SI5342A-B04776-GM

Clock Generators, PLLs, Frequency Synthesizers Overview

The SI5342A-B04776-GM is a factory preprogrammed clock synthesizer and jitter cleaner from the Si5342 family. It features four inputs and two outputs, supporting any-frequency generation up to 1028 MHz using integer and fractional synthesis modes. The device utilizes fourth-generation DSPLL and MultiSynth technologies for ultra-low jitter performance. It operates within a temperature range of -40°C to +85°C and is housed in a 44-QFN package.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Generates any combination of output frequencies from any input frequency
• Ultra-low jitter attenuation capability
• Supports free-run, synchronous, and holdover modes of operation
• In-circuit programmable with non-volatile OTP memory

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 B04776 suffix against project requirements. Confirm that the component status aligns with long-term supply needs, as this specific part number may be subject to discontinuance or limited availability compared to standard generic variants.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this variant when a fixed, verified frequency plan is required without on-site programming. Ensure the application supports the 4-input, 2-output architecture. Verify compatibility with the 44-QFN 7x7 mm package constraints and confirm that the supported frequency ranges meet the system's timing specifications.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This component belongs to the Si5342 Rev D series, which combines DSPLL and MultiSynth technologies. Unlike standard SKUs, the B04776 suffix indicates a custom factory preprogrammed configuration. These devices are designed for high-performance jitter attenuation and flexible clock generation in demanding telecommunications and networking environments.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

SI5342A-D-GM

Clock Generators, PLLs, Frequency Synthesizers FAQ

What does the 'B' suffix indicate in the part number?

The 'B' suffix denotes a custom, factory preprogrammed device with a unique numerical sequence representing the specific preprogrammed configuration.

How many input and output clocks does the Si5342 support?

The Si5342 device supports four input clocks and two output clocks.

What is the maximum output frequency range for the Si5342A?

The Si5342A supports an output frequency range from 0.001 MHz to 1028 MHz using both integer and fractional synthesis modes.