SI5344B-B-GM

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The SI5344B-B-GM is a versatile, highly programmable jitter attenuator, clock multiplier, and fanout device, designed to address the stringent jitter and clock multiplication requirements of next-generation communication, industrial, and data centers. The device is designed for use in a wide range of clock and timing applications, such as clocking and synchronization of the system clock, backplane, differential clock buffers, and reference oscillators. It can also be used in timing and control of video, audio, and data synchronization, as well as in oscillator and RF applications.

The SI5344B-B-GM device contains an array of four different clock inputs and four different clock outputs, with clock input signals ranging from 10kHz to 650MHz. It also has two independent programmable multi-synth synthesizer clocks with pre-programmed ranges from 100kHz to 200MHz, two serial digital inputs, a control register, and a standby function. The device is capable of providing jitter attenuation to 633fs rms and clock multiplication up to 16x the original frequency.

The working principle of the SI5344B-B-GM is based on the PLL (phase-locked loop) and fractional-N frequency synthesizer technology. The device allows for the generation of programmable clock frequencies independent of the input clock references. This is done by first having the input reference clocks go through the jitter attenuator and then being fed into the loop filter. The output of the loop filter is then used to control a programmable delay line that is used to control the frequency of the synthesizers.

The PLL then serves as a highly-accurate frequency synthesizer to convert incoming signals into the desired frequency with very low jitter. The device is also capable of providing output clock signals in a variety of configurations, including LVCMOS, LVDS, and High-Speed CMOS, thus allowing for the implementation of complex timing and synchronization requirements. In addition, the SI5344B-B-GM is designed to minimize power consumption to support a wide range of power-sensitive applications.

In summary, the SI5344B-B-GM is an excellent choice for applications requiring highly programmable jitter attenuation and frequency multiplication. Its PLL and fractional-N frequency synthesizer technology allow for an extremely accurate clock and timing solution with very low power consumption. The device is ideal for use in system clock and backplane applications, differential clock buffers, timing applications, and more. This makes it a great choice for a variety of applications in the communication, industrial, and data center markets.

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