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Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers

SI5346B-A-GM is a low-power, programmable clock generator and jitter attenuator, dedicated to generating a variety of multi-frequency clock signals with extremely small size, fast time-to-market, and impressive specifications.

Application Field

The SI5346B-A-GM clock generator and jitter attenuator is designed for use in various industries, including mobile phones, servers, and Military/Aerospace equipments. It is widely used in many types of complex timing network in a wide range of high-speed serial applications, such as DDR2, DDR3, DDR4, SDH, sRIO, 10G Fibre Channel, 10G Ethernet, 1 x PCI-E Gen 2, and Quad Gigabit Ethernet (QGE).

Working Principle

The SI5346B-A-GM clock generator is designed with a wide operating frequency, from 400kHz to 1GHz output frequency. The device provides high signal quality with jitter attenuation greater than 800ps. The signal processing loop is contained within the device, and all jitter attenuation is based on analog signal processing technology. The SI5346B-A-GM is designed with extra jitter attenuation to achieve a higher signal quality than similar solutions.

The features of the SI5346B-A-GM are designed to enable easy programming and flexibility. It also provides an independent input clock reference that can be used to generate multiple outputs, as well as enable an advanced programmable output clock driver that supports multiplexed clock outputs while maintaining signal integrity.

The SI5346B-A-GM clock generator operates by receiving one or two external clock references. This device then uses the internal control functions to generate a new clock signal with a different frequency. The clock signal can be generated by a fractional-N PLL or integer-N PLL. The clock signal that is output from the SI5346B-A-GM will have multiple frequencies and multi-phase clock signals with very low jitter.

Conclusion

The SI5346B-A-GM is a low-power, programmable clock generator and jitter attenuator, designed for use in various industries, including mobile phones, servers, and Military/Aerospace equipments. It has a wide range of operating frequency from 400kHz to 1GHz, and provides high signal quality with jitter attenuation greater than 800ps. The SI5346B-A-GM can be used to generate multiple output clocks with independent input clock references and has an advanced programmable output clock driver that can support multiplexed clock outputs. These features make the SI5346B-A-GM an ideal solution for many complex timing networks, including DDR2, DDR3, DDR4, SDH, sRIO, 10G Fibre Channel, 10G Ethernet, 1 x PCI-E Gen 2, and Quad Gigabit Ethernet (QGE).

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