SI52138-A16BGMR

Overview

The SI52138-A16BGMR is a PCIe clock generator manufactured by Skyworks Solutions Inc. It provides two differential outputs specifically designed for PCI Express applications. The device operates within a supply voltage range of 1.71 V to 3.63 V and supports input frequencies up to 200 MHz. It features low jitter performance with a typical phase jitter of 250 ps. The component is housed in a QFN-24 package and functions across an industrial temperature range from -40°C to +85°C, ensuring reliable operation in demanding electronic environments.

Feature Summary

• Dual-output architecture optimized for PCI Express clocking requirements
• Low phase jitter specification of 250 ps for signal integrity
• Wide operating voltage range from 1.71 V to 3.63 V
• Industrial temperature rating spanning -40°C to +85°C

Applications

• PCI Express peripheral cards and add-in boards
• High-speed data acquisition systems requiring precise timing
• Server and storage infrastructure clock distribution

Procurement Notes

Verify the specific suffix 'A16B' against official Skyworks documentation to confirm pinout compatibility and electrical characteristics. Ensure the QFN-24 package dimensions match the target PCB footprint. Confirm RoHS compliance status through the manufacturer's current datasheet before finalizing procurement specifications.

Selection Notes

Select this component when dual differential PCIe clocks are required with minimal jitter. Compare input frequency capabilities against the system reference source. Evaluate power consumption at 65 mA against available board power rails. Verify that the QFN-24 thermal pad design accommodates the heat dissipation needs of the application environment.

Part Context

This part belongs to the SI52138 series of PCIe clock generators. It serves as a specialized timing solution for high-speed serial interfaces. The series is engineered to meet the stringent jitter requirements of modern PCI Express standards. It complements other Skyworks timing products by providing dedicated output configurations for complex bus architectures.

Replacement Considerations

Check Skyworks documentation for direct cross-references or updated revisions within the SI52138 family. Verify if alternative suffixes offer identical electrical parameters. Ensure any substitute maintains the QFN-24 package form factor and PCIe-specific output characteristics.