SI5345D-B04832-GMR

Clock Generators, PLLs, Frequency Synthesizers Overview

The SI5345D-B04832-GMR is a 10-output jitter attenuator and clock multiplier from Skyworks Solutions. It utilizes fourth-generation DSPLL and MultiSynth technologies to generate any frequency combination from any input source. The device supports differential inputs 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 100 Hz to 250 MHz for LVCMOS. It features ultra-low jitter of 90 fs rms, programmable loop bandwidth from 0.1 Hz to 4 kHz, and in-circuit programmable non-volatile memory. The component operates on a 1.8 V core voltage and 3.3 V I/O supply within a 64-QFN package.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Generates any combination of output frequencies from any input frequency using fractional synthesizer technology.
• Provides ultra-low jitter performance with digitally programmable jitter attenuation bandwidth.
• Supports hitless input clock switching between fractionally related sources without phase offset propagation.
• Includes in-circuit programmable non-volatile memory for reliable power-up configuration.

Clock Generators, PLLs, Frequency Synthesizers Applications

• OTN muxponders and transponders
• GbE/10 GbE/100 GbE Synchronous Ethernet (ITU-T G.8262)
• Carrier Ethernet switches
• SONET/SDH line cards
• Broadcast video systems

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to ensure compatibility with required pre-programmed configurations. Confirm that the device meets RoHS-6 compliance standards for your assembly process. Check for any recent product change notices regarding pinout or electrical specifications before finalizing procurement orders.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this model when ten independent output clocks are required with strict jitter attenuation needs. Ensure the application supports the specified input frequency ranges and output voltage levels. Verify that the system design accommodates the 64-QFN package dimensions and thermal requirements for continuous operation within the industrial temperature range.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This component belongs to the Si5345 family of jitter attenuators, which also includes variants with different output counts such as the Si5344 and Si5342. The 'D' designation indicates a specific output frequency range limit compared to other family members. These devices share common architectural features like the DSPLL engine and MultiSynth dividers but differ in channel count and maximum output speed capabilities.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct replacements include other Si5345 variants with matching output counts and frequency ranges, such as the Si5345B-D-GM1R. Ensure substitute parts support the same serial interface protocols and NVM programming methods to maintain functional equivalence in existing designs.