SI5345B-B09310-GM

Clock Generators, PLLs, Frequency Synthesizers Overview

The SI5345B-B09310-GM is a low-jitter, 10-output clock multiplier and jitter attenuator from the Si5345 family. It utilizes fourth-generation DSPLL and MultiSynth technologies to generate any frequency combination up to 350 MHz from any input source. The device features four inputs (differential or LVCMOS) and ten highly configurable outputs supporting LVDS, LVPECL, LVCMOS, CML, and HCSL formats. Key electrical parameters include a maximum output frequency of 350 MHz, a maximum input frequency of 750 MHz for differential inputs, and a supply voltage range of 1.71 V to 3.47 V. It operates within a temperature range of -40°C to +85°C in a 64-QFN package.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Generates any combination of output frequencies from any input frequency using integer and fractional synthesis.
• Features ultra-low jitter performance with integrated loop filter eliminating discrete noise coupling risks.
• Supports hitless input clock switching, free-run, synchronous, and holdover modes of operation.
• Includes in-circuit programmable non-volatile memory for known power-up configuration.

Clock Generators, PLLs, Frequency Synthesizers Applications

• OTN muxponders and transponders
• 10/40/100 G networking line cards
• GbE/10 GbE/100 GbE Synchronous Ethernet (ITU-T G.8262)
• Carrier Ethernet switches
• SONET/SDH line cards

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific ordering suffix B09310 against official Skyworks documentation to confirm the preprogrammed frequency plan. Factory preprogrammed devices require unique numerical sequences assigned by Skyworks. Confirm availability status as custom configurations may have limited distribution channels.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this model when a fixed, factory-programmed configuration is required rather than field programming. Ensure the 350 MHz output limit meets system requirements, as higher frequency variants exist in the Si5345A series. Verify that the 64-QFN package dimensions fit the PCB layout constraints.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This component belongs to the Si5345 family of jitter attenuators. The 'B' suffix indicates a maximum output frequency capability of 350 MHz, distinguishing it from the 'A' variant which supports up to 1028 MHz. The 'D' denotes the Rev D datasheet revision. The 'GM' suffix typically indicates a lead-free, RoHS-compliant tape and reel or tube packaging option depending on the specific manufacturing batch.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

SI5345A-Dxxxxx-GM: Supports higher output frequencies up to 1028 MHz but requires reconfiguration if lower frequencies are needed. SI5345C-Dxxxxx-GM: Integer-only synthesis, unsuitable for fractional frequency generation requirements.