SI5344D-B03552-GM

Clock Generators, PLLs, Frequency Synthesizers Overview

The SI5344D-B03552-GM is a jitter attenuator and clock multiplier from the Si5344 Rev D family. It features four inputs and four outputs housed in a 44-QFN package. The device generates output frequencies ranging from 0.001 MHz to 350 MHz using integer and fractional synthesis modes. It operates on a core voltage of 1.8 V ±5% and an auxiliary voltage of 3.3 V ±5%. The unit supports differential input frequencies up to 750 MHz and LVCMOS inputs up to 250 MHz. Output signal formats include LVDS, LVPECL, LVCMOS, CML, and HCSL with programmable amplitude. Operating temperature ranges from -40 °C to +85 °C.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Combines fourth-generation DSPLL and MultiSynth technologies for any-frequency generation
• Includes in-circuit programmable non-volatile memory for known power-up configuration
• Supports free-run, synchronous, and holdover operation modes
• Features fully integrated loop filter to eliminate discrete noise coupling risks

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 factory preprogramming details. Confirm package availability and lead times through authorized distributors. Ensure environmental compliance requirements match project specifications before finalizing procurement orders.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this model when four outputs are required with frequency limits below 350 MHz. Verify that the application requires integer and fractional synthesis capabilities within the specified range. Check compatibility with available serial interface protocols and ensure the operating temperature range meets system thermal constraints.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This component belongs to the Si5344 Rev D series, which offers four inputs and four outputs in a 44-QFN package. It shares architectural similarities with the Si5345 and Si5342 models but differs in output count and maximum frequency capabilities. The Rev D designation indicates specific internal revisions regarding performance characteristics and feature sets.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Si5344A-D-GM provides similar functionality with a higher maximum output frequency of 1028 MHz. Si5344B-D-GM offers comparable low-jitter performance within the same frequency range. Evaluate pinout compatibility and software configuration requirements when transitioning between these variants.