Sequence Targets 90nm SoC Designs with Columbus-NTX Extraction Tool

5/24/2004 - Building on recent successes in full-custom parasitic extraction, Sequence Design unveiled Columbus-NTX, a new product package that addresses the extraction needs of both standard-cell and full-custom designs. A single license of Columbus-NTX gives designers access to fast, high-capacity standard-cell extraction with Columbus-Turbo and accurate, flexible full-custom extraction with Columbus-AMS.

Columbus-NTX is the only parasitic extractor that addresses all major on-chip extraction needs:

Columbus-NTX builds on the Nanometer Technology eXtraction (NTX(TM)) engine, proven through the use of the company's ExtractionStage(TM) products on some of the most challenging custom digital and analog designs in the marketplace. The NTX engine provides the accuracy necessary for all three applications (listed above), allowing designers to minimize guard-bands and wring full performance from nanometer processes.

NTX accurately models interconnect in digital nanometer SoCs, including copper process variation and inductance extraction. It accounts for OPC and CMP artifacts, as well as for the metal filling/slotting common in these processes. The engine also models interconnect-to-device parasitics and contact capacitance around contacted FETs and other devices to achieve the highest possible precision.

Six of the company's 18 patents have been granted for extraction-related inventions. The NTX engine includes this proprietary technology.

The NTX engine uses the same design-independent process library to achieve the necessary accuracy for all applications. A single library per process reduces support costs and provides both the high accuracy required for full-custom design, and the fast RLC calculation required for standard-cell design.

The NTX library builder uses field solvers to compute the RLC "primitives" stored in this library such as individual components of capacitance between pairs of surfaces of wires. During extraction, the NTX engine converts layout data to an electrical model of the actual interconnect. Using topological decomposition algorithms that rely on the pre-computed primitives, NTX accounts for how each target net interacts with its surroundings to determine accurate RLC.

"NTX addresses both nanometer digital and high-performance analog, as recent adoptions at Renesas, NEC, and Toshiba show," said Dr. Rob Mathews, director of extraction product marketing for Sequence. "With each of these leading-edge customers, NTX demonstrated accuracy superior to any other geometric extractor without sacrificing speed."

The entire lineup of ExtractionStage products will be presented at the DAC Conference on June 7-10, 2004 in the San Diego Convention Center, booth #2107.

The NTX engine is included in all current releases of ExtractionStage Columbus products. The products support Sun Solaris and Linux platforms.

Columbus-NTX is available as an upgrade for current Columbus-AMS users. Additional information on all on the entire Sequence family of ExtractionStage products may be found at:

About Sequence
Sequence Design, Inc. enables system-on-chip designers to bring higher-performance and lower-power integrated circuits quickly to fabrication. Sequence's power and signal integrity software give its more than 125 customers the competitive advantage they need to excel in aggressive technology markets, despite demanding complexity and time-to-market issues of nanometer design.

Sequence has worldwide development and field service operations. The company was recently named by Reed Electronics as one of the top 10 companies to watch in the electronics industry. Sequence is privately held. Sequence is a member of Cadence Design Systems' Connections(TM) and Mentor Graphics' Open Door(TM) partnership programs. Additional information is available at

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