SI5338L-B05814-GM

Overview

The Skyworks SI5338L-B05814-GM is a programmable quad clock generator utilizing MultiSynth technology. It synthesizes four independent output clocks with zero ppm frequency accuracy. The device supports differential and single-ended outputs, including LVPECL, LVDS, CML, HCSL, CMOS, SSTL, and HSTL formats. Maximum input frequencies reach 710 MHz via differential inputs. Output frequencies range from 0.16 to 710 MHz for differential drivers and up to 200 MHz for CMOS. It operates on a single core supply of 1.8 V, 2.5 V, or 3.3 V, consuming approximately 45 mA. The component features low phase jitter of 0.7 ps RMS typical and is housed in a 24-lead QFN package.

Feature Summary

• MultiSynth technology enables any-frequency synthesis with true zero ppm precision across four independent outputs.
• Supports flexible input references: external crystals (8–30 MHz), CMOS (5–200 MHz), SSTL/HSTL (5–350 MHz), and differential (5–710 MHz).
• Configurable output drivers support various signal formats and independent voltage levels (1.5, 1.8, 2.5, or 3.3 V).
• Features glitchless frequency adjustments in 1 ppm steps and independent phase adjustment with <20 ps resolution.

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

Procurement Notes

Verify the specific factory-programmed configuration associated with the B05814 suffix against system requirements. Confirm that the I2C/SMBus interface compatibility matches the host controller's bus specifications. Ensure the operating temperature range of -40 to +85 °C aligns with the intended deployment environment.

Selection Notes

Select this model when independent frequency synthesis for multiple domains is required within a single footprint. Verify that the target output formats (LVPECL, LVDS, etc.) are supported by the available driver configurations. Check that the maximum input frequency requirement does not exceed 710 MHz for differential sources or 200 MHz for single-ended CMOS sources.

Part Context

This component belongs to the Si5338 family of I2C-programmable clock generators. The 'L' designation typically indicates specific performance or feature variations within the series, while the alphanumeric suffix defines the factory-programmed NVM content. It serves as a replacement for multiple discrete crystal oscillators in complex digital designs.

Replacement Considerations

Publicly confirmed substitute part numbers are not provided in the source material. When replacing, ensure the new component supports the same pinout (QFN-24) and compatible I2C addressing. Verify that the replacement device offers equivalent jitter performance and output format flexibility.