SY89533LHZ TR

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The SY89533LHZ TR is a monolithic clock generator designed to provide cycle synchronization for a variety of systems, from consumer printers to telecom switches. It is a low-cost, low-power device, but still a high-performance clock generator. This device can generate up to four reference clocks with very low jitter and the ability to divide down frequencies. It also offers spread spectrum capabilities and other operations, such as clock fail detection and disable. In this article we will discuss its application areas and working principles.

Applications of the SY89533LHZ TR Clock Generator

The SY89533LHZ TR is a versatile low-cost, low-power clock generator, offering a wide variety of applications. Its high performance makes it ideal for cycle synchronization in consumer printing, telecom switching systems, and other high-speed designs.

The SY89533LHZ TR is designed to generate up to four simultaneous reference clocks from low-jitter crystal-controlled reference sources. The device supports all common frequencies, including the standard 50, 25, and 12.5 MHz standards, along with selectable frequency synthesizers that can support any frequency from 25 MHz up to 400 MHz.

The device also offers a spread spectrum capability and a built-in clock fail detect and disable function. This makes it an excellent choice for applications requiring high signal-to-noise ratios and reliable system operation. The SY89533LHZ TR can also be used in frequency synthesizers, and it is compatible with all popular PLLs.

Working Principle of the SY89533LHZ TR Clock Generator

The SY89533LHZ TR clock generator is based on an integrated, low-jitter, crystal-controlled oscillator circuit. The oscillator circuit is capable of producing up to four separate output clocks, up to a maximum of 400 MHz. These output clocks can be individually divided down to a frequency lower than the reference clock, allowing for frequency synchronization to the target system.

The reference clock is first divided into two parts, a lower frequency reference and a high frequency reference. The lower frequency reference clock is then divided by programmable dividers, which can be set to provide the desired output frequency. The high frequency reference clock is also divided by a programmable divider and is then used to modulate the output clock. This technique is known as “spread spectrum” and helps to reduce the emitted noise from the SY89533LHZ TR clock generator.

The SY89533LHZ TR also has a unique feature called “clock fail detect and disable.” This feature prevents the clock generator from outputting an erroneous clock signal when the reference clock fails. This prevents system glitches and unexpected behavior in high-speed systems that rely on reference clocks.

Conclusion

The SY89533LHZ TR clock generator is a reliable and high-performance device for frequent synchronization. It is suitable for a range of applications, including consumer printing, telecom switching systems, frequency synthesizers, and other high-speed designs. The device offers low jitter, spread spectrum capability, and clock fail detect and disable, making it an excellent choice for systems requiring high stability and reliability.

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