SI5345D-B05100-GM

Clock Generators, PLLs, Frequency Synthesizers Overview

The Skyworks SI5345D-B05100-GM is a low-jitter, 10-output clock multiplier and jitter attenuator. It features four inputs and ten outputs within a 64-QFN package. The device supports differential input frequencies from 8 kHz to 750 MHz and LVCMOS inputs up to 250 MHz. Output frequencies range from 100 Hz to 350 MHz for differential formats and up to 250 MHz for LVCMOS. It operates on a core voltage of 1.8 V ±5% and output supplies of 3.3 V, 2.5 V, or 1.8 V. The unit functions within a temperature range of –40 °C to +85 °C.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Generates any combination of output frequencies from any input frequency using fourth-generation DSPLL and MultiSynth technologies.
• Provides ultra-low jitter performance with an integrated loop filter that eliminates discrete noise coupling risks.
• Supports hitless input clock switching between fractionally related clocks and glitchless on-the-fly output frequency changes.
• Includes in-circuit programmable non-volatile memory to ensure known frequency configuration upon power-up.

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 the manufacturer's current documentation to confirm package type and tape-and-reel specifications. Confirm factory preprogramming requirements if a specific frequency plan is needed. Check for RoHS compliance status and lead times directly with authorized distributors as availability may vary.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this model when fractional synthesis is required alongside integer modes for flexible frequency generation. Ensure the application requires the 350 MHz maximum output frequency limit characteristic of the 'D' variant. Verify that the 64-QFN package dimensions fit the PCB layout constraints and that the serial interface compatibility matches the system controller.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This component belongs to the Si5345 Rev D family, which integrates fourth-generation DSPLL technology. The 'D' designation indicates support for both integer and fractional frequency synthesis modes with a maximum output frequency of 350 MHz. It is part of a series designed for high-performance timing applications requiring precise jitter attenuation.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Si5345A-D-GM: Supports higher output frequencies up to 1028 MHz with integer and fractional synthesis. Si5345B-D-GM: Supports integer-only synthesis with a maximum output frequency of 350 MHz. Si5345C-D-GM: Supports integer-only synthesis with a maximum output frequency of 1028 MHz.