请简述时钟芯片Si5375的VCO Freeze模式原理及应用场景，VCO Freeze模式是否适合SDH的应用？

Any Frequency Precision Clock Multiplier/Jitter Attenuator,8 Inputs, 8 Outputs (2 kHz to 808 MHz)

Quad DSPLL jitter attenuating clock,Standard loop bandwidth (60 Hz to 8.4 kHz)8 input, 8 output (2 kHz to 808 MHz)

4-PLL ANY-FREQUENCY PRECISION CLOCK MULTIPLIER/JITTER ATTENUATOR

抖动衰减，集成参考的单PLL相干光学时钟、Jitter-Attenuating, Single-PLL Coherent Optics Clock with Integrated Reference

Si5372、Si5372J、Si5372J-AXXXX-GM系列

4Input/ 4Output Clocks.High-Frequency Clock0.615 to 2.75 GHz.General-Purpose Clock0.0001 to 717.5 MHz.Internal

44-LGA

评估板

XO & VCXO Eval Board for All Si53x and All Si55x. Si53x and Si55x评估板

Si53x and Si55x

SI5372评估板、44-QFN评估板、Si5372 Evaluation Board、44-QFN Evaluation Board

SI5372、SI5372J系列

Si5372 Evaluation Board.44-QFN Evaluation Board.SI5372评估板.

评估板

4-PLL ANY-FREQUENCY PRECISION CLOCKMULTIPLIER/JITTER ATTENUATOR. SI5376评估板

SI5376

抖动衰减，集成参考的单PLL相干光学时钟、Jitter-Attenuating, Single-PLL Coherent Optics Clock with Integrated Reference

SI5371、SI5371J、SI5371J-AXXXXX-GMR系列

4Input,2Output Clocks.High-Frequency Clock0.615 to 2.75 GHz.General-Purpose Clock0.0001 to 717.5 MHz.Internal.

44-LGA

Quad DSPLL jitter attenuating clock,Standard loop bandwidth (60 Hz to 8.4 kHz)

抖动衰减，集成参考的单PLL相干光学时钟、Jitter-Attenuating, Single-PLL Coherent Optics Clock with Integrated Reference

SI5371、SI5371J、SI5371J-AXXXXX-GMR系列

4Input,2Output Clocks.High-Frequency Clock0.615 to 2.75 GHz.General-Purpose Clock0.0001 to 717.5 MHz.Internal.

44-LGA

抖动衰减，集成参考的单PLL相干光学时钟、Jitter-Attenuating, Single-PLL Coherent Optics Clock with Integrated Reference

Si5372、Si5372J、Si5372J-AXXXX-GMR系列

4Input/ 4Output Clocks.High-Frequency Clock0.615 to 2.75 GHz.General-Purpose Clock0.0001 to 717.5 MHz.Internal

44-LGA