PM50084B1-FEI

Overview

The PM50084B1-FEI is a Switchtec PFX Gen 5 Fanout PCIe switch supporting 84 lanes and 22 virtual switch partitions. It features up to 44 hot-plug controllers per port, advanced error containment including AER and DPC, and an integrated MIPS processor. The device supports PCIe Gen 5 at 32 GT/s with high-reliability interfaces for data center and industrial applications.

Feature Summary

• High-performance non-blocking architecture with logical non-transparent interconnect capabilities
• Advanced error containment mechanisms including Downstream Port Containment and Completion Timeout Synthesis
• Comprehensive diagnostics and debug tools with real-time eye capture and external loopback

Applications

• Data center equipment
• Defense and industrial servers
• Cellular infrastructure

Procurement Notes

Verify the exact part number PM50084B1-FEI against official Microchip documentation to ensure correct lane count and partition configuration. Confirm package type and temperature grade requirements before procurement. Cross-reference ordering information sheets for availability and lead times.

Selection Notes

Select this model for systems requiring 84 lanes of PCIe connectivity. Compare against PM50100B1-FEI for higher capacity or PM50068B1-FEI for lower lane counts. Ensure compatibility with existing host architectures and NVMe SSD configurations in fanout topologies.

Part Context

This component belongs to the Switchtec PFX/PSX Gen 5 Fanout PCIe Switch Family. It is designed for high-reliability applications requiring extensive I/O expansion and robust error handling within modern PCIe Gen 5 ecosystems.

Replacement Considerations

Direct substitutes include other variants within the Switchtec PFX Gen 5 family such as PM50100B1-FEI or PM50068B1-FEI, depending on specific lane and partition requirements. Verify pin-to-pin compatibility and firmware support.