SI5338Q-B04428-GMR

Application Specific Clock/Timing Overview

The SI5338Q-B04428-GMR is a programmable quad clock generator utilizing MultiSynth technology to synthesize any frequency on four independent output drivers. It supports differential and single-ended outputs with formats including LVPECL, LVDS, HCSL, CMOS, SSTL, and HSTL. The device operates from a 1.8 V, 2.5 V, or 3.3 V core supply and accepts inputs up to 710 MHz. Key electrical parameters include a typical phase jitter of 0.7 ps RMS, a maximum input frequency of 710 MHz, and an operating temperature range of -40°C to +85°C.

Application Specific Clock/Timing Feature Summary

• I2C/SMBus programmable interface for flexible configuration
• Low phase jitter performance (0.7 ps RMS typical)
• Independent output voltage control (1.5V, 1.8V, 2.5V, 3.3V)
• Glitchless frequency adjustment via increment/decrement features

Application Specific Clock/Timing Applications

• PCIe Gen 1/2/3/4 common clock and SRNS generation
• Ethernet switch and router timing
• Processor and FPGA clocking systems
• Telecom line cards and broadcast video/audio timing

Application Specific Clock/Timing Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to confirm factory programming settings. Confirm package availability and moisture sensitivity level requirements prior to assembly planning.

Application Specific Clock/Timing Selection Notes

Select this component when zero ppm frequency accuracy and low jitter are required across multiple independent clocks. Ensure the target output format and voltage levels match the load requirements. Use ClockBuilder Pro software for register configuration.

Application Specific Clock/Timing Part Context

This part belongs to the Si5338 family of I2C-programmable clock generators. It replaces discrete crystal oscillators and provides high-performance frequency synthesis in a compact 24-lead QFN package suitable for space-constrained designs.

Application Specific Clock/Timing Replacement Considerations

Consult official Skyworks substitution guides for verified replacements. Generic cross-model substitutions may differ in pinout or electrical characteristics.