The maximum frequency of operation for the NE556N is typically around 500 kHz, but it can vary depending on the specific application and the values of the external components.
No, an external resistor is required to set the timing period in monostable mode. The internal resistance of the NE556N is not sufficient to provide a stable timing period.
To ensure stable oscillation in astable mode, make sure that the timing resistors (R1 and R2) and capacitors (C1 and C2) are of high quality and have low tolerances. Also, ensure that the power supply is well-regulated and decoupled.
Yes, the NE556N can be used as a VCO by applying a control voltage to the threshold pin (pin 5) or the trigger pin (pin 2). However, the frequency range and linearity may not be as good as a dedicated VCO IC.
The maximum output current of the NE556N is typically around 200 mA, but it can vary depending on the specific application and the power supply voltage.
