News Stories

Power Bits: May 15

Spinach-powered solar cell; electricity from viruses.

Power Bits: May 8

Nanowires get fancy; liquid solar cells.

Power Bits: May 1

Emitting light to better absorb it; recovering wasted energy with nanotechnology.

Top Stories

New Power Standards Ahead

But big gaps remain in flow; standardized power modeling still missing, along with a systematic way to communicate between hardware and software teams.

Traversing The Abstraction Landscape

Tools and techniques mitigate the pain of moving between levels of abstraction; balancing between them for accuracy and abstraction.

RF Front-End Integration Driven By Low Power

Tunable RF-Front-end MEMS devices built on standard CMOS meet demand for 4G-LTE power efficiency and shrinking handset form factors.

Cost vs. Value

With low-power requirements complicating mixed-signal design, engineering teams are following the money in an attempt to streamline the architectural process.

Power Becomes Bigger Issue In Stacked Die

Modeling power isn’t fixed, and while it may be related to heat the two need to be considered separately—and together.

Old Problem, New Solutions

Electromigration and electrostatic discharge are not new phenomenon but complexity and tiny wires demand a fresh look and new tools.

Getting Ready For Stacked Die

EDA vendors are now taking 2.5D and 3D approaches very seriously; lots of pieces are in place but others are still missing.

2.5D Leverages Existing Tools On The Way To 3D

Packaging teams have been dealing with some of the same issues in 2.5D stacking that were in MCMs, but 3D stacked die present some entirely new problems.

Reliability Concerns Grow

New process nodes and packaging options are raising unexpected issues for chips; longevity is a looming issue.

Power, Applications Drive New Thinking On System Planning

Application-driven power-aware flows begin taking root, but they require a sharp change in the starting point and execution of designs.

Technology Features

Round Tables

Experts At The Table: IP

First of three parts: Context with power, performance and area tradeoffs; who’s responsible when something doesn’t work; characterizing IP; fear of getting things wrong.

Experts At The Table: IP

Second of three parts: Changing dynamics of working with customers; risk vs. modification; context; blocks vs. subsystems; consolidation and the role of small IP developers; defining IP quality.

Experts At The Table: IP

Last of three parts: Managing risk with a disaggregated supply chain; why and where the IP stack is growing; the changing economics of stacked die; thermal, power and economic context.

Experts At The Table: Low-Power Verification

First of three parts: Functional vs. physical verification; power boosts design complexity; explosion in power domains; creating a good test plan; how to know when it’s done; the impact of IP.

Experts At The Table: Low-Power Verification

Second of three parts: The impact of IP on power verification; finding the right abstraction level for the right portion of verification; more checks to do; technological limitations on speed.

Experts At The Table: Low-Power Verification

Last of three parts: What standards are needed; writing testbenches for power; making software more energy-efficient; breaking down silos between design and verification; restructuring design teams and creating new methodologies.

Experts At The Table: Making Software More Energy-Efficient

First of three parts: Understanding the differences between software and hardware; what the software engineer sees and can do about it; when to tackle the problem; what’s missing.

Experts At The Table: Making Software More Energy-Efficient

Second of three parts: Providing enough information to software teams; modeling realistic scenarios; optimizing subsystems; changing attitudes among software developers; real optimization from further down in the stack.

Experts At The Table: Making Software More Energy-Efficient

Last of three parts: What drains the battery; how software can impact system-level energy consumption; where to find the low-hanging fruit.

Experts At The Table: Managing Power At Higher Levels Of Abstraction

First of three parts: Redefining the system for power; power estimation vs. real measurements and optimization; accuracy vs. relative accuracy; the impact of increasing complexity on estimates.

Podcasts/Videos/Webcasts

ESL Power Models

A look at what’s missing from the ESL tool chain and why it’s important.

The Moore’s Law Effect

Why there will be more processor cores on future SoCs, more integration headaches, and more convergence with areas no one even considered in the past.

Issues In IP

Context has emerged as one of the most important challenges in IP—everything from power to noise to advanced physics.

Low-Power Verification

Power is an additional challenge at advanced process nodes and in stacked die. What can be done about it?

Making Software Better

What do software engineering teams need to deliver more efficient software? It isn’t always about more time.

Comparing Smart Phones

Battery life is now a competitive weapon in the mobile device market, but what really makes one phone last longer on a charge than another?

Using High-Level Synthesis To Manage Power

The benefits of looking at power much, much earlier in the design flow.

Embedded Migration

Intel’s Max Domeika talks about migration techniques for the embedded Atom processor.

One-On-One: Aart de Geus

A look at the future of EDA, IP, power, stacked die and the relentless pressure of Moore’s Law.

Power Budgets: Where Is The Low-Hanging Fruit?

What can be done to cut the power for a reasonable cost, and how do you get there?