SI5341B-B03334-GMR

Clock Generators, PLLs, Frequency Synthesizers Overview

The SI5341B-B03334-GMR is a programmable clock generator from the Si5341 family, manufactured by Skyworks Solutions. It features ten outputs capable of generating any frequency below 350 MHz with ultra-low jitter performance specified at 90 fs. The device operates on a supply voltage ranging from 1.71 V to 3.47 V and supports multiple output logic standards including CML, HCSL, LVCMOS, LVDS, and LVPECL. It is housed in a QFN-64 package and functions within an industrial temperature range of -40°C to +85°C.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Ultra-low jitter generation capability for high-speed data applications
• Ten independent outputs supporting flexible frequency synthesis
• Configurable output drive standards including LVDS, LVPECL, and LVCMOS

Clock Generators, PLLs, Frequency Synthesizers Applications

• High-performance networking equipment requiring precise timing
• Telecommunications infrastructure base stations
• Data center server backplanes and storage arrays
• Test and measurement instrumentation systems

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific suffix B03334 against official Skyworks documentation to confirm the exact factory configuration and pinout compatibility. Confirm RoHS compliance status and moisture sensitivity level prior to PCB assembly. Ensure the ordering part number matches the required tape-and-reel packaging format indicated by the GMR suffix.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when designing systems requiring multi-output clock distribution with stringent phase noise requirements. Compare the 350 MHz maximum output frequency limit against system needs. Evaluate power consumption specifications relative to thermal constraints in dense QFN-64 layouts. Consider the availability of evaluation boards like the Si5341-D-EVB for initial prototyping and validation.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the Si5341 MultiSynth family of low-jitter clock generators. It serves as a replacement for older jitter attenuators and fixed-frequency oscillators in modern high-speed serial links. The device integrates a PLL and multiple VCXOs to synthesize clean clock signals from various reference inputs.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Check Skyworks datasheets for direct pin-compatible alternatives within the Si5341 series. Verify if higher frequency variants like the Si5341C are suitable if frequencies exceed 350 MHz. Ensure that any substitute maintains the same output drive strength and supply voltage requirements.