SI5350A-B04056-GMR

Clock Generators, PLLs, Frequency Synthesizers Overview

The SI5350A-B04056-GMR is a factory-programmable CMOS clock generator manufactured by Skyworks Solutions. It utilizes a PLL and MultiSynth architecture to generate up to eight non-integer-related frequencies ranging from 2.5 kHz to 200 MHz with 0 ppm error. The device operates on a fixed-frequency crystal reference of 25 or 27 MHz and supports glitchless frequency changes, configurable spread spectrum, and static phase offsets. It features separate core (VDD) and output (VDDO) supply pins supporting 1.8 V, 2.5 V, or 3.3 V levels. The component is available in 10-MSOP, 16-QFN, and 20-QFN packages.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Generates multiple independent clock frequencies from a single crystal reference
• Supports glitchless frequency transitions and configurable spread spectrum for EMI reduction
• Features user-configurable control pins for power management and output enablement
• Provides level translation via separate core and output voltage supplies

Clock Generators, PLLs, Frequency Synthesizers Applications

• HDTV, DVD/Blu-ray, and set-top box systems
• Audio/video equipment and gaming consoles
• Printers, scanners, and projectors
• Residential gateways and networking communication devices
• Servers and storage systems

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific factory programming configuration associated with the B04056 suffix using ClockBuilder Pro software or Skyworks technical support. Confirm that the package type matches the required pin count and form factor for the target PCB layout. Ensure the crystal load capacitance requirements align with the internal settings programmed into the device.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when replacing multiple discrete crystals or oscillators to reduce board space and cost. Choose the appropriate package variant based on the number of required outputs: 10-MSOP for three outputs, 16-QFN for four outputs, or 20-QFN for eight outputs. Verify that the application requires pin-controlled functionality rather than I2C programmability, as this model uses hardware pins for configuration.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the Si5350 family of factory-programmable clock generators. Unlike the Si5351 series which supports I2C reconfiguration, the Si5350A relies on pre-programmed data sheets and physical control pins. The 'GMR' suffix indicates a tape and reel packaging format suitable for automated surface-mount assembly processes.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct functional replacements within the same family include other Si5350A variants with different output counts or package types, such as SI5350A-Bxxxxx-GT or SI5350A-Bxxxxx-GM1. Cross-family substitution with Si5351 models requires redesigning the control interface from pins to I2C.