PEF22505EV2.1-G

Telecom Overview

The PEF22505EV2.1-G is a telecommunications integrated circuit manufactured by Infineon Technologies, belonging to the QuadFALC series. It functions as a framer and Line Interface Unit (LIU) designed for digital subscriber line applications. The device supports E1, T1, J1, and HDLC interfaces and contains four independent circuits. It operates on dual power supplies of 1.8V and 3.3V within an ambient temperature range of -40°C to 85°C. The component is housed in a 160-LBGA surface-mount package.

Telecom Feature Summary

• Integrates framing and line interface unit capabilities for digital transmission systems
• Supports multiple international telecommunication standards including E1, T1, and J1
• Includes HDLC protocol handling functionality

Telecom Applications

• Digital Subscriber Line Access Multiplexer (DSLAM) equipment
• Network termination units requiring E1/T1 connectivity
• Telecommunications infrastructure hardware

Telecom Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to end-of-life status. Confirm specific ordering suffixes match required pinout and thermal specifications. Request original datasheets and test reports to ensure compliance with technical requirements before finalizing acquisition.

Telecom Selection Notes

Select this component when designing systems requiring integrated E1/T1/J1 framing and LIU functions. Ensure voltage rails support both 1.8V and 3.3V logic levels. Verify PCB layout compatibility with the 160-LBGA package dimensions and thermal dissipation needs for industrial temperature ranges.

Telecom Part Context

This part belongs to the PEF 22505 family from Infineon Technologies, specifically the QuadFALC series. It serves as a specialized solution for telecom interface applications, combining multiple channel functionalities into a single compact package to reduce board space and system complexity.

Telecom Replacement Considerations

Publicly confirmed substitute part numbers are not available. As the product is discontinued, alternative solutions require evaluation based on functional equivalence and interface compatibility rather than direct cross-referencing.