SI5332BC08478-GM3

Clock Generators, PLLs, Frequency Synthesizers Overview

The SI5332BC08478-GM3 is a 12-output programmable clock generator from the Si5332 family, manufactured by Skyworks Solutions Inc. It utilizes MultiSynth technology to generate any-frequency outputs up to 200 MHz with 190 fs RMS jitter. The device features a 48-QFN package and supports user-configurable output signal formats including LVDS, LVPECL, HCSL, and LVCMOS. It operates within a temperature range of –40 to +85 °C and accepts core supply voltages of 1.8 V, 2.5 V, or 3.3 V.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Generates up to 12 differential clock outputs with 0 ppm frequency synthesis error
• Supports integer and fractional frequency synthesis modes for external crystal or clock inputs
• Features independent output supply banks (VDDO) for mixed-supply applications
• Includes spread spectrum modulation capability from –0.1% to –2.5%

Clock Generators, PLLs, Frequency Synthesizers Applications

• Servers and storage systems
• Ethernet switches and routers
• Small cells and mobile backhaul/fronthaul infrastructure

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific NVM code '08478' corresponds to the required frequency plan, as this suffix defines the factory-programmed configuration. Confirm that the 48-QFN package dimensions match the target PCB land pattern. Ensure the design accommodates the specified operating voltage ranges and thermal requirements for the intended environment.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this part when a high-output count clock generator with low jitter is required for frequencies up to 200 MHz. The Si5332B grade specifically limits maximum output frequency to 200 MHz, distinguishing it from the Si5332A/C grades which support up to 333.33 MHz. Use ClockBuilder Pro software to define the exact output frequencies and signal formats before ordering.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This component belongs to the Si5332 family of any-frequency clock generators. The 'B' designation indicates support for integer and fractional synthesis with an external reference, limited to a maximum output frequency of 200 MHz. The 'GM3' suffix denotes the 48-pin QFN package variant capable of supporting up to 12 differential outputs.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct replacements within the same family include other Si5332B variants with different output counts, such as SI5332BDxxxxx-GM2 (8-output) or SI5332BCxxxxx-GM3 (same package, different frequency plan). Verify pin compatibility and electrical specifications when substituting.