XRT81L27IV

Specialized Overview

The XRT81L27IV is a seven-channel, analog line interface unit (LIU) from MaxLinear. It operates on a single 3.3V supply and utilizes low-power CMOS technology. The component is housed in a robust 128-pin TQFP package designed for efficient E1 connection applications. This integrated circuit provides optimized performance for telecom line interfacing tasks.

Specialized Feature Summary

• Seven-channel analog line interface capability
• Single 3.3V power supply operation
• Low-power CMOS fabrication process
• 128-pin TQFP packaging for thermal efficiency

Specialized Applications

• E1 connection systems
• Telecom line interface units
• Cordless phone base stations

Specialized Procurement Notes

Verify the specific suffix IV against official MaxLinear documentation to confirm pinout and electrical characteristics. Ensure compatibility with existing PCB layouts requiring a 128-pin TQFP footprint. Check for any recent product change notifications regarding lead finish or material composition updates before finalizing procurement orders.

Specialized Selection Notes

Select this component when designing systems requiring multiple analog channels within a single LIU architecture. The 3.3V operating voltage makes it suitable for modern low-voltage digital interfaces. Consider the 128-pin TQFP package size constraints during mechanical design to ensure adequate thermal dissipation and board space allocation.

Specialized Part Context

This part belongs to the XRT series of line interface units manufactured by MaxLinear. These components are specialized for telecommunications infrastructure, providing the necessary physical layer connectivity for standard digital transmission protocols like E1.

Specialized Replacement Considerations

Consult official MaxLinear substitution guides for verified alternatives. Generic cross-references may not match the specific seven-channel configuration or 128-pin TQFP requirements.