SI5338F-B04371-GM

Overview

The SI5338F-B04371-GM is a programmable quad clock generator from Skyworks Solutions. It synthesizes four independent output clocks with zero ppm frequency accuracy using MultiSynth technology. The device supports up to four differential outputs, eight single-ended outputs, or mixed configurations. Output formats include LVPECL, LVDS, HCSL, CMOS, SSTL, and HSTL, with supply voltages of 1.5 V, 1.8 V, 2.5 V, or 3.3 V per driver. It operates on a single core supply (1.8 V, 2.5 V, or 3.3 V) with typical current consumption of 45 mA. Jitter performance is 0.7 ps RMS typ. Input references range from external crystals (8–30 MHz) to differential inputs up to 710 MHz.

Feature Summary

• MultiSynth technology enables any-frequency synthesis with 0 ppm precision on four independent drivers
• Configurable output formats: LVPECL, LVDS, HCSL, CMOS, SSTL, HSTL with independent voltage levels
• Low phase jitter of 0.7 ps RMS typical
• Flexible input support: crystal, CMOS, SSTL/HSTL, and differential (up to 710 MHz)

Applications

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

Procurement Notes

Verify the specific ordering suffix B04371 against the manufacturer's official documentation to confirm the exact output configuration and pinout assignment. Ensure compatibility with I2C/SMBus programming tools such as ClockBuilder Pro for proper device initialization.

Selection Notes

Select this component when low jitter (<1 ps RMS) and flexible output format/voltage combinations are required. Verify that the maximum input frequency requirements do not exceed 710 MHz for differential inputs. Confirm that the target application fits within the -40 °C to +85 °C operating temperature range.

Part Context

This part belongs to the Si5338 family of I2C-programmable clock generators. It replaces multiple discrete oscillators by providing four independent clock signals from a single reference source. The device integrates NVM for storing configuration data, allowing for field programmability without external memory components.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.