SI5338Q-B04172-GMR

Application Specific Clock/Timing Overview

The SI5338Q-B04172-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, CML, 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 of 0.7 ps RMS typical value
• Supports PCIe Gen 1/2/3/4 Common Clock and Gen 3 SRNS compliance
• Independent glitchless frequency adjustment in 1 ppm steps

Application Specific Clock/Timing Applications

• Ethernet switch/router timing
• PCIe Gen1/2/3/4 clock generation
• Processor and FPGA clocking
• Broadcast video/audio timing

Application Specific Clock/Timing Procurement Notes

Verify the specific ordering suffix B04172 against the manufacturer's official documentation to confirm the programmed frequency plan and output configuration. Ensure compatibility with I2C bus voltage levels (1.71 V to 3.63 V) and check for moisture sensitivity handling requirements during assembly.

Application Specific Clock/Timing Selection Notes

Select this component when replacing multiple crystal oscillators with a single programmable source. Ensure the required output frequencies fall within the supported ranges: LVPECL/LVDS/CML up to 710 MHz, HCSL up to 250 MHz, and CMOS up to 200 MHz. Verify that the input reference signal matches the supported formats, such as external crystals (8-30 MHz) or differential inputs (up to 710 MHz).

Application Specific Clock/Timing Part Context

This part belongs to the Si5338 family of I2C-programmable any-frequency, any-output quad clock generators. It is designed to replace discrete oscillators and provide precise clock synthesis for high-speed digital interfaces. The QFN-24 package offers a compact footprint suitable for space-constrained designs.

Application Specific Clock/Timing Replacement Considerations

Direct functional replacements within the same family include SI5338A-B-GM and SI5338Q-B-GMR. When substituting, verify that the pinout remains identical (QFN-24) and that the new part supports the specific frequency plan and output drive strengths required by the application.