SI53019-A02AGM

Overview

The SI53019-A02AGM is an application-specific clock buffer designed for Intel QuickPath Interconnect (QPI) and PCI Express (PCIe) systems. It provides a 1:19 fan-out ratio, distributing a single input clock to nineteen outputs. The device operates with HCSL output levels and supports frequencies up to 133.33 MHz. It is housed in a 72-QFN package measuring 10x10 mm.

Feature Summary

• Supports Intel QPI and PCIe Gen3 applications
• Provides 1:19 clock distribution ratio
• Utilizes HCSL output signaling

Applications

• Intel QuickPath Interconnect (QPI)
• PCI Express (PCIe) Gen3 systems
• High-speed serial data transmission

Procurement Notes

Verify the specific suffix A02 against the manufacturer's current documentation to ensure compatibility with target system requirements. Confirm package dimensions and pinout alignment during integration. Check for any recent product change notifications or lifecycle status updates from Skyworks Solutions prior to finalizing procurement plans.

Selection Notes

Select this component when a 1:19 fan-out is required for QPI or PCIe interfaces. Ensure the design accommodates HCSL output voltage levels. Verify that the 72-QFN footprint fits within the board layout constraints. Confirm thermal performance meets system specifications given the power dissipation characteristics of the device.

Part Context

This part belongs to Skyworks' application-specific clock timing family. It is engineered specifically for high-performance computing environments requiring reliable clock distribution for processor interconnects. The device integrates buffering capabilities to maintain signal integrity across multiple loads.

Replacement Considerations

Consult official Skyworks substitution guides for compatible alternatives. Verify electrical parameters and pinout compatibility before replacing. No direct public substitute part numbers are confirmed in available documentation.