | IBIS-AMI | signal integrity | SerDes | Sigrity
  • Sigrity
    SI Methodology for Multi-Gigabit Serial Link Interfaces (4 of 8)
    By Sigrity | 4 Jan 2018
    Enabling Constraint-Driven Design With the pre-layout testbench built, populated with relevant models, and producing realistic simulation results, it is time to get constraints in place to drive and control the physical layout of the serial link. Thi...
    0 Comments
    TAGS:
    Serial link analysis | SI | Constraint Driven Design | Multi-Gigabit | PCIe | signal integrity | Sigrity
  • Sigrity
    SI Methodology for Multi-Gigabit Serial Link Interfaces (3 of 8)
    By Sigrity | 3 Jan 2018
    IBIS-AMI Modeling With initial PCB trace and via models in place for our hypothetical PCI Express Gen 4 serial link, the remaining missing piece is for an IBIS-AMI model of the transmitter, with “AMI” standing for Algorithmic Model Interf...
    0 Comments
    TAGS:
    Serial link analysis | SI | Multi-Gigabit | IBIS-AMI | PCIe | signal integrity | SerDes | Sigrity
  • Sigrity
    A Peek into the Future of Signal Integrity with Artificial Neural Networks
    By Sigrity | 21 Nov 2017
    Imagine how great life could be if computers or robots can do all our tedious work and we get to enjoy life and work on the things that are meaningful to us, i.e. the first figure on our left. These aspirations are definitely the goals of many ...
    0 Comments
    TAGS:
    PCB | EPEPS | DDR4 | deep learning | adaptive equalizers | ANN | Artificial Neural Networks | neurons | activation function | training | coefficients | machine learning | signal integrity | DDR | Sigrity | backchannel propagation | SystemSI
  • Sigrity
    How to Be Sure Your PCB Design Is Protected from ESD Events
    By Sigrity | 8 Nov 2017
    One way to determine if your design can withstand an electro-static discharge (ESD) event is to test it in the lab with an ESD gun. It might work. But it might not. If it does not, it is going to be a time consuming and expensive process to find a way...
    0 Comments
    TAGS:
    Time domain | Speed2000 | FDTD | Sigrity | ESD
  • Sigrity
    SI Methodology for Multi-Gigabit Serial Link Interfaces (2 of 8)
    By Sigrity | 26 Oct 2017
    Let’s assume that we are working on a PCI Express Gen 4 serial link, running at 16Gbps. Let’s also assume that we were able to obtain models for the AC coupling caps, packages, and connectors from your suppliers, as well as an IBIS-AMI model for your...
    0 Comments
    TAGS:
    Serial link analysis | signal integrity | Sigrity
  • Sigrity
    Signal Integrity Methodology for Multi-Gigabit Serial Link Interfaces (1 of 8)
    By Sigrity | 25 Oct 2017
    As data rates for serial link interfaces such as PCI Express ® (PCIe ® ) Gen 4 move into the double-digit gigabit transfer rates, device modeling, interconnect modeling, and analysis methodologies must continue to evolve to address the shrinking...
    0 Comments
    TAGS:
    Serial link analysis | SI | Multi-Gigabit | IBIS-AMI | PCIe | signal integrity | SerDes | Sigrity
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