PM8571B-F3EI

Overview

The PM8571B-F3EI is a PCIe Gen 3 switch manufactured by Microchip Technology, belonging to the Switchtec family. It provides 64 lanes and 32 ports for high-bandwidth data routing. The device operates within a temperature range of -40°C to +105°C and utilizes an FCBGA-650 surface-mount package. Management interfaces include 2-Wire, GPIO, JTAG, and UART protocols. This component is designed for robust signal integrity in demanding industrial and enterprise environments.

Feature Summary

• Supports PCIe Gen 3 standard for high-speed serial communication
• Provides extensive connectivity with 64 lanes and 32 ports
• Includes comprehensive management interfaces for system control

Applications

• Enterprise server infrastructure
• Storage area networks (SAN)
• Industrial automation systems

Procurement Notes

Verify the specific ordering suffix against official Microchip documentation to ensure correct package and temperature grade. Confirm RoHS compliance status through the manufacturer's datasheet before procurement. Ensure supply chain authenticity by sourcing from authorized distributors only.

Selection Notes

Select this model when a high-port-count PCIe Gen 3 switch is required. Compare lane counts and port density against alternative Switchtec variants. Verify that the FCBGA-650 package fits the target PCB layout constraints. Check thermal requirements against the specified operating temperature range.

Part Context

This part belongs to the Microchip Switchtec PCIe switch family. It complements lower-density models like the PM8532B and higher-density options within the same product line. The Switchtec architecture emphasizes low latency and high reliability for critical data paths.

Replacement Considerations

Check for direct pin-compatible upgrades within the Switchtec series. Verify electrical compatibility with existing PCIe root complexes. Review datasheets for any functional differences between legacy and current revisions.