Cadence® system design and verification solutions, integrated under our System Development Suite, provide the simulation, acceleration, emulation, and management capabilities.
Verification Suite Related Products A-Z
Cadence® digital design and signoff solutions provide a fast path to design closure and better predictability, helping you meet your power, performance, and area (PPA) targets.
Full-Flow Digital Solution Related Products A-Z
Cadence® custom, analog, and RF design solutions can help you save time by automating many routine tasks, from block-level and mixed-signal simulation to routing and library characterization.
Overview Related Products A-Z
Driving efficiency and accuracy in advanced packaging, system planning, and multi-fabric interoperability, Cadence® package implementation products deliver the automation and accuracy.
Cadence® PCB design solutions enable shorter, more predictable design cycles with greater integration of component design and system-level simulation for a constraint-driven flow.
An open IP platform for you to customize your app-driven SoC design.
Comprehensive solutions and methodologies.
Helping you meet your broader business goals.
A global customer support infrastructure with around-the-clock help.
24/7 Support - Cadence Online Support
Locate the latest software updates, service request, technical documentation, solutions and more in your personalized environment.
Cadence offers various software services for download. This page describes our offerings, including the Allegro FREE Physical Viewer.
The Cadence Academic Network helps build strong relationships between academia and industry, and promotes the proliferation of leading-edge technologies and methodologies at universities renowned for their engineering and design excellence.
Participate in CDNLive
A huge knowledge exchange platform for academia to network with industry. We are looking for academic speakers to talk about their research to the industry attendees at the Academic Track at CDNLive EMEA and Silicon Valley.
Come & Meet Us @ Events
A huge knowledge exchange platform for academia. We are looking for academic speakers to talk about their research to industry attendees.
Americas University Software Program
Join the 250+ qualified Americas member universities who have already incorporated Cadence EDA software into their classrooms and academic research projects.
EMEA University Software Program
In EMEA, Cadence works with EUROPRACTICE to ensure cost-effective availability of our extensive electronic design automation (EDA) tools for non-commercial activities.
Apply Now For Jobs
If you are a recent college graduate or a student looking for internship. Visit our exclusive job search page for interns and recent college graduate jobs.
Cadence is a Great Place to do great work
Learn more about our internship program and visit our careers page to do meaningful work and make a great impact.
Get the most out of your investment in Cadence technologies through a wide range of training offerings.
Overview All Courses Asia Pacific EMEANorth America
Instructor-led training [ILT] are live classes that are offered in our state-of-the-art classrooms at our worldwide training centers, at your site, or as a Virtual classroom.
Online Training is delivered over the web to let you proceed at your own pace, anytime and anywhere.
Exchange ideas, news, technical information, and best practices.
The community is open to everyone, and to provide the most value, we require participants to follow our Community Guidelines that facilitate a quality exchange of ideas and information.
It's not all about the technlogy. Here we exchange ideas on the Cadence Academic Network and other subjects of general interest.
Cadence is a leading provider of system design tools, software, IP, and services.
I'm a longtime user of Virtuoso for CAD layout but never had to do any Skill programming before. Recenly I've started working on designs that need rotation (from 10 to 170 degrees, in steps of 10 degree), and each rotation would need to be saved to a separate gds file. These are the steps I wish to perform
* select all (all shapes in the layout)
* rotate by x degree, with the center being (0,0)
* output to stream file <streamname>-x.gds
I'm wondering if Skill programming would make it easier to do this? If so, would anyone give me pointers on which functions to call?
A couple of questions:
How big are the devices?
What release are you on?
Here is the quandry, Virtuoso only supports rotations of 90 degrees so you could place an instance of your top chip in another cell with those rotations. If you have to rotate 10 degrees, you have to flatten the database and transform the shapes. In IC6.1 you have dbTransformCellView which will rotate or magnify the shapes in a cell. The issue is that if you database is hierarchical, it needs to be completely flattened and if it is large, there is a lot of data to be rotated. There is also the issue of roundoff when rotating the data,you will need a greater number of DBU per UU (database units per user unit) to compensate for the rotation.
A solution you may want explore with your mask maker is to have them do the rotation for you. Most electronic mask making machines can manipulate the data.
If this is for a MEMS device, you may have small enough data to do the transform but if it is a big device, I would explore the latter solution.
In reply to Austin CAD Guy:
Hi Austin CAD guy,
Thanks for the pointers. I'm on IC6.1, and luckliy my device is small and already flattened. We run the CAD through electron beam lithography - so no masks needed. But the software we use for lithography only allows for 90 degree rotations. So I'm forced to rotate in the CAD software itself.
I will try out the dbTransformCellView. Thanks!