SI52146-A01AGMR

Overview

The SI52146-A01AGMR is a six-output PCIe clock generator compliant with Gen 1, Gen 2, Gen 3, Gen 3 SRNS, and Gen 4 common clock specifications. It accepts a 25 MHz crystal or clock input to generate differential HCSL-compatible outputs. Key electrical parameters include a 3.3 V operating voltage (3.135–3.465 V), a dynamic supply current of 60 mA with all outputs enabled, and an industrial temperature range of –40 °C to +85 °C. The device features dedicated output enable pins for each clock and supports I2C configuration.

Feature Summary

• Compliant with PCIe Gen 1, Gen 2, Gen 3, Gen 3 SRNS, and Gen 4 common clock standards
• Six low-power push-pull HCSL compatible differential outputs requiring no termination resistors
• Dedicated output enable control pins for individual clock management
• Pin-selectable spread spectrum control for EMI reduction

Applications

• Network attached storage
• Multi-function printer
• Wireless access point
• Switches

Procurement Notes

Verify the ordering suffix 'R' indicates tape and reel packaging rather than tray. Confirm the specific revision code via the I2C Vendor ID register if required for production traceability. Ensure the design accommodates the 32-pin QFN land pattern dimensions specified in the datasheet.

Selection Notes

Select this component when a system requires up to six differential PCIe clocks from a single source. It is suitable for applications needing Gen 4 compliance without separate reference clocks. Verify that the available 25 MHz input frequency matches the target output requirements.

Part Context

This part belongs to the Skyworks Si52146 family of high-performance clock generators. The 'A01' designation typically refers to the factory-programmed configuration, while the 'GM' suffix denotes the 32-pin QFN package type. The 'R' suffix specifically identifies the tape and reel shipping format.

Replacement Considerations

Public confirmed substitute part numbers are not provided in the verified documentation.