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English: The NE555 contains 24 bipolar transistors, two diodes and 15 resistors that form six functional blocks: Between the supply voltage VCC (+) and the ground GND (-) is a voltage divider consisting of three identical resistors which, when connected not from the outside, the two reference voltages ¹ / 3 VCC and ² / 3 VCC supplies.
सदस्य:Akratwik/आई सी 555; Usage on hu.wikipedia.org 555-ös időzítő IC; Usage on ja.wikipedia.org 555 タイマー; Usage on lt.wikipedia.org NE 555; Usage on nl.wikipedia.org NE555; Usage on pl.wikipedia.org Timer 555; Usage on pt.wikipedia.org CI 555; Usage on vi.wikibooks.org Sách điện tử/Linh kiện điện tử ...
The 9-pin version had already been released by another company founded by an engineer who had attended the first review and had retired from Signetics; that firm withdrew its version soon after the 555 was released. The 555 timer was manufactured by 12 companies in 1972, and it became a best-selling product. [6]
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
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English: Plot of two voltages from File:555_Astable_Diagram.svg, in which a 555 timer is set up to produce a square wave output (an astable circuit). Date 27 September 2007 original, vectorised 2019-12-11.
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