This blog explores how Virtuoso Studio Net Tracer can help you perform a design review.

We’ll use the net connectivity option, which allows the user to get a clean highlighted net. You can use the Net Tracer tool to highlight the nets. You can find the Net Tracer command under the connectivity pulldown menu in the layout window.

Trace manager and the ability to display different islands on the same net with other colors, you can identify and connect the unconnected islands as you wish.

The Net Tracer utility traces the nets in the physical view (layout). The trace is a highlighted net, which is a non-selectable object. The Net Tracer utility is available from Virtuoso Layout Suite XL onwards. You can use this utility based on your specific needs and preferences.

For a better understanding of the Net Tracer feature, let’s see one scenario between the circuit designer and layout engineer for a layout design review.

Circuit designer: Can we go through the routed input nets “inm” and “inp”?

Layout engineer: From the below layout view where they are highlighted using the XL connectivity, today I will use Net Tracer utility for the design review.

Circuit designer: I have never heard of this feature. Let's see how it works.

Layout engineer: Sure, now we turn on the Net Tracer toolbar using the below option.

You see the Net Tracer options form here:

As you can see on my screen, I have opened the layout view and engaged the Net Tracer utility.

Net Tracer allows shapes to be traced on a net in two tracing modes, namely, physical and logical, where shapes on the same net are physically or logically connected.

Physical tracing gathers all the shapes physically connected on the same net.

Logical tracing gathers all the shapes assigned to the same net. It highlights the net as in the source design (schematic). It will highlight shapes on the same net, even if they are isolated shapes that are not physically connected.

For this scenario, let us use physical tracing for input nets “inm” and “inp."

Highlighted nets are shown below:

Net “inm”                    Net “inp”                   Nets “inm” and “inp” 

Net Tracer has features like physical and logical tracing, preview, step-by-step mode, ease of tracing a net on a shape out of multiple underlying shapes, and so on.

Let us explore logical tracing for output nets “outm” and “outp”:

Here, you can see how to enable true color and halo before enabling logical tracing to identify the metal route. After enabling the true color halo, enable the logical trace.

Here, I am opening the trace manager to search “outm” and “outp” and click trace. That will trace the particular nets as shown.

Net Tracer has a preview feature, which is helpful in terms of the number of previewed objects. This preview capability hints at how the trace would appear when you create it. This useful feature in Virtuoso Studio highlights both completed and incomplete nets, helping the user better understand the status of the highlighted nets.

Circuit designer: Thanks for the design review. You have done good work. Net Tracer clearly shows both types of tracing, and it was even easy for the circuit designer to understand.

Layout engineer: Let me share the link to the Net Tracer RAK, where other layout engineers can explore many more amazing features of the Net Tracer.

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About Knowledge Booster Training Bytes

Knowledge Booster Training Bytes is an online journal that relays information about Cadence Training videos, online courses, and upcoming webinars that are available in the Learning section of the Cadence Learning and Support portal. This blog category brings you direct links to these videos, courses, and other related material on a regular basis.

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On behalf of the Cadence Training team

Virtuoso Studio IC23.1 ISR9 production release is now available for download.(read more)

Virtuoso Studio IC23.1 ISR10 production release is now available for download.(read more)

I want to use PSpice model (download from TI) in Virtuoso , but it can not work. Please help me to check the error message, Thanks

ADE-> Setup-> simulation files->Pspice  Files  /TPS628502-Q1_TRANS.LIB

Parse error before token ']' in expression '[[STEADY_STATE]*0.6]'. If '[[STEADY_STATE]*0.6]'  is a spice expression, quotes are required for the expression.

ERROR(SFE-46): An instance of 'TPS628502-Q1_TRANS'  can have at most 8 terminals (but has 9).

*****************************************************************************
.SUBCKT TPS628502-Q1_TRANS COMP_FSET EN FB GND PG SW SYNC_MODE VIN
+ PARAMS: STEADY_STATE=0
V_U9_V45 U9_N16725824 0 5
E_U9_ABM22 U9_N16725392 0 VALUE { V(FREQ)*1e-12 }
X_U9_U161 U9_N16849713 U9_N16846056 one_shot PARAMS: T=20

Hi

I have a rather strange question - is there a way to tell layout XL to NOT place the error/warning markers on a design when I open a cell?  I do a lot of my layout by using arrays from placed instances and create mosaics that completely ignore the metadata that Layout XL uses with its bindings with schematic (and instances get deleted etc. but I do like using it to generate all my pins etc.) and it's just really annoying when I open a design that I know is LVS clean and since the connectivity metadata is all screwed up (because I did not use it to actually complete the layout) I have a design that's just blinking at me at every gate, source and drain.  I typically delete them at the high level heirarchically but the second I go in and modify something and come back up it places all of them again.  I know that if I flatten all the p cells it goes away but sometimes it's nice to have that piece of metadata but that's about it.  Is there a way to "break" the features of XL like this?  I realize what a weird question this is but it's becoming more of an issue since we moved to IC 23 from IC 6 where there is no longer a layout L that I can use free from these annoyances that can't use any of the connectivity metadata.

Thanks

Chris

Read through this blog to know more about the new Reliability Report view in Virtuoso ADE Assembler and Virtuoso ADE Explorer.(read more)

I have been involved in the Virtuoso RF Solution for the last four years. Most of the customers I work with have a SiP package already in progress. They often ask "How do I get my SiP design into Virtuoso RF Solution?" I am excited about new functionality in the latest ICADVM20.1 ISR25 release. It is a new GUI under the Tools menu called Enablement. (read more)

The ICADVM20.1 ISR26 and IC6.1.8 ISR26 production releases are now available for download.(read more)

Read this blog for an overview to the Circuit physical verification and parasitic extraction design stage in the Custom IC Design methodology and the key design steps which can help you achieve this.(read more)

This blog describes how to efficiently use Virtuoso Visualization and Analysis XL.(read more)

In my last blog, Getting Your Existing SiP File Into Virtuoso RF, I talked about the new enhancements in ICADVM20.1 ISR25 for Virtuoso RF Solution. At the end of the blog, I told you about the Fully Assisted Roundtrip flow, which includes importing SiP files that are compatible with the Virtuoso RF Solution assisted import flow into the Virtuoso platform. Let's examine how the Fully Assisted Roundtrip flow works in this blog.(read more)

The ICADVM20.1 ISR27 and IC6.1.8 ISR27 production releases are now available for download.(read more)

Concurrent Layout Editing enables more than one designer to work in a hierarchy at the same time. Check out this blog to know more. (read more)

This blog introduces the new Voltus-XFi Custom Power Integrity Solution, a transistor-level EM-IR tool that enables designers to complete comprehensive analysis and debugging easily and quickly.(read more)

This blog helps in demonstrating the use of Pin to trunk routing style which helps in enhancing the layout experience.(read more)

The world of electronics design thrives on efficient tools that bridge the gap between concept and silicon. Virtuoso Digital Implementation is a powerful ally for mixed-signal designs, which integrate both analog and digital components. This blog post will examine Virtuoso Digital Implementation's capabilities and explore how it can streamline your mixed-signal design workflow.

Virtuoso Digital Implementation in a Nutshell

Virtuoso Digital Implementation is a license package within the Cadence Virtuoso Design Platform. It offers a streamlined RTL-to-GDSII flow to implement smaller digital blocks within a mixed-signal design environment. Here's what makes Virtuoso Digital Implementation stand out:

• Focus on Small Digital Blocks: Optimized for digital blocks with an instance count of up to 50,000 (expandable to 150,000 with specific configurations), Virtuoso Digital Implementation is ideal for integrating digital logic into your analog-centric design.
• Leveraging Industry Leaders: Virtuoso Digital Implementation utilizes cut-down versions of the renowned Cadence Genus Synthesis Solution and Innovus Implementation System under the hood. This ensures you get access to proven technologies for logic optimization and place-and-route.
• Seamless Integration with the Virtuoso Environment: Virtuoso Digital Implementation's key advantage is its tight integration with the Virtuoso Layout Suite. You can launch the synthesis and place-and-route tools directly from the Virtuoso environment, eliminating the need to switch between platforms.

Benefits of Using Virtuoso Digital Implementation

 By incorporating Virtuoso Digital Implementation into your mixed-signal design flow, you can get several benefits:

• Simplified Workflow: Virtuoso Digital Implementation offers a centralized environment for both digital block implementation and layout editing within the Virtuoso environment. This reduces context switching and streamlines the design process.
• Faster Time-to-Market: Virtuoso Digital Implementation's streamlined workflow can significantly reduce design turnaround times, allowing you to get your product to market quicker.
• Improved Design Quality: Leveraging industry-leading synthesis and place-and-route engines from Cadence ensures high-quality digital block implementation within your mixed-signal design.

Who Should Consider Virtuoso Digital Implementation?

 Virtuoso Digital Implementation is a valuable tool for anyone working on mixed-signal designs with smaller digital blocks. It's particularly well-suited for:

• Analog IC designers who need to integrate digital logic into their designs.
• Circuit design teams working on mixed-signal applications like data converters, power management ICs, and RF transceivers.

Virtuoso Digital Implementation provides a compelling solution for designers working on mixed-signal projects. Its streamlined workflow, tight integration with the Virtuoso design platform, and access to proven digital design tools can significantly improve design efficiency and time-to-market. Virtuoso Digital Implementation is worth considering if you're looking to optimize your mixed-signal design flow.

I am here to help and guide you on how to learn more about Virtuoso Digital Implementation flow.

Welcome to Virtuoso Digital Implementation, an online course recently released. This course teaches implementing digital blocks using Cadence tools based on the Virtuoso Digital Implementation flow. Also, you can download a lab database after the lecture and get hands-on experience in each stage.

Want to Enroll in this Course?

We organize this Virtuoso Digital Implementation training for you as a "Blended" or "Live" training. Please reach out to Cadence Training for further information.

Register for the Online Training with the following steps:

• Log on to cadence.com with your registered Cadence ID and password.
• Select Learning from the menu > Online Courses.
• Search for Virtuoso Digital Implementation using the search bar.
• Select the course and click Enroll.

And don't forget to obtain your Digital Badge after completing the training!

Related Resources

Online Courses

• Cadence RTL-to-GDSII Flow v6.0
• Virtuoso Digital Implementation Training

Training Byte Videos

• How Do You Run Placement Optimization in the Innovus Implementation System?
• How to Run the Synthesis Without DFT?
• How to Run the Synthesis Flow with DFT?
• Creating Power Rings, Power Stripes, and Power Rails in the Innovus Implementation System
• How to Run Power Analysis and Analyze the Results in Innovus?

Happy Learning!

This blog informs about the new badge certification available for Cadence Certus Closure Solution, that grants credit to your proficiency.(read more)

Steve Armitage, general manager of destination at Auckland Tourism, Events and Economic Development explains why the New Zealand city’s international profile is growing so fast.

Asia outstrips the world for tourist arrivals and is still experiencing growth. Constant maintenance and upgrade are essential to maintain this lead.

Mohammad Nafees Zakaria, Pakistan’s UK high commissioner, talks about his country’s potential for foreign investors.

Uruguay-based Zonamerica has successfully expanded into Colombia and China, and is now looking to export its model to other parts of Asia and Africa.

FDI into Brazil has increased by 66.48% in a little under two years. Jonathan Wildsmith reports.

Australia’s proud mining history, the quality of its workers and high working standards were instrumental in bringing Canadian mining and exploration company Kirkland Lake Gold to the Victorian gold fields.

There are strong prospects for Australian sheepmeat exporters, thanks to rising demand and reduced tariffs under Australia’s trade agreement with India.

Expansion in processing of nickel, coal and bauxite in Indonesia will increase demand for Australian METS.

Argentina’s copper and lithium projects are rich in opportunities for Australian mining equipment, technology and services providers.

Get lost in Minecraft Java.

Austrade invites you to join the 2023 Australian Mission to the ADB Business Opportunities Fair (BOF) in Manila, Philippines from 3 to 5 October 2023. The ADB BOF is a one-stop forum for consultants and contractors from around the world looking to provide goods, works, and services for ADB projects in the Indo-Pacific region. This is a great opportunity to maximise your chances of participating in major international aid projects. • gain first-hand information and insights about opportunities funded by the Asian Development Bank. • hear about key priorities, as well as upcoming business opportunities • network with industry peers and ADB specialists relevant to your sector and countries of interest • establish your credentials with the Asian Development Bank.

Flavourtech sets up in the Netherlands’ leading food research centre to connect with clients and undertake R&D.

From today Australian and Indonesian businesses and workers will have even greater opportunities to boost their skills and expertise, with the signing of an expanded Memorandum of Understanding on the Indonesia-Australia Skills Development Exchange Pilot.

A new AI-powered, imaging-based technology that creates accurate three-dimensional models of tumors, veins and other soft tissue offers a promising new method to help surgeons operate on, and better treat, breast cancers. The technology, from Illinois-based startup SimBioSys, converts routine black-and-white MRI images into spatially accurate, volumetric images of a patient’s breasts. It then illuminates Read Article

Lifelike digital humans engage with audiences in real time. Autonomous systems streamline complex logistics. And AI-driven language tools break down communication barriers on the fly. This isn’t sci-fi. This is Tokyo’s startup scene. Supercharged by AI — and world-class academic and industrial might — the region has become a global innovation hub. And the NVIDIA Read Article

Experts Weigh In on Pacific Islands Regional Rift at EWC Virtual Workshop Experts Weigh In on Pacific Islands Regional Rift at EWC Virtual Workshop

The global financial crisis may have eliminated job opportunities around the world, but it has opened the door for a cultural boom on new shores.

The upcoming summit between U.S. and African leaders is likely to make progress on a number of investment, development and security issues.

If revised and renewed, the AGOA would encourage growth and development in sub-Saharan Africa while also benefitting U.S. economic interests.

Throughout 2022, the ruling Taliban in Afghanistan introduced and enforced some of the worst gender-based discriminatory policies seen anywhere in the world.

The materials were recovered by IDF soldiers during operations in the Gaza Strip.

Princess Kate has found a trusted mentor in the Duchess of Edinburgh, Sophie, 59, as she adjusts to her new role as Princess of Wales. Royal biographer Claudia Joseph revealed that Kate "jumped at the chance" to be mentored by Sophie, describing her as a "tower of strength" and a reliable...

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