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NE555 Monostable Circuit: 1.1msec Timing Explained
Circuit diagram
Notes
In this popular circuit, the 555 timing integrated circuit is configured as a monostable multivibrator. The duration of the generated pulses is precisely controlled and corresponds to the product of 1.1 times R1 multiplied by C1.
555 Timing IC
The 555 timing IC is a versatile integrated circuit commonly used for generating time delays. This particular implementation utilizes the 555's monostable mode, where a single pulse is generated after a trigger signal is applied. The IC’s internal circuitry incorporates a capacitor (C1) and a resistor (R1) network, which, when combined, provides precise timing control. It is a three-terminal integrated circuit that is widely used for applications such as timers, oscillators, and pulse generators. The output is suitable for interfacing with both CMOS and TTL logic families, provided that the supply voltages align with the specified logic family’s requirements. The output is buffered, shielding it from loading effects and ensuring stable operation.
The schematic diagram above illustrates the output waveform duration, the trigger signal input, and the output signal at the discharge pin of the IC.
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