Interdesign, Inc.

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Interdesign, Inc. was founded in 1971 by Hans R. Camenzind, designer of the 555 timer IC. It operated in Scotts Valley, California and was one of the first semiconductor companies to focus exclusively on the design and manufacture of semi-custom ICs, sold under the trade name Monochip. In 1978 he sold it to the UK company Ferranti and in 1988 it was absorbed in a merger with GEC Plessey.[1][2]


  1. ^ Companies I-L, Computer History Museum
  2. ^ Designing Analog Chips

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