In 1982, SEL was acquired by Gould Inc., and the Sunnyvale facility was shut down. This new CAD testing technology would become the basis of ECAD's software products. When SEL began developing a 32-bit computer, the company's CAD team devised an extremely fast algorithm for testing the new design. Until founding ECAD, Antle had headed the microelectronics products division of Systems Engineering Laboratories (SEL) in Sunnyvale, California.

Antle had worked on ICs and semiconductors since 1959 at Texas Instruments, ITT, Teledyne, and Data General. Antle, who held the posts of chairperson and chief executive officer until the SDA merger. The company's largest clients were Digital Equipment, NCR, Data General, National Semiconductor, and Advanced Micro Devices.ĮCAD was founded in August 1982 by Glen M. The company's specialty was design-verification software, in which it was a technology leader. ECAD, based in Santa Clara, California, developed and sold CAD/CAE software to accelerate the design of ICs, including both the schematic design and the testing phases. was incorporated in June 1988 as the new company resulting from the merger of CAD software companies, ECAD Inc. As chip manufacturers tried to fit increasingly many tiny transistors on each chip, the complex layout of the chip's design and its verification came to depend on design automation software.Ĭadence Design Systems Inc. Cadence's clients include IBM, Apple Computer, Motorola, Sharp Electronics, and Hitachi.Ĭomputer-aided design of ICs was a rapidly growing field when Cadence started operations. Cadence Design's clients are companies that manufacture computer chips and circuits used in computer components, telecommunications equipment, television sets, video game systems, pagers, watches, fax machines, bar code scanning systems, and pacemakers, among other devices. EDA software is a form of computer-aided design and engineering (CAD/CAE) software specifically geared towards automating the design of electronic systems and integrated circuits (ICs). is the world's leading developer of electronic design automation (EDA) software, maintaining a 18 percent market share in 1993.

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