HC5523IMX6176C

Telecom Overview

The HC5523IMX6176C is a Subscriber Line Interface Circuit (SLIC) manufactured by Harris Corporation. It functions as an interface component within the Telecom IC category, specifically designed for analog subscriber line cards in central office and PABX switching environments. The device supports LSSGR/TR57 standards and serves as a loop carrier solution.

Telecom Feature Summary

• Provides subscriber line interface functionality for analog telephony systems
• Designed for integration into central office and PABX switch architectures
• Supports LSSGR/TR57 operational standards

Telecom Applications

• Central Office analog subscriber line cards
• PABX switch interfaces
• Loop carrier applications

Telecom Procurement Notes

Verify manufacturer documentation to confirm current availability status and compliance with RoHS directives. Ensure the specific suffix matches required pinout or thermal specifications. Cross-reference with official datasheets to validate compatibility with existing circuit designs before procurement.

Telecom Selection Notes

Select this component for applications requiring direct replacement of Ericsson PBL3764A/4 equivalents in distributed central office setups. Confirm that the analog subscriber line interface requirements align with the LSSGR/TR57 standard specifications provided in the technical documentation.

Telecom Part Context

Harris Corporation, now part of L3Harris Technologies following a 2019 merger, produces this telecom interface IC. The HC5523 series is engineered for robust performance in traditional telephony infrastructure, serving as a critical link between subscriber lines and digital switching equipment.

Telecom Replacement Considerations

Publicly confirmed interchangeable substitute: Ericsson PBL3764A/4.