SI5338Q-B05298-GMR

Application Specific Clock/Timing Overview

The SI5338Q-B05298-GMR is a programmable quad clock generator from Skyworks Solutions. It utilizes MultiSynth technology to synthesize any frequency on four independent output drivers with zero ppm precision. The device supports differential and single-ended outputs, including LVPECL, LVDS, HCSL, CMOS, SSTL, and HSTL formats. It operates with a core supply voltage of 1.8 V, 2.5 V, or 3.3 V and features low phase jitter of 0.7 ps RMS typical. The component is housed in a compact 4 x 4 mm QFN-24 package.

Application Specific Clock/Timing Feature Summary

• MultiSynth technology enables independent, any-frequency synthesis on four output drivers
• Low phase jitter of 0.7 ps RMS typical
• Supports flexible input references: external crystal (8–30 MHz), CMOS (5–200 MHz), SSTL/HSTL (5–350 MHz), and differential (5–710 MHz)
• Independent output voltage per driver: 1.5, 1.8, 2.5, or 3.3 V

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 B05298 against the manufacturer's official documentation to confirm factory-programmed parameters. Ensure compatibility with I2C/SMBus programming interfaces and check for moisture sensitivity handling requirements during assembly.

Application Specific Clock/Timing Selection Notes

Select this model when requiring four independent clock outputs with varying frequencies and signal formats. Confirm that the required input reference frequency falls within the supported ranges for the chosen input type. Verify power supply constraints match the available 1.8 V, 2.5 V, or 3.3 V core options.

Application Specific Clock/Timing Part Context

This component belongs to the Si5338 family of I2C-programmable clock generators. The family offers high-performance, low-jitter frequency synthesis suitable for replacing multiple discrete oscillators. The specific part number indicates a custom factory-programmed variant within the broader Si5338 product line.

Application Specific Clock/Timing Replacement Considerations

Direct replacements within the same family include other Si5338 variants with different ordering suffixes. Ensure functional equivalence regarding output count, frequency range, and jitter specifications before substitution.