SI5341B-B04457-GMR

Clock Generators, PLLs, Frequency Synthesizers Overview

The SI5341B-B04457-GMR is a programmable clock generator from Skyworks Solutions, part of the Si5341 series. It features 10 outputs with a maximum output frequency of 350 MHz and a maximum input frequency of 750 MHz. The device operates on a supply voltage ranging from 1.71 V to 3.47 V, consuming approximately 120 mA. It exhibits ultra-low jitter performance of 90 fs rms and supports a duty cycle up to 60%. Packaged in a QFN-64 format, it is designed for high-performance timing applications requiring precise frequency synthesis.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Combines wide-band PLL with MultiSynth fractional synthesizer technology for versatile clock generation
• Capable of synthesizing integer and non-integer related frequencies with zero ppm error
• Enables assignment of individual formats and output voltages to each clock output
• Configurable via ClockBuilderPro software or I2C/SPI serial interfaces

Clock Generators, PLLs, Frequency Synthesizers Applications

• High-speed data communication systems requiring precise clock distribution
• Telecommunications infrastructure equipment
• Test and measurement instruments demanding low-jitter timing
• Networking switches and routers

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for moisture sensitivity labeling prior to handling. Ensure storage conditions meet specified humidity requirements to prevent package damage. Validate that the specific suffix matches the required packaging configuration for your assembly line processes.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this model when designing systems requiring multiple differential clock outputs with sub-100 fs jitter performance. It serves as a replacement for multiple discrete oscillators and clock ICs. Consider the QFN-64 package constraints and thermal management needs. Verify compatibility with existing I2C or SPI control logic before integration into the design.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This component belongs to the Si5341 family of any-frequency, any-output clock generators. These devices utilize proprietary MultiSynth technology to deliver high flexibility and performance. The series is engineered to replace multiple clock sources with a single chip, simplifying board layout and reducing component count in complex timing architectures.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct substitutes within the same family include SI5341B-B04457-GM and SI5341B-D09418-GM. Verify pinout and electrical specifications match exactly. Cross-reference datasheets to ensure identical jitter performance and output configurations before swapping components in existing designs.