SI5345B-B04707-GMR

Clock Generators, PLLs, Frequency Synthesizers Overview

The SI5345B-B04707-GMR is a clock synthesizer and jitter cleaner from Skyworks Solutions, belonging to the Si5345 Rev D family. It features four inputs and ten outputs housed in a 64-QFN package measuring 9x9 mm. The device supports integer and fractional frequency synthesis with an output frequency range of 0.001 MHz to 350 MHz. It operates on a core voltage (VDD) of 1.8 V ±5% and an auxiliary voltage (VDDA) of 3.3 V ±5%. The component functions within a temperature range of -40 °C to +85 °C.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Combines fourth-generation DSPLL and MultiSynth technologies for any-frequency clock generation and jitter attenuation
• Features programmable jitter attenuation bandwidth ranging from 0.1 Hz to 4 kHz
• Supports free-run, synchronous, and holdover modes with automatic or manual input clock switching
• 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 against official Skyworks documentation to confirm factory preprogramming details. Confirm package availability and RoHS compliance status directly with the manufacturer or authorized distributors before procurement.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this model when ultra-low jitter performance near 90 fs rms is required alongside flexible output configurations. Ensure the application utilizes the supported 1.8 V and 3.3 V supply rails and fits within the specified operating temperature range.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This component is part of the Si5345/44/42 Rev D series, which integrates DSPLL and MultiSynth technologies. The Si5345 variant specifically provides four inputs and ten outputs in a 64-QFN package, distinguishing it from the lower-output Si5344 and Si5342 models.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Si5345B-D-GM