SI5345D-B00009-GMR

Clock Generators, PLLs, Frequency Synthesizers Overview

The SI5345D-B00009-GMR is a 10-output jitter attenuator and clock multiplier from the Si5345 Rev D family. It features four inputs and supports any-frequency generation up to 350 MHz on differential outputs, or up to 250 MHz for LVCMOS. The device integrates fourth-generation DSPLL technology with MultiSynth dividers, achieving ultra-low jitter of 90 fs rms. It operates within a temperature range of -40°C to +85°C and utilizes a 64-QFN 9x9 mm package.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Generates any combination of output frequencies from any input frequency using fractional synthesis.
• Integrates fully on-chip loop filter to eliminate discrete noise coupling risks.
• Supports hitless input switching between fractionally related clocks.
• 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 factory preprogrammed configuration associated with the B00009 suffix against the ClockBuilder Pro software requirements. Confirm that the QFN-64 package dimensions match the PCB land pattern specifications provided in the datasheet. Ensure ESD handling protocols are followed during assembly due to the moisture sensitivity classification.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this part when applications require low-jitter performance below 350 MHz with ten independent outputs. Verify that the required input frequencies fall within the 8 kHz to 750 MHz differential range. Consider the integrated NVM feature if system startup synchronization is critical without external programming steps.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This component belongs to the Si5345 Rev D series, which combines DSPLL and MultiSynth technologies. The 'D' designation indicates support for output frequencies up to 350 MHz, distinguishing it from the 'A' and 'C' variants that support higher frequencies or integer-only modes. The 'GMR' suffix denotes tape and reel packaging.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct functional replacements include other Si5345D variants such as SI5345D-D11351-GMR or SI5345D-D09211-GMR, provided their factory preprogrammed configurations match the design requirements. Cross-family substitution with Si5344 or Si5342 models requires reconfiguration due to different output counts.