SI5338Q-B04735-GM

Application Specific Clock/Timing Overview

The SI5338Q-B04735-GM is a programmable quad clock generator utilizing MultiSynth technology. It synthesizes any frequency up to 710 MHz on four independent outputs with zero ppm precision. The device supports differential and single-ended formats including LVPECL, LVDS, CML, HCSL, CMOS, SSTL, and HSTL. It operates from a 1.8 V, 2.5 V, or 3.3 V core supply with a typical current of 45 mA. Key electrical parameters include a maximum input frequency of 710 MHz, a typical RMS jitter of 0.7 ps, and an operating temperature range of -40 °C to +85 °C.

Application Specific Clock/Timing Feature Summary

• MultiSynth technology enables independent, any-frequency synthesis on four output drivers with 0 ppm accuracy.
• Supports flexible input references: external crystals (8-30 MHz), CMOS (5-200 MHz), SSTL/HSTL (5-350 MHz), and differential inputs (5-710 MHz).
• Configurable output drivers support various signal formats and independent supply voltages (1.5, 1.8, 2.5, or 3.3 V).
• Features glitchless frequency adjustments in 1 ppm steps and independent phase adjustment with <20 ps resolution.

Application Specific Clock/Timing Applications

• PCIe Gen 1/2/3/4 Common Clock and Gen 3 SRNS compliant timing
• Ethernet switch/router clocking
• Processor and FPGA clocking
• Broadcast video/audio timing

Application Specific Clock/Timing Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm factory programming configurations. Ensure compatibility with I2C/SMBus interface requirements and check for moisture sensitivity handling procedures during assembly.

Application Specific Clock/Timing Selection Notes

Select this component when independent frequency synthesis across multiple outputs is required. Verify that the target output voltage levels (LVPECL, LVDS, etc.) match the available driver configurations. Confirm that the input reference source falls within the supported frequency ranges for the chosen input type.

Application Specific Clock/Timing Part Context

This part belongs to the Si5338 family of I2C-programmable clock generators. It is designed to replace multiple discrete crystal oscillators in high-performance digital systems. The QFN-24 package provides a compact footprint suitable for space-constrained PCB layouts.

Application Specific Clock/Timing Replacement Considerations

Consult the Skyworks Solutions replacement guide for verified cross-references. Ensure that any substitute device maintains compatible pinout, voltage levels, and jitter performance specifications.