SI5341A-B05443-GMR

Clock Generators, PLLs, Frequency Synthesizers Overview

The SI5341A-B05443-GMR is a programmable clock generator from Skyworks Solutions, part of the Si5341 family. It features ten outputs capable of generating any frequency below 1028 MHz with ultra-low jitter of 90 fs. The device supports input frequencies up to 750 MHz and operates on a single supply voltage ranging from 1.71 V to 3.47 V. It is housed in a QFN-64 package and supports multiple output logic types including CML, HCSL, LVCMOS, LVDS, and LVPECL.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Ultra-low jitter performance specified at 90 fs
• Ten independent outputs supporting any frequency below 1028 MHz
• Flexible output interface options including CML, HCSL, LVCMOS, LVDS, and LVPECL
• Supports input frequencies up to 750 MHz

Clock Generators, PLLs, Frequency Synthesizers Applications

• High-performance networking equipment requiring precise timing
• Telecommunications infrastructure systems
• Data center interconnects and server platforms
• Test and measurement instrumentation

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific suffix B05443 against official Skyworks documentation to confirm the exact factory configuration, as this code defines the internal register map and output assignments. Confirm RoHS compliance status and moisture sensitivity level (MSL) ratings prior to PCB assembly planning. Ensure the QFN-64 thermal pad requirements are met during layout design.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when designing systems requiring ten distinct clock signals derived from a single source with minimal phase noise. Compare the 1028 MHz maximum output frequency limit against system requirements. Evaluate power consumption specifications relative to available thermal dissipation capabilities within the QFN-64 package constraints.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the Si5341 series of MultiSynth clock generators, designed for applications demanding high precision and flexibility. The 'A' designation typically indicates support for higher output frequencies compared to other variants in the same package family. The GMR suffix denotes tape and reel packaging suitable for automated surface-mount assembly processes.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct replacements within the Si5341 family include SI5341A-D-GMR or SI5341B variants, provided the output frequency and jitter specifications align with the original design intent. Verify that alternative parts maintain compatibility with the required output logic levels and pinout configurations to ensure seamless integration without schematic modifications.