SI5338L-B04358-GMR

Overview

The SI5338L-B04358-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 for LVDS/LVPECL/CML formats and 200 MHz for CMOS. The device features low phase jitter of 0.7 ps RMS typical, zero ppm frequency accuracy, and flexible input references including external crystals (8–30 MHz), CMOS (5–200 MHz), and differential inputs (up to 710 MHz). Powered by a single core supply of 1.8, 2.5, or 3.3 V, it operates within a temperature range of –40 to +85 °C in a 24-lead QFN package.

Feature Summary

• MultiSynth™ technology enables independent, any-frequency synthesis on four output drivers with 0 ppm precision.
• Low phase jitter performance of 0.7 ps RMS typical, compliant with PCIe Gen 1/2/3/4 Common Clock standards.
• Flexible input options supporting external crystals (8–30 MHz), CMOS (5–200 MHz), SSTL/HSTL (5–350 MHz), and differential inputs (5–710 MHz).
• Independently configurable output drivers support various signal formats (LVPECL, LVDS, CML, HCSL, CMOS, SSTL/HSTL) and supply voltages (1.5, 1.8, 2.5, or 3.3 V).

Applications

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

Procurement Notes

Verify the specific ordering suffix B04358 against the manufacturer's current documentation to confirm factory-programmed configuration parameters. Ensure compatibility with I2C/SMBus interface requirements and check for moisture sensitivity handling instructions during storage and assembly.

Selection Notes

Select this component when multiple independent clock frequencies are required from a single IC. Confirm that the desired output formats (differential vs. single-ended) and voltage levels match the target load requirements. Validate that the input reference source falls within the supported frequency ranges for the chosen input pin configuration.

Part Context

This part belongs to the Si5338 family of I2C-programmable clock generators. The 'B' suffix typically denotes a specific factory-programmed configuration variant within the series. The 'GMR' suffix indicates tape-and-reel packaging suitable for automated surface-mount assembly.

Replacement Considerations

Direct replacements must be verified against the official Skyworks substitution guide. Other Si5338 variants may differ in pre-programmed frequencies or output configurations despite sharing the same package and electrical specifications.