PEF20550HV2.1

Telecom Overview

The PEF20550HV2.1 is a telecom interface integrated circuit manufactured by Infineon Technologies, designed for T/E line interface unit applications. It supports data rates up to 2.048 Mb/s and features four channels. The device operates within a power supply voltage range of 2.4 V to 4.5 V. It is housed in a TQFP-144 surface-mount package. This component belongs to the T1/E1/J1 Framer & Line Interface Units category.

Telecom Feature Summary

• Supports T1/E1/J1 framing and line interface functions
• Four-channel architecture for multi-line connectivity
• Operates with dual voltage supplies ranging from 2.4 V to 4.5 V

Telecom Applications

• Telecommunications network infrastructure equipment
• T1/E1/J1 line interface units
• Digital subscriber line access multiplexers

Telecom Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status via official documentation. Check current lifecycle status as availability may be restricted. Ensure proper handling for ESD-sensitive components during installation.

Telecom Selection Notes

Evaluate channel count requirements against system design needs. Verify voltage compatibility with existing power rails. Consider package type suitability for PCB layout constraints. Assess thermal management requirements for the TQFP-144 housing.

Telecom Part Context

This part belongs to Infineon's portfolio of telecom interface ICs. It serves as a specialized solution for digital telephony applications requiring reliable T1/E1/J1 signal processing. The product line focuses on providing robust connectivity for carrier-grade networks.

Telecom Replacement Considerations

Consult official cross-reference lists for verified substitutes. Ensure functional equivalence in framing capabilities and channel configuration. Validate pinout compatibility if direct replacement is required.