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Circuit diagram of a standard 555 Astable circuit. The design equations can be found here. Date: 20 June 2006: Source: ... Timer 555; Usage on pt.wikipedia.org CI 555;
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 ...
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.
English: Circuit diagram of a bipolar 555 timer IC. Date: 16 January 2012: Source: Own work: Author: Wdwd: Other versions: Block diagram CMOS circuit diagram:
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.
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
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English: Pinout diagram of the 555 timer IC. Inputs are green, outputs are blue and power pins are red. Date: 23 June 2009: ... Timer 555; Usage on pt.wikipedia.org