SI5338Q-B04152-GM

Application Specific Clock/Timing Overview

The SI5338Q-B04152-GM is a programmable clock generator utilizing MultiSynth technology to synthesize any frequency on four independent output drivers. It supports differential and single-ended outputs with frequencies up to 710 MHz for LVDS/LVPECL formats, 350 MHz for SSTL/HSTL, 250 MHz for HCSL, and 200 MHz for CMOS. The device features low phase jitter of 0.7 ps RMS typical, zero ppm frequency accuracy, and glitchless frequency adjustments in 1 ppm steps. It operates from a single core supply of 1.8 V, 2.5 V, or 3.3 V and includes configurable spread spectrum capabilities.

Application Specific Clock/Timing Feature Summary

• MultiSynth technology enables independent, any-frequency synthesis on four output drivers with 0 ppm precision.
• Low phase jitter of 0.7 ps RMS typical, compliant with PCIe Gen 1/2/3/4 Common Clock and Gen 3 SRNS standards.
• Highly-configurable output drivers supporting LVPECL, LVDS, CML, HCSL, CMOS, SSTL, and HSTL formats.
• Independent frequency increment/decrement feature allows glitchless adjustments in 1 ppm steps.

Application Specific Clock/Timing Applications

• Ethernet switch/router
• PCIe Gen1/2/3/4
• Processor and FPGA clocking
• Telecom line cards
• Fibre Channel, SAN

Application Specific Clock/Timing Procurement Notes

Verify the specific ordering suffix B04152 against the manufacturer's current documentation to confirm factory-programmed parameters. Ensure compatibility with I2C/SMBus interfaces and check for moisture sensitivity handling requirements during assembly.

Application Specific Clock/Timing Selection Notes

Select this component when requiring four independent clock outputs with varying frequencies and signal formats. Confirm that the required input reference (crystal, CMOS, or differential) falls within the supported ranges. Validate power supply constraints against the 1.8 V, 2.5 V, or 3.3 V core supply options.

Application Specific Clock/Timing Part Context

This part belongs to the Si5338 family of I2C-programmable quad clock generators. It replaces multiple crystal oscillators by synthesizing precise frequencies internally. The QFN-24 package provides a space-saving solution for high-density designs requiring flexible clock distribution.

Application Specific Clock/Timing Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.

Application Specific Clock/Timing FAQ

What is the maximum output frequency for LVDS/LVPECL formats?

The maximum output frequency for LVDS and LVPECL formats is 710 MHz.

Can the device perform glitchless frequency adjustments?

Yes, the independent frequency increment/decrement feature enables glitchless frequency adjustments in 1 ppm steps.

What is the typical phase jitter performance?

The device offers a low phase jitter of 0.7 ps RMS typical.