SI5341B-B03968-GMR

Clock Generators, PLLs, Frequency Synthesizers Overview

The SI5341B-B03968-GMR is a programmable clock generator from the Si5341 family, manufactured by Skyworks Solutions. It features ten outputs capable of generating any frequency up to 350 MHz with ultra-low jitter performance specified at 90 fs. The device supports input frequencies up to 750 MHz and operates within a supply voltage range of 1.71 V to 3.47 V. It is housed in a QFN-64 package and supports multiple output types including CML, HCSL, LVCMOS, LVDS, and LVPECL.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Ultra-low jitter generation capability for high-performance timing applications
• Ten independent outputs supporting flexible frequency synthesis
• Supports multiple differential and single-ended output logic standards
• Configurable via I2C interface for customized clock tree designs

Clock Generators, PLLs, Frequency Synthesizers Applications

• High-speed data communication equipment requiring precise clocking
• Telecommunications infrastructure base stations
• Enterprise networking switches and routers
• Test and measurement instrumentation systems

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify availability status as this specific suffix may indicate limited distribution or end-of-life conditions. Confirm RoHS compliance and moisture sensitivity level prior to procurement. Ensure compatibility with existing board layout constraints for the QFN-64 package. Cross-reference the exact part number with official Skyworks documentation to confirm functional specifications match design requirements.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when low phase noise and flexible output configuration are critical. Compare against other Si5341 variants based on required output count and specific frequency ranges. Ensure the selected variant supports the necessary output voltage levels and drive strengths for the target application. Verify that the programming toolchain supports the specific device revision.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the Si5341 MultiSynth family of jitter attenuators and clock generators. These devices are designed to replace crystal oscillators and reduce system complexity. The B-series typically denotes specific packaging or tape-and-reel options compared to tray-packaged counterparts. The family is widely used in demanding digital systems requiring clean clock signals.