In the course of one day, for example, customers might use three Spice tokens and one analog/mixed-signal token, then exchange those later in the day for a FastSpice license, Estrada said. Cadence, thus, can offer customers FastSpice, Spice, analog/mixed-signal and RF simulation both as standalone simulators and under a multimode simulation license.Įach multimode “master license” costs $140,000, which gets customers six “tokens.” Spice counts as one token, RF counts as two tokens, analog/mixed-signal as three and FastSpice as six.

In a roundabout way, the Celestry technology lets the entire line of Cadence simulators work from the same device models. The Celestry acquisition, in January, gave Cadence an advanced device-modeling tool as well as FastSpice simulation.

“With this technology, we can capture the step you take with regard to the testing you're doing and the types of analysis on your IP, so you can repeat those processes and best practices to the rest of your team,” said Estrada. The Antrim acquisition, in November 2002, gave Cadence users the ability to create a customized, specification-driven environment for Virtuoso simulation, analysis and floor planning. All tools in the platform are linked via the OpenAccess database or Cadence's legacy CDBA.

The platform includes tools that Cadence gained in its acquisitions of Antrim Design Systems Inc. To that end, Cadence has integrated three improved design capabilities into the platform: simulation, analysis and floor planning. “The focus of the platform is delivering silicon that meets all of its specifications and doing so on schedule,” Estrada said. “We're expanding the Virtuoso name to cover the whole platform for full custom, including simulation, capture, integration and silicon analysis,” said Estrada.īefore introducing the Virtuoso platform, Cadence offered the Virtuoso Composer composition environment, Virtuoso Chip Editor layout editor and Virtuoso-XL Layout Editor design environment.

Cadence now offers a platform for digital, analog, mixed-signal and RF designs, strengthening a tool segment it already dominates, said Paul Estrada, vice president of the verification group.Ĭadence's market share exceeds 80 percent in this area, according to market research firm Gartner Dataquest Inc. has linked several acquired technologies with upgraded legacy tools to create an integrated custom IC design platform.

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