SM802111UMG

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The SM802111UMG is an integrated Clock/Timing device which is developed by silicon manufacture, Synchronous Memory. It integrates a Clock Generator, Phase-Locked Loop (PLL), and Frequency Synthesizer. The device provides frequency synthesis with high accurate output and helps simplify circuit design for a wide range of applications.

Applications

The SM802111UMG leverages the integrated high accurate and low jitter components to offer the ideal solution for next-generation networking, communications, and data-center applications, such as:

• Telecommunications
• Data centers
• Terminal Remac
• Networking storage
• Data gating
• AR/VR

Working Principle

The SM802111UMG utilizes a Clock Generator, PLL, and an external reference clock to accurately and repeatably generate an output frequency with competitive jitter performance. It includes an integrated high-speed 16-bit Microdiode which controls the division rate of the Feedback and Multiplier Divider. It also features an advanced digital, built-in phase/frequency detector and loop filters for excellent phase noise and high frequency stability.

The integrated PLL is designed to eliminate the need for manual calibration and allows for on-the-fly adjustment to optimize frequency synthesis. It also features an adjustable output for either direct or differential clock outputs, allowing for up to 4 outputs with each capable of generating a frequency up to 100 MHz. Additionally, there are three PLL loop band-width settings suitable for a variety of system performance requirements.

The device offers a wide range of frequency synthesis possibilities including: sine wave, triangle wave, square wave and saw tooth wave. The device also provides typical output jitter of 40 picoseconds and a maximum output frequency of 1 GHz. It can support operation over a wide temperature range of -40 to +85C.

Conclusion

The SM802111UMG integrates a Clock Generator, PLL, and Frequency Synthesizer component in a single device that is optimized for next-generation applications in which high-frequency, high-quality output is essential. This device offers a wide range of frequency synthesis possibilities and features adjustable outputs, digital phase/frequency detectors, and on-the-fly adjustment of frequency synthesis. Additionally, the device offers typical output jitter of 40 picoseconds and operates over a wide temperature range of -40 to +85C.

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