PEF24911HV2.1

Telecom Overview

The PEF24911HV2.1 is a quad ISDN digital front-end (DFE) integrated circuit manufactured by Infineon Technologies. It integrates four independent echo cancellers designed for 2B1Q line coding schemes used in Basic Rate Interface (BRI) applications. The device provides complete signal processing capabilities for ISDN subscriber lines, including analog interface functions, echo cancellation, and data transmission support. It is housed in a MQFP-64 package and supports surface mount technology.

Telecom Feature Summary

• Integrates four independent echo cancellers for simultaneous ISDN BRI channel processing
• Supports 2B1Q line coding standard for digital subscriber loops
• Provides complete digital front-end functionality for ISDN network termination equipment

Telecom Applications

• ISDN Basic Rate Interface (BRI) network termination units
• Digital subscriber loop access systems
• Telecommunications exchange equipment requiring multi-channel echo cancellation

Telecom Procurement Notes

Verify component authenticity through authorized distribution channels due to limited availability status. Confirm package integrity and pin configuration against the MQFP-64 specification before integration. Check for obsolescence notices or end-of-life notifications from Infineon Technologies prior to finalizing procurement plans.

Telecom Selection Notes

Select this component for designs requiring integrated quad-channel ISDN echo cancellation with 2B1Q compatibility. Ensure system architecture supports the specific voltage requirements and clocking configurations defined in the datasheet. Evaluate thermal management needs associated with the MQFP-64 package density.

Telecom Part Context

This IC belongs to the PEF24911 series of telecom interface components. It serves as a specialized solution for ISDN infrastructure, replacing discrete echo cancellation circuits. The HV2.1 designation indicates a specific hardware revision within the product family.

Telecom Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing board layouts if considering alternative quad-channel ISDN DFE solutions.