XRT91L33AIG-F

Overview

The XRT91L33AIG-F is a multi-rate clock and timing integrated circuit manufactured by MaxLinear, Inc. Designed for SONET/SDH applications, it supports STS-12 and STS-3 signal rates. The device is housed in a TQFP-64 package and features LVPECL and LVTTL inputs alongside LVDS and LVPECL outputs. It includes a phase-locked loop with bypass capability to ensure reliable transmission within telecommunication systems.

Feature Summary

• Supports multi-rate clock generation for SONET/SDH standards including STS-12 and STS-3
• Integrates a phase-locked loop with bypass functionality for precise timing control
• Provides flexible input options via LVPECL and LVTTL interfaces
• Delivers output signals through LVDS and LVPECL formats

Applications

• SONET/SDH telecommunication system infrastructure
• Multi-rate clock distribution networks
• Timing synchronization modules for optical transport networks

Procurement Notes

This component is classified as obsolete or end-of-life by the manufacturer. Availability is restricted, and sourcing may require checking secondary market distributors. Verify RoHS compliance status and lead times carefully before integration into new designs due to discontinuation risks.

Selection Notes

Select this part for legacy SONET/SDH designs requiring STS-12/STS-3 clocking. Ensure compatibility with LVPECL/LVDS signaling requirements. Consider replacement strategies due to obsolescence. Validate package dimensions against PCB layout constraints for the TQFP-64 form factor.

Part Context

MaxLinear, Inc. specializes in analog, digital, and mixed-signal ICs for broadband and telecommunications. The XRT91L33 series addresses timing needs in high-speed data transmission environments. This specific model targets synchronous optical networking protocols, supporting critical clock recovery and distribution tasks.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. As the component is marked obsolete, engineers should consult official MaxLinear resources for current alternative solutions or design-in guides.