Internal circuit of 555 timer | NE555 internal circuit explained

In this video, I've explained 555 Timer IC with the pin diagram and the internal circuit diagram. In this circuit, we have four basic blocks, these are
1. Voltage divider by resistor block
2. Comparator block
3. SR flip flop
4. Discharge and output circuit


I've also given the explanation each and every pin except pin number 7.

For the pin 7, we have to add external device like capacitor and resistor. In Astable mode of IC555 video, I explained that.

Pins of IC 555
Pin number 1: Ground
Pin number 2: Trigger
Pin number 3: Output
Pin number 4:. Reset
Pin number 5:. Voltage Control
Pin number 6: Threshold
Pin number 7:. Discharge
Pin number 8: Vcc (4.5 volt to 15 volt)
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Monostable Mode of 555 timer IC (Theoretical part), video link:
   • Monostable mode of 555 Timer IC | The...  

Monostable mode of 555 timer IC explained (Practical part), video link:
   • Monostable mode of 555 timer IC expla...  

Astable mode of 555 timer IC, video link:
   • Astable mode of IC 555 | Astable mode...  

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   • Digital Electronics Theory and Practical  
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