SI5338P-B05983-GM

Application Specific Clock/Timing Overview

The SI5338P-B05983-GM is a programmable quad clock generator from Skyworks Solutions, utilizing MultiSynth technology for independent frequency synthesis on four output drivers. It supports differential and single-ended outputs including LVPECL, LVDS, CML, HCSL, CMOS, SSTL, and HSTL. The device accepts flexible input references up to 710 MHz via differential or single-ended interfaces. Key electrical parameters include a core supply voltage range of 1.71 V to 3.63 V (1.8 V, 2.5 V, or 3.3 V nominal), a typical operating current of 45 mA, and a maximum output frequency of 710 MHz for differential formats. It operates within an ambient temperature range of –40 °C to +85 °C.

Application Specific Clock/Timing Feature Summary

• MultiSynth technology enables independent, any-frequency synthesis with zero ppm accuracy on four output drivers.
• Low phase jitter performance of 0.7 ps RMS typical value.
• Highly configurable output drivers supporting up to four differential or eight single-ended outputs.
• I2C/SMBus compatible interface for programming via ClockBuilder Pro software.

Application Specific Clock/Timing Applications

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

Application Specific Clock/Timing Procurement Notes

Verify the specific factory-programmed configuration associated with the B05983 suffix against the target design requirements. Confirm that the QFN-24 package dimensions and thermal characteristics align with the PCB land pattern specifications provided in the datasheet. Ensure I2C pull-up voltages are compatible with the selected core supply voltage.

Application Specific Clock/Timing Selection Notes

Select this component when independent frequency synthesis across multiple outputs is required without external oscillators. Verify that the desired output signal formats (LVPECL, LVDS, etc.) and frequencies fall within the supported ranges defined in the electrical specifications. Consider the 45 mA typical supply current for power budget calculations and ensure the 4x4 mm QFN footprint fits the mechanical constraints.

Application Specific Clock/Timing Part Context

This part belongs to the Si5338 family of I2C-programmable clock generators. The 'P' designation typically indicates a specific factory-programmed configuration variant within the series. The device replaces multiple discrete crystal oscillators, reducing board space and simplifying design complexity by providing precise, glitch-free frequency adjustments.

Application Specific Clock/Timing Replacement Considerations

Direct pin-to-pin replacements within the same family require matching the factory-programmed NVM content. Verify that alternative SKUs support the same output formats and frequency ranges. Check for updates in the latest datasheet revision regarding errata or recommended operating conditions.