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Custom IC Design Blog

Virtuosity: 15 Things I Learned in March 2014 by Browsing Cadence Online Support

Highlights for this month include lots of useful Physical Verification System (PVS) appnotes and several blog articles on advanced analyses and flows in Analog Design Environment (ADE) GXL. Application Notes 1. Physical Verification Checks and Generic...  Read More »
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What's New(-ish) in ADE XL in IC 616 ISR 3?

Development Model for ADE and ViVA Virtuoso Analog Design Environment (ADE) and ViVA follow a development model that allows new content to be added in every third ISR. These content ISRs receive additional usability testing, product validation, and demonstrations...  Read More »
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Mismatch Contribution Analysis in Virtuoso Analog Design Environment GXL

When Monte Carlo analysis shows device mismatch variation has become problematic, Virtuoso Analog Design Environment (ADE) GXL Mismatch Contribution Analysis can provide useful diagnostics as a next step. Mismatch Contribution helps in identifying the...  Read More »
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Efficient Design Migration Using Virtuoso Analog Design Environment GXL

Requirements for decreased time to market, reduced silicon area, and minimized power consumption move more designs to advanced process nodes. However, redesign of circuitry is time-consuming, so it is common to migrate existing designs from previous projects...  Read More »
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Fast Yield Analysis and Statistical Corners

The Virtuoso Analog Design Environment XL Monte Carlo sampling methods are Random, Latin Hypercube, and Low Discrepancy Sequence. More accurately, Spectre provides the engine and ADE XL interfaces with the simulator to complete the Monte Carlo analysis...  Read More »
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Virtuosity: 14 Things I Learned in January and February 2014 by Browsing Cadence Online Support

Time just got away from me last month, so here's two months worth of new content for your browsing enjoyment... Videos 1. Integration Constraints Capability used in Mixed Signal Design Implementation Explains and demonstrates the integration constraints...  Read More »
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What's the Worst that Could Happen?: Worst-Case Corners in ADE GXL

In addition to combinations of temperature range and power supply voltages (usually more than one), the process design kit which landed on your desk yesterday presented a bewildering alphabet soup of device corner combinations which you need to consider...  Read More »
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What Your Circuit Doesn't Know, Can Kill It!

Device variation has been a long-standing problem in custom design. Over the years, our customers have made many attempts to model the behavior though parameterization, simulation model extensions, sub-circuits, and by just "guessing" as to...  Read More »
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Virtuosity: 15 Things I Learned in December 2013 by Browsing Cadence Online Support

With this month's title, I'll need to start adding the year, as this marks the one-year anniversary of the montly series. I know it's been a useful monthly exercise for me. Hopefully it has been helpful for everyone out there as well. Application...  Read More »
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Virtuosity: 12 Things I Learned in November by Browsing Cadence Online Support

New content on a wide variety of topics in November. Product Information 1. Cadence Online Support Release Highlights Find out about all the new improvements which have been made to the Product Pages on COS. 2. PVE Release Mechanism Change Letter Changes...  Read More »
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