SI5345A-B03712-GM

Clock Generators, PLLs, Frequency Synthesizers Overview

The SI5345A-B03712-GM is a factory preprogrammed clock multiplier and jitter attenuator from the Si5345 family. It features four inputs and ten outputs, supporting any-frequency generation up to 1028 MHz using integer and fractional synthesis modes. The device utilizes fourth-generation DSPLL and MultiSynth technologies 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 64-QFN package measuring 9x9 mm.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Generates any combination of output frequencies from any input frequency
• Ultra-low jitter of 90 fs rms
• Programmable jitter attenuation bandwidth: 0.1 Hz to 4 kHz
• Meets G.8262 EEC Option 1, 2 (SyncE)
• Highly configurable outputs compatible with LVDS, LVPECL, LVCMOS, CML, and HCSL with programmable signal amplitude

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 numerical suffix B03712 against the required system specifications. Confirm that the ordering part number matches the exact frequency plan and operational parameters needed for the design. Ensure compatibility with the ClockBuilder Pro software version used for configuration validation.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when high-performance jitter attenuation is required alongside flexible frequency synthesis capabilities. The Si5345A variant supports differential output frequencies up to 1028 MHz, making it suitable for high-speed serial applications. Consider the integrated loop filter and non-volatile memory features for simplified board design and reliable power-up states.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This device belongs to the Si5345/44/42 Rev D family of jitter attenuators. The 'A' designation indicates support for output frequencies up to 1028 MHz with both integer and fractional synthesis. The 'B03712' suffix denotes a specific factory preprogrammed configuration assigned by Skyworks Solutions, Inc., rather than a generic blank device.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct replacements include other factory preprogrammed variants within the Si5345A-D series, such as SI5345A-Dxxxxx-GM, provided they share the identical preprogrammed configuration. Generic Si5345A-D-GM devices can be used if in-circuit programming via the serial interface is feasible.