SI5356A-B-GMR Integrated Circuits (ICs)

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The SI5356A-B-GMR product is a multi-function, clock and timing device designed for applications requiring high performance, low power and overall reliability. It is capable of providing ultra-low jitter from low-frequency to high-frequency sources, as well as providing a range of redundant clock systems for systems that demand redundancy and reliability. It can be used in a range of applications, including communications, computing, imaging, industrial and aerospace applications.

Applications

The SI5356A-B-GMR can be used to generate high-frequency clocks for a variety of high-speed digital and optical communication systems. This includes clocks for multi-Gigabit per second interfaces such as Serial RapidIO, InfiniBand, Fibre Channel, PCIe, CXP, RS485, etc. It also supports a wide variety of clock sources in a variety of formats, such as LVDS, LVPECL and HCSL. The device is capable of generating jitter-clean clocks with a variety of phase-locked loops, frequency division and locking mechanisms.

The SI5356A-B-GMR can also be used for real-time clocking in a wide range of distributed systems, from automotive networks to avionics to medical imaging and more. It is also well-suited for generating high-bandwidth clocks for video processing, image processing and video recording applications, as well as for providing low-jitter clock sources in low-power applications.

Working Principle

The SI5356A-B-GMR utilizes a combination of phase-locked loops, frequency division and verification circuits to achieve low-jitter clock generation. The device has up to five internal phase-locked loops, each designed to accept input from a variety of independent clock sources – from crystal oscillators to other reference clock sources. Each phase-locked loop utilizes a multi-modulus divider that allows for a wide range of input frequencies to be precisely divided and output as a high-frequency clock.

The device also offers internal one-step and two-step frequency synthesis for frequency-hopping applications. The device is able to accurately and quickly track incoming frequency changes using frequency-hopping algorithms, making it possible to quickly respond to frequency changes. The SI5356A-B-GMR also includes a range of verification and integrity checking features, including clock synchronization and jitter reduction.

The SI5356A-B-GMR is also capable of operating as a frequency synthesizer, allowing users to create finely-tuned clocks with high level of accuracy. The device is capable of generating frequency-swept clocks over a range of center frequencies, as well as precise output pins that can be used to control external timing resources.

Conclusion

The SI5356A-B-GMR is a multi-function, clock and timing device designed for applications requiring high performance, low power and overall reliability. It is particularly well-suited for clock generation for high-speed communication systems and for real-time clocking, as well as for providing low-jitter clock sources for low-power applications. The device utilizes a range of phase-locked loops, frequency division and verification circuits to generate precise and low-jitter output clocks, as well as offering frequency synthesis for frequency-hopping applications.

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