SI5347A-B-GM

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The SI5347A-B-GM is a clock generator/frequency synthesizer, which belongs to the Clock/Timing category. It enables extremely accurate and precise timing and frequency synthesis, which is beneficial in a range of applications.

The SI5347A-B-GM provides low-jitter clock distribution in highly integrated designs. This device is available in three package types (14-pin, 16-pin, and 32-pin), plus a variety of configurations. It offers 1 to 9 differential outputs, with programmable frequencies ranging from 200 kHz to 667 MHz. These outputs are divided from either its crystal oscillator, PLL or a reference clock. The device also offers a configurable layout of clock outputs, having multiple choices of pin locations and groups.

The SI5347A-B-GM is designed for superb accuracy, with a reference jitter down to 40 fs RMS. It also supports industrial standard I2C, SMbus user-programmable oscillators, with a range of 10kHz - 667MHz. This device is ideal for high-speed backplane, telecom, datacom, and test & measurement applications that require highly accurate and clock frequencies.

This clock generator/frequency synthesizer can be used in various applications, such as embedded systems that frequently require clocks at unusual frequencies, MicroTCA systems, networks gateway applications, communication clock synchronization requirements, datacom applications and digital imaging servo-control. It can also be used for clocking high-speed SerDes and ASIC circuitry, or any system that requires a highly accurate and precise clock.

The SI5347A-B-GM is based on a Phase Locked Loop (PLL) structure, which helps provide high accuracy and high stability of the frequency synthesized. It is also equipped with a fully integrated voltage controlled crystal oscillator (VCXO) direct synthesis PLL, and offers wide frequency flexibility along with excellent noise and jitter performance.

The high reference jitter of the SI5347A-B-GM enables a variety of applications. Its internally generated Auxiliary Frequency Division (AFD) output simplifies the design process, while its digital per-cycle jitter attenuation circuit helps to reduce excess jitter. The device also features a high-precision zero-delay clock buffering solution for low-power SoC designs.

The SI5347A-B-GM is an advanced clock generator/frequency synthesizer with superior performance and flexibility. It enables fast time-to-market of high-end system designs, allowing embedded systems to benefit from precisely-timed communications and highly accurate frequency synthesis.

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