SI5338A-B05430-GMR

Overview

The SI5338A-B05430-GMR is a programmable quad clock generator utilizing MultiSynth technology. It synthesizes four independent output clocks with zero ppm precision from a single core supply of 1.8, 2.5, or 3.3 V. The device supports input frequencies up to 710 MHz and generates outputs ranging from 0.16 MHz to 710 MHz. Key electrical parameters include a typical RMS jitter of 0.7 ps, a maximum operating temperature of +85 °C, and a typical core supply current of 45 mA. It is housed in a 24-lead QFN package.

Feature Summary

• MultiSynth technology enables any-frequency synthesis on four differential output drivers with 0 ppm precision.
• Supports PCIe Gen 1/2/3/4 Common Clock and Gen 3 SRNS compliance.
• Flexible output drivers configurable for LVPECL, LVDS, HCSL, CMOS, SSTL, HSTL, or CML formats.
• Independent frequency increment/decrement feature allows glitchless adjustments in 1 ppm steps.

Applications

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

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm factory pre-programming settings. Confirm that the component meets RoHS standards and check for moisture sensitivity levels prior to surface mount assembly.

Selection Notes

Select this model when independent, any-frequency synthesis is required for multiple clock domains. Ensure the application supports the specified input reference types, such as external crystals (8–30 MHz) or differential inputs up to 710 MHz, to utilize the full performance capabilities.

Part Context

This component belongs to the Si5338 family of I2C-programmable clock generators. It replaces discrete crystal oscillators by providing low-jitter frequency synthesis in a compact 4 x 4 mm QFN package, suitable for space-constrained high-performance designs.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify compatibility with existing board layouts and programming configurations before considering alternative devices.

FAQ

What is the maximum input frequency supported by the SI5338A-B05430-GMR?

The device supports a maximum differential input frequency of 710 MHz.

Does the SI5338 support glitch-free frequency changes?

Yes, it features an independent frequency increment/decrement capability that enables glitchless frequency adjustments in 1 ppm steps.

What is the typical phase jitter performance of this clock generator?

The device offers a typical phase jitter of 0.7 ps RMS under standard operating conditions.