SI5344H-C05892-GMR

Clock Generators, PLLs, Frequency Synthesizers Overview

The SI5344H-C05892-GMR is a high-frequency, ultra-low jitter attenuator clock with a digitally-controlled oscillator (DCO). It features two inputs and four outputs in a QFN-44 package. The device supports High-Frequency Mode up to 2.75 GHz with typical phase jitter of <50 fs-rms (1 MHz–40 MHz) and MultiSynth Mode up to 717.5 MHz with typical phase jitter of <150 fs-rms (12 kHz–20 MHz). Input frequency ranges from 8 kHz to 750 MHz. Core supply voltage is 1.8 V ±5% and analog supply is 3.3 V ±5%. Operating temperature spans –40 °C to +85 °C.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Combines fourth-generation DSPLL with MultiSynth technology for flexible any-frequency output generation alongside high-speed integer multiplication.
• Features DCO control with step resolution as low as 0.001 ppb and the ability to lock to gapped clock inputs.
• Includes fully integrated on-chip loop filter and in-circuit programmable non-volatile memory for known power-up configurations.

Clock Generators, PLLs, Frequency Synthesizers Applications

• 100G/200G/400G Coherent Optical Transceivers
• Wireless base-stations

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet revision to ensure compatibility with required packaging and pre-programming options. Confirm availability status directly with authorized distributors or Skyworks Solutions, as inventory levels for factory-preprogrammed variants may fluctuate. Ensure the selected part matches the intended application requirements regarding input/output frequencies and jitter specifications before finalizing procurement orders.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when designing systems requiring ultra-low jitter performance at frequencies exceeding 1.5 GHz combined with flexible fractional synthesis capabilities. The Si5344H is suitable for applications needing independent output supplies and glitchless frequency changes. Utilize ClockBuilder Pro software to optimize loop bandwidth and verify that the specific C05892 configuration meets the target frequency plan and jitter tolerance requirements.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This device belongs to the Si5344H/42H family of high-frequency jitter attenuators. The Si5344H variant specifically provides four differential outputs, whereas the Si5342H offers two. Both share the same core architecture, supporting high-speed modes up to 2.75 GHz and MultiSynth modes up to 717.5 MHz within a compact 44-pin QFN package.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Public confirmed substitute part numbers: None identified in verified documentation.