ICS650R-21IT

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The ICS650R-21IT from Idt Integrated Device Technology is a clock generator, phase-locked loop and frequency synthesizer that provides enhanced features and performance for a variety of applications. It is designed to provide multiple outputs for frequency synthesis and for power conversion. The ICS650R-21IT is suitable for applications such as digital television broadcast, high speed computing, wired and wireless data communication, and other demanding frequency synthesis applications.

Overview of Features

The ICS650R-21IT contains several special features:

• High performance on-chip oscillator and PLL circuit architectures
• Multi-output clock generator
• Differential outputs with voltage swing of 6Vpp
• Low jitter and low cycle-to-cycle jitter
• Various reference clock frequencies
• Frequency Synthesizer mode
• Power-down mode
• Output skew configuration capability
• On-chip oscillator fail detection
• Wide input voltage range from 1.8V to 5.5V

Application Field of ICS650R-21IT

The ICS650R-21IT is well suited for applications in the industrial, automotive, aerospace, and telecom markets where high performance clocks, frequency synthesis and power conversion are required. It can be used in a variety of applications such as digital television broadcast, high speed computing, wired and wireless data communication, processor buses, and other demanding frequency synthesis applications. It is also suitable for applications where frequency and voltage scaling is necessary, including telecom, FPGA/ASIC, and medical systems.

Working Principle of ICS650R-21IT

The ICS650R-21IT contains two independent clock generators, or two types of PLLs (Phase Locked Loops). The first PLL, referred to as the output PLL, is used to generate multiple outputs which can be adjusted to different frequencies. It can work in Frequency Synthesizer mode, in which multiple, independently programmable, individually adjustable outputs frequencies can be generated. The second is a reference clock PLL, and is used to lock the input clock to a desired frequency. The output PLL is locked to the reference clock PLL, and this helps ensure that the outputs generated have a very-low jitter performance. The device also features an on-chip oscillator fail detection circuit which ensures that the output clocks are reliable. It also features a power-down mode which reduces current consumption when not in use.

Conclusion

The ICS650R-21IT is an excellent choice for demanding frequency synthesis applications. With its capability to generate multiple outputs with low jitter, wide input voltage range and high performance clock generators and phase-locked loops, it is suitable for use in a variety of data communications, wired and wireless, automotive, aerospace and telecom applications. Overall it is an ideal choice for customers looking for advanced clock generator, PLL and frequency synthesizer options.

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