PM5376H-FXI

Telecom Overview

The PM5376H-FXI is a telecom interface integrated circuit manufactured by Microchip Technology, designed for high-speed optical transport networks. It functions as a TSE Nx160 device supporting STS interfaces with a data rate of 160 Gbps. The component enables scalable cross-connect capabilities ranging from 160G to 640G for 64-port STS-1 configurations. Classified under Telecom Interface ICs, it serves as an electronic interface kit for complex signal routing in telecommunications infrastructure.

Telecom Feature Summary

• Supports STS interface protocols for optical transport applications
• Enables scalable cross-connect functionality across multiple capacity tiers
• Designed for integration into telecom network equipment requiring high-speed signal processing

Telecom Applications

• Optical transport network systems
• Telecommunications infrastructure equipment
• High-speed signal cross-connect modules

Telecom Procurement Notes

This component is officially listed as obsolete or discontinued by the manufacturer. Availability is restricted, and Mouser Electronics indicates that the product is not currently sold in certain regions. Buyers must verify current supply status through authorized channels, as standard distribution may be unavailable. Sourcing should focus on verified surplus suppliers or direct manufacturer inquiries regarding end-of-life support.

Telecom Selection Notes

Engineers selecting this part must account for its discontinued status when designing new systems. The PM5376H-FXI is specific to legacy or existing telecom architectures utilizing STS-1 cross-connects at 160G speeds. Replacement strategies should prioritize components with compatible interface standards and throughput requirements, ensuring backward compatibility if upgrading existing network hardware.

Telecom Part Context

The PM5376H series belongs to Microchip's portfolio of telecom interface solutions, specifically targeting SONET/SDH network requirements. This model represents a specialized solution for managing high-density optical signals within carrier-grade equipment. Its design supports the integration of multiple ports into a unified switching fabric for efficient data transmission management.

Telecom Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Due to the discontinued status, engineers should consult Microchip technical support for recommended modern equivalents that match the 160G STS interface specifications.