SI52112-B6-GT

Overview

The SI52112-B6-GT is a PCIe Gen 3 dual output clock generator manufactured by Skyworks Solutions, Inc. It sources two differential HCSL clocks from a 25 MHz crystal or clock input, supporting PCIe Gen 1, Gen 2, and Gen 3 common clock specifications as well as Gen 3 SRNS. The device features triangular spread spectrum modulation with a -0.5% down spread range to reduce EMI. It operates on a 3.3 V supply with a maximum current of 17 mA and functions within an extended temperature range of -40 °C to +85 °C.

Feature Summary

• PCIe Gen 1, Gen 2, and Gen 3 common clock compliant
• Gen 3 SRNS compliant
• -0.5% triangular spread spectrum for EMI reduction
• Low power HCSL differential outputs

Applications

• Network attached storage
• Multi-function printer
• PCIe Add-on Cards
• Network Interface Cards
• Wireless access point

Procurement Notes

Verify the ordering suffix 'GT' corresponds to the 8-pin TSSOP package in official documentation. Confirm RoHS compliance and lead-free status. Ensure the specific revision matches design requirements. Check for tape and reel availability if automated assembly is needed.

Selection Notes

Select this model over the B5 variant when spread spectrum functionality is required for EMI mitigation. Verify that the 8-pin TSSOP footprint fits the PCB layout constraints. Ensure the 25 MHz input source meets the duty cycle and jitter specifications defined in the datasheet.

Part Context

This component belongs to the Si52112-B5/B6 family of PCIe clock generators. The B6 designation specifically indicates support for spread spectrum outputs, distinguishing it from the non-spread B5 series. Both variants share identical electrical performance except for the modulation feature.

Replacement Considerations

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