SI5338M-B05735-GMR

Overview

The SI5338M-B05735-GMR is a programmable quad clock generator from Skyworks Solutions, utilizing MultiSynth technology to synthesize any frequency on four independent output drivers. It supports differential and single-ended outputs with frequencies up to 710 MHz. The device operates on a single core supply of 1.8 V, 2.5 V, or 3.3 V, drawing a typical current of 45 mA. It features low phase jitter of 0.7 ps RMS and accepts flexible inputs including external crystals (8–30 MHz), CMOS (up to 200 MHz), SSTL/HSTL (up to 350 MHz), and differential signals (up to 710 MHz). Configuration is managed via an I²C/SMBus interface.

Feature Summary

• MultiSynth™ technology enables independent, any-frequency synthesis on four output drivers with zero ppm precision.
• Flexible input options support external crystals, CMOS, SSTL/HSTL, and differential signals up to 710 MHz.
• Independently configurable outputs support LVPECL, LVDS, HCSL, CMOS, SSTL, and HSTL formats with individual voltage supplies.
• Integrated spread spectrum capability allows modulation rates from 33 to 63 kHz with spreads between 0.5% and 5.0%.

Applications

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

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm the programmed configuration, as the base part number refers to the general device family. Ensure compatibility with the required I²C bus voltage levels and check for moisture sensitivity handling requirements during storage and assembly.

Selection Notes

Select this component when designing systems requiring multiple asynchronous clock domains derived from a single reference. Verify that the target output signal formats (LVDS, LVPECL, etc.) and frequencies align with the device's electrical specifications. Confirm that the available input source matches one of the supported types, such as differential or single-ended CMOS.

Part Context

This device belongs to the Si5338 family of high-performance clock generators. It is designed to replace multiple discrete crystal oscillators in complex digital systems. The 'GMR' suffix indicates it is supplied in a tape and reel packaging format suitable for automated surface-mount assembly processes.

Replacement Considerations

Direct pin-to-pin replacements within the same package require identical programming configurations. Verify that alternative part numbers support the same output drive strengths and jitter performance metrics required by the application design.