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The internal block diagram and schematic of the 555 timer are highlighted with the same color across all three drawings to clarify how the chip is implemented: [2] Voltage divider : Between the positive supply voltage V CC and the ground GND is a voltage divider consisting of three identical resistors (5 kΩ for bipolar timers, 100 kΩ or ...
Circuit diagram of a standard 555 Astable circuit. The design equations can be found here. Date: 20 June 2006: Source: Own drawing, made in Inkscape 0.43: Author: jjbeard: Permission (Reusing this file) PD
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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/Con chip IC 555; Công thức điện tử; Công thức điện tử/Linh kiện điện tử; Sách điện/Mạch điện tích hợp/IC 555
Date/Time Thumbnail Dimensions User Comment; current: 01:32, 23 June 2009: 275 × 250 (41 KB): Inductiveload {{Information |Description={{en|1=Diagram of a monostable circuit made using the en:555 timer IC.
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.
Circuit diagram of a 555 Astable circuit with variable mark-space ratio. The design equations can be found here. Date: 20 June 2006: Source: Own drawing, made in Inkscape 0.43: Author: jjbeard: Permission (Reusing this file) PD
In the mid-1960s, the original 7400-series integrated circuits were introduced by Texas Instruments with the prefix "SN" to create the name SN74xx. Due to the popularity of these parts, other manufacturers released pin-to-pin compatible logic devices and kept the 7400 sequence number as an aid to identification of compatible parts.