Ami Semiconductor Inc

SiSoft, IBM Give Paper on Advanced IBIS-AMI Modeling

Will present a paper with IBM at the IBIS Summit meeting today at DesignCon. The paper is entitled “IBM IBIS-AMI 15G Chip to Chip Cu032 model using Dependency Tables” and discusses extensions to the IBIS-AMI specification that reduce the size and complexity of IBIS-AMI models to simplify the system designer’s task of running design simulations. In one of the examples presented, dependency tables reduce the number of different models needed from 192 down to one without sacrificing accuracy. Dependency tables also permit models to be created that support more than the three operating corners defined in the IBIS specification.  “IBIS-AMI models have become the standard way for semiconductor vendors to provide simulation models of their SerDes cores,” noted Dr. Walter Katz, SiSoft’s Chief Scientist. “As we were working with semiconductor vendors developing 15G and 28G models, we came across cases where device behavior depended on a number of variables, which were themselves inter-related. The conventional approach would have been to create an independent model for each possible case. When we realized that some models would have more than 100 cases, we worked with IBM to refine dependency tables. These tables make the model more compact and simplify the user’s task of configuring the model for simulation. With a dependency table, different device parameters are presented to the user as drop-down menus. The user selects each parameter corresponding to how the silicon will be programmed and the dependency table supplies the detailed information the simulator needs to configure the model automatically.” SiSoft has been working with IBM since 2008 to validate IBIS-AMI models and create QCD Design Kits with ready-to-run simulation setups.

No. 2011–1199. - IN RE: RICOH COMPANY - US Federal Circuit

IN RE: RICOH COMPANY

IN RE: RICOH COMPANY, LTD. PATENT LITIGATION. Synopsys, Inc., Plaintiff–Appellee, v. Ricoh Company, Ltd., Defendant–Appellant.

Ricoh Company, Ltd., Plaintiff–Appellant, v. Aeroflex Incorporated, Ami Semiconductor, Inc., Matrox Electronic Systems, Ltd., Matrox Graphics, Inc., Matrox International, Inc., Matrox Tech, Inc., and Aeroflex Colorado Springs, Inc., Defendants–Appellees.

No. 2011–1199.

-- November 23, 2011 Before LOURIE, BRYSON, and DYK, Circuit Judges.

Richard G. Frenkel, Latham & Watkins, LLP, of Menlo Park, CA, argued for plaintiff-appellee and defendants-appellees. With him on the brief were Ron E. Shulman and Terrence J.P. Kearney.Kenneth W. Brothers, Dickstein Shapiro, LLP, of Washington, DC, argued for defendant-appellant and plaintiff-appellant. With him on the brief were Gary M. Hoffman, Amanda S. Pitcher, and Cathy Chen.

Ricoh Company, Ltd. (“Ricoh”) appeals the decision of the United States District Court for the Northern District of California awarding $938,957.72 in costs under 28 U.S.C. § 1920 to Aeroflex, Inc., et al., and Synopsys, Inc. (collectively, “Synopsys”). In re Ricoh Co., Ltd. Patent Litig., No. 03–CV–2289, slip op. at 16 (N.D.Cal. Sept. 29, 2010) (“Taxation Order ”). We affirm in part, reverse in part, vacate in part, and remand.

Background

A dispute arose between Ricoh, the owner of U.S. Patent No. 4,922,432 (“the ′432 patent”) (directed to systems and processes for the design of application-specific integrated circuits) and Synopsys, which was alleged to sell software for an infringing process. In January 2003, Ricoh filed a patent infringement action in the District of Delaware against seven of Synopsys's customers, all of whom designed and manufactured computer chips using Synopsys's software, asserting that the manufacturing process infringed the ′ 432 patent. In May 2003, Synopsys responded by filing a declaratory judgment action against Ricoh in the Northern District of California, seeking a declaratory judgment of noninfringement, invalidity, and unenforceability of the patent. The two actions were eventually consolidated in the Northern District of California. After nearly seven years of litigation, the district court granted Synopsys's motion for summary judgment of noninfringement on April 15, 2010. We affirmed without opinion. In re Ricoh Co., Ltd. Patent Litig., 412 F. App'x 297, 298 (Fed.Cir.2011).

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