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Features and Applications of Switches

Authored on: Jun 28, 2010 by Ali Zeeshan and Michael Lyons

Technical Paper

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Switching is the most fundamental function in electronics and plays a vital role in every system. Analog and digital bus switches are used in many industrial instruments and consumer devices to implement test interfaces, multiple peripheral and host selection functions, power and clock management, sample and hold circuits, test and debug interfaces. This document describes the configurations, features and benefits of NXP's analog and digital switches. Featured products and applications are also discussed.

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ahshabazz Posted Jul 20, 2010

Sorry; I'll stick to analog switches. I still like the idea of OFF meaning OFF.

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kendallcp Posted Jul 20, 2010

When you're under pressure to deliver something really tiny, solid-state is often the only way, and you need to design around their characteristics. But I know what you mean - it's easier to be confident in a macroscopic switch with visible bits of metal that can be separated. The great early sci-fi writer E. E. 'doc' Smith described the circuit breakers inside a starship in some detail in one of his books. Basically it involved a thick silver cable that was cleaved in two by a highly insulating axe. He was writing before the invention of the transistor, and space travel still involved vacuum tubes and leather...

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