SI5341B-B03991-GMR

Clock Generators, PLLs, Frequency Synthesizers Overview

The SI5341B-B03991-GMR is a programmable clock generator from Skyworks Solutions, part of the Si5341 series. It features ten outputs capable of generating any frequency up to 800 MHz with an input frequency support of up to 750 MHz. The device delivers ultra-low jitter performance at 90 fs and operates within a supply voltage range of 1.71 V to 3.47 V. It supports multiple output formats including CML, HCSL, LVCMOS, LVDS, and LVPECL, housed in a QFN-64 package.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Ultra-low jitter generation capability
• Ten independent configurable outputs
• Support for diverse output logic standards
• Flexible frequency synthesis architecture

Clock Generators, PLLs, Frequency Synthesizers Applications

• High-speed data communication systems
• Telecommunications infrastructure equipment
• Enterprise networking switches and routers
• Test and measurement instrumentation

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific suffix against official Skyworks documentation to confirm functional equivalence, as ordering codes may indicate variations in packaging or configuration. Confirm availability status through authorized distributors, as some variants are marked as discontinued or limited supply. Ensure compliance with RoHS directives and moisture sensitivity levels prior to procurement.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when designing systems requiring precise clock distribution with minimal phase noise. Evaluate the required output voltage levels and signal integrity needs to match the supported CML, LVPECL, or LVCMOS options. Consider the thermal characteristics of the QFN-64 package and ensure the design accommodates the specified operating temperature range of -40°C to +85°C.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This device belongs to the Si5341 family of MultiSynth clock generators, designed for high-performance timing applications. It integrates a flexible architecture that allows for the generation of multiple clock frequencies from a single reference input, simplifying board layout and reducing component count in complex digital systems.