SI5344A-B04969-GM

Clock Generators, PLLs, Frequency Synthesizers Overview

The SI5344A-B04969-GM is a factory preprogrammed clock synthesizer and jitter attenuator from the Si5344 family. It features four inputs and four outputs, supporting integer and fractional frequency synthesis with output frequencies ranging from 0.001 MHz to 1028 MHz. The device utilizes fourth-generation DSPLL technology to achieve ultra-low jitter performance of 90 fs rms. It operates within a temperature range of -40°C to +85°C and is housed in a 44-QFN 7x7 mm package.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Generates any combination of output frequencies from any input frequency using integer and fractional synthesis modes.
• Integrates fourth-generation DSPLL and MultiSynth technologies for high-performance jitter attenuation.
• Supports free-run, synchronous, and holdover modes with automatic or manual input clock switching.
• Features highly configurable outputs compatible with LVDS, LVPECL, LVCMOS, CML, and HCSL signal formats.

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 factory preprogrammed configuration associated with the B04969 suffix against the design requirements. Confirm that the ordering part number matches the required frequency plan and operational parameters before procurement. Ensure compatibility with the ClockBuilder Pro software for any necessary post-installation verification.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when an ultra-low jitter solution with flexible frequency generation is required. The Si5344A variant supports differential outputs up to 1028 MHz. Verify that the application environment falls within the specified operating temperature range and that the 44-QFN package footprint fits the PCB layout constraints.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This device belongs to the Si5345/44/42 Rev D family, which combines DSPLL and MultiSynth technologies. The Si5344 specifically offers four inputs and four outputs in a compact 44-QFN package. It is designed for applications demanding precise clock distribution and jitter cleaning capabilities across various networking and telecommunications standards.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

The Si5344A-D-GM serves as the base blank prototype for this series. Other variants include the Si5344B-D-GM for lower frequency ranges and the Si5344C-D-GM for integer-only synthesis. Ensure the replacement part supports the required output frequency range and synthesis mode.