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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: ... Timer 555; Usage on pt.wikipedia.org CI 555;
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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:
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
English: Diagram of a monostable circuit made using the 555 timer IC. A low pulse on the trigger line starts the monostable. Date: 23 June 2009: ... 555 timer IC ...
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
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.