8N4QV01EG-1146CDI8

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Programmable timers and oscillators are devices used in a wide variety of applications, from clock generation for embedded systems, to frequency control in digital controllers, and more. The 8N4QV01EG-1146CDI8 is a programmable timer and oscillator from OnSemi which is an ideal solution for these types of applications. This article will discuss the application fields and working principle of the 8N4QV01EG-1146CDI8.

Application Fields

The 8N4QV01EG-1146CDI8 provides two primary functions which ideally suits it for applications which would require either or both of these capabilities. Firstly, the device provides a high frequency, low-skew clock generation which can be used in a range of types of embedded systems. With a max input frequency of 200MHz, a wide range of clock frequencies can be generated. Secondly, the 8N4QV01EG-1146CDI8 provides frequency control capabilities with a wide range of values. This enables the device to be used in digital controllers for controlling the clock frequency of the internal components.

In addition to these two primary application fields, the 8N4QV01EG-1146CDI8 is also suitable for use in Timing and Synchronization, where precise timekeeping is required. The device has a high accuracy oscillator and time control options which make it particularly suited to these types of applications.

Working Principle

The 8N4QV01EG-1146CDI8 is based on a CMOS based frequency locked loop configuration. The device has a reference oscillator operating at a fixed frequency of 200MHz and an external frequency input. A precision divider is used to divide the incoming frequency signal and the reference signal, and the two signals are then compared to determine the difference in their frequencies. The comparison is used to adjust the phase lock loop voltage controlled oscillator and bring it into frequency sync with the incoming frequency signal.

The 8N4QV01EG-1146CDI8 also has an output port which, when provided with a voltage, will enable the device to operate in a frequency control mode. This is used to adjust the frequency of the output signal and perfect timing and synchronization applications. Additionally, the device can also be used to generate low-skew clock signals for embedded systems.

Conclusion

The 8N4QV01EG-1146CDI8 from OnSemi is a programmable timer and oscillator suitable for a range of applications. The device can be used for clock generation, frequency control and synchronization in embedded systems and digital controllers, making it an ideal solution for a range of needs. The device is based on a CMOS based frequency locked loop architecture, with two input ports and an output port, allowing for a wide range of applications. The device can also be used in frequency control applications and to generate low-skew clock signals.

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