SI5342D-B02969-GMR

Clock Generators, PLLs, Frequency Synthesizers Overview

The SI5342D-B02969-GMR is a jitter attenuator and clock multiplier from the Si5342 Rev D family, manufactured by Skyworks Solutions. It features four differential inputs and two differential outputs housed in a 44-QFN (7x7 mm) package. The device supports any-frequency generation with an output range of 100 Hz to 350 MHz for differential signals. It utilizes fourth-generation DSPLL technology to achieve ultra-low jitter performance of 90 fs rms. The part operates within a temperature range of -40°C to +85°C and requires core voltages of VDD at 1.8 V ±5% and VDDA at 3.3 V ±5%.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Generates any combination of output frequencies from any input frequency using fractional synthesis.
• Integrates a fully on-chip loop filter to eliminate discrete noise coupling risks.
• Supports hitless input clock switching between fractionally related sources.
• Includes in-circuit programmable non-volatile memory for known power-up configurations.

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

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to confirm factory preprogramming details. Confirm that the B02969 code corresponds to the intended frequency plan. Ensure compatibility with the required serial interface protocol and check for any recent product change notifications affecting this specific revision.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when two differential outputs are sufficient for the design. The Si5342D variant specifically limits the maximum output frequency to 350 MHz; designs requiring higher frequencies should consider the Si5342A or Si5342C variants. Verify that the 44-QFN package footprint matches the PCB layout constraints and thermal requirements.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This device belongs to the Si5342 Rev D series, which combines MultiSynth and DSPLL technologies. It serves as a lower-channel-count alternative to the Si5344 and Si5345 families while maintaining similar jitter attenuation capabilities and configuration software support via ClockBuilder Pro.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

The Si5342B-D-GM is a compatible alternative if the application does not require the full 1028 MHz output range supported by the 'D' suffix variant. Both share the same package and pinout but differ in maximum frequency specifications.