SI5342D-B04814-GM

Clock Generators, PLLs, Frequency Synthesizers Overview

The SI5342D-B04814-GM is a low-jitter clock synthesizer and jitter cleaner manufactured by Skyworks Solutions Inc. It belongs to the Si5342 Rev D family, featuring four inputs and two outputs housed in a 44-QFN package measuring 7x7 mm. 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 an I/O voltage of 3.3 V ±5%, with a specified operating 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.
• Supports free-run, synchronous, and holdover modes with automatic or manual input clock switching capabilities.
• Features fully integrated loop filter and digitally programmable jitter attenuation bandwidth for optimized performance.
• 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 component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for specific revision notices or errata documents relevant to the manufacturing date code. Ensure proper handling procedures are followed due to moisture sensitivity classification.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this model when a compact 2-output solution is required within the Si5342 family. Verify that the 350 MHz maximum output frequency meets system requirements. Ensure compatibility with the 44-QFN 7x7 mm footprint during PCB layout design. Consider using ClockBuilder Pro software for precise configuration of jitter attenuation bandwidth and input/output settings.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This component is part of the Si5345/44/42 Rev D series, which utilizes Skyworks' proprietary DSPLL and MultiSynth technologies. The Si5342 variant specifically provides two outputs, distinguishing it from the four-output Si5344 and ten-output Si5345 models while sharing the same underlying architecture and feature set.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

SI5342D-D-GM is a confirmed alternative within the same family offering identical functional specifications and pinout compatibility.