This paper describes the unique features of a set of IBM 7090 programs which provide design assistance to engineers who use Solid logic Technology. These programs were applied in the design of the IBM System/360.

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Within the context of the changing design requirements of digital systems spanning the semiconductor era, this paper describes the significant steps in the development of Design Automation technology in IBM. We cover the design tools which support the design of the electronic portion of such systems. The paper emphasizes the systems approaches taken and the topics of design verification, test generation, and physical design. Descriptions of the technical contributions and interactions which have led to the unique characteristics of IBM's Design Automation systems are included.

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