PI6C49003AE

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PI6C49003AE is a clock and timing IC specially developed for high performance applications. It has a programmable frequency range from 0.25Hz to 200MHz and a wide range of applications in timing, synchronizing and clock generation. This document provides an overview of the applications, working principle and features of the PI6C49003AE.

Applications

The PI6C49003AE is an ideal solution for a wide range of applications such as general purpose timing, programmable clocks, serial communication synchronization and embedded control applications. It can be used in areas such as automotive systems, consumer electronics, computer peripherals, industrial automation and wireless communication systems. Specific applications include generating a Start of Frame (SOF) signal in USB 3.0 applications, creating a synch pattern in audio/video signals, providing a clock source in FPGA-based systems and creating a timing reference for multi-phase clocks in processor chips.

Working Principle

The PI6C49003AE uses a phase-locked loop (PLL) architecture to generate an output frequency that is locked to its reference signal. The main components of the circuit are a phase- detector, a voltage-controlled oscillator (VCO), a programmable divider and an output buffer. The phase detector measures the phase difference between the incoming reference signal and the signal from the VCO. The output of the phase detector is amplified and used to control the frequency of the VCO. The VCO frequency is then divided by the programmable divider to generate the output signal with the desired frequency. By varying the values of the programmable divider, the output frequency of the circuit can be changed over a wide range. The output buffer ensures that the signal maintains its integrity over a wide frequency range and is also used to provide isolation for the output signal.

Features

The PI6C49003AE has several features that makes it suitable for use in a variety of applications. It includes an on-chip programmable digital oscillator, which provides a wide frequency range without the need for external components. It also has a programmable divider, which can be used to generate multiple clock edges in a single cycle. The output buffer can provide noise and isolation immunity for the output signal. It also includes an embedded temperature compensator, which helps to reduce frequency drift and maintain stability over temperature. The circuit also has several power-saving features, such as an automatic power-down mode and an adjustable supply voltage. All of these features combined make the PI6C49003AE an ideal solution for a variety of clock/timing applications.

Conclusion

The PI6C49003AE is a clock and timing IC specially designed for high performance applications. It uses a phase-locked loop architecture with an on-chip programmable digital oscillator to provide a wide range of frequencies from 0.25Hz to 200MHz. Its programmable divider can be used to generate a variety of clock edges in a single cycle, and its output buffer ensures signal integrity and provides noise immunity for the output signal. Its other features, such as power-saving modes and an embedded temperature compensator, make it suitable for a wide range of clock/timing applications.

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