SI5338A-B01225-GM

Overview

The SI5338A-B01225-GM is a programmable quad clock generator utilizing MultiSynth technology to synthesize any frequency with zero ppm precision on four independent output drivers. It operates from a single core supply of 1.8, 2.5, or 3.3 V and supports flexible input references including differential clocks up to 710 MHz. The device features low phase jitter of 0.7 ps RMS typical, glitchless frequency adjustments in 1 ppm steps, and configurable spread spectrum capabilities. Packaged in a compact 4x4 mm QFN-24, it allows independent voltage selection per driver.

Feature Summary

• MultiSynth technology enables independent synthesis of any frequency on four outputs with 0 ppm accuracy
• Low phase jitter performance of 0.7 ps RMS typical
• Flexible input support for external crystals (8-30 MHz), CMOS (up to 200 MHz), and differential inputs (up to 710 MHz)
• Configurable output formats including LVPECL, LVDS, CML, HCSL, CMOS, SSTL, and HSTL

Applications

• PCIe Gen 1/2/3/4 common clock and SRNS generation
• Ethernet switch and router timing
• Processor and FPGA clocking
• Broadcast video and audio timing
• Telecom line cards and MSAN/DSLAM/PON systems

Procurement Notes

Verify the specific ordering suffix B01225 against the manufacturer's current documentation to confirm factory programming parameters. Ensure I2C pull-up voltages are compatible with the selected core supply voltage. Confirm package marking requirements and moisture sensitivity levels prior to assembly.

Selection Notes

Select this component when replacing multiple discrete oscillators with a single programmable source. Ensure the required output frequencies fall within the supported ranges for the chosen signal format. Verify that the input reference source matches the device's electrical specifications for the intended mode.

Part Context

This part belongs to the Si5338 family of I2C-programmable clock generators. The 'A' designation typically indicates specific performance characteristics or revisions within the series. The 'GM' suffix denotes the 24-lead QFN package type used for surface-mount applications.

Replacement Considerations

Direct replacements must match the 24-QFN footprint and pinout. Verify that substitute devices support the same MultiSynth architecture and I2C interface if dynamic reconfiguration is required.