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History of Switching Theory

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Switching Theory for Logic Synthesis

Abstract

Switching theory has developed as shown in Table A.1. When C.E. Shannon started his works, the main logic elements were electrochemical, i.e., switches and relays. Afterwards, vacuum tubes, diodes, and transistors were used to make logic elements. In these days, the logic elements were very expensive. Office products, consumer products, toys, etc., began to use a large amount of logic elements, after the appearance of LSIs and microprocessors. These logic elements made influence on switching theory. Besides these elements, the logic elements that made major influence on switching theory include parametrons (realizing majority functions), TTL ICs (realizing NAND gates), PLAs (realizing AND-OR two-level logic networks), and FPGAs (field programmable gate arrays).

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© 1999 Springer Science+Business Media New York

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Sasao, T. (1999). History of Switching Theory. In: Switching Theory for Logic Synthesis. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-5139-3_15

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  • DOI: https://doi.org/10.1007/978-1-4615-5139-3_15

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4613-7339-1

  • Online ISBN: 978-1-4615-5139-3

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