SI5341A-B05911-GM

Clock Generators, PLLs, Frequency Synthesizers Overview

The SI5341A-B05911-GM is a programmable clock generator from Skyworks Solutions, housed in a 64-pin QFN package. It supports an input frequency range up to 750 MHz and generates output frequencies up to 1028 MHz. The device operates on a supply voltage between 1.71 V and 3.47 V, with typical operating voltages of 1.8 V or 3.3 V. It delivers ultra-low jitter performance of 90 fs rms and features ten configurable outputs compatible with LVDS, LVPECL, LVCMOS, CML, and HCSL standards.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Generates any combination of output frequencies from any input frequency using MultiSynth fractional synthesizer technology
• Provides ultra-low phase jitter performance of 90 fs rms with 0 ppm error
• Features highly configurable outputs supporting multiple logic levels including LVDS, LVPECL, LVCMOS, CML, and HCSL

Clock Generators, PLLs, Frequency Synthesizers Applications

• High-performance networking equipment requiring precise clock distribution
• Telecommunications infrastructure utilizing low-jitter signal generation
• Data center servers needing flexible clock tree synthesis
• Test and measurement instruments demanding accurate frequency synthesis

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific suffix (B05911) against official Skyworks documentation to confirm pre-programmed frequency configurations. Ensure compatibility with I2C/SPI programming interfaces if field reconfiguration is required. Confirm moisture sensitivity levels and recommended soldering profiles for surface mount assembly processes.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when sub-100 fs jitter performance is critical for system stability. The Si5341A variant supports output frequencies up to 1028 MHz, suitable for high-speed serial links. Utilize ClockBuilderPro software for efficient configuration and custom part number assignment to streamline manufacturing integration.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This device belongs to the Si5341/40 family of low-jitter clock generators. It integrates a wide-band PLL with proprietary MultiSynth technology to replace multiple discrete oscillators and clock buffers. The architecture allows for a complete clock tree solution on a single chip, reducing board space and design complexity.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct replacements within the same series include other Si5341A variants with different output frequency presets. Verify that alternative parts maintain the same 64-QFN footprint and electrical specifications, particularly the 90 fs jitter limit and 1028 MHz maximum output frequency.