PEX8725-CA80BC G

Analog Switches - Special Purpose Overview

The PEX8725-CA80BC G is a PCI Express Gen 3 switch featuring 24 lanes and 10 ports. It integrates an 8.0 GT/s SerDes within a 19x19mm², 324-pin FCBGA package. The device supports PCIe Base Specification r3.0 with backward compatibility to r1.0a/1.1 and 2.0. Typical power consumption is 5.4 Watts. It offers packet cut-thru with a maximum latency of 132ns (x8 to x8) and supports a 2KB Max Payload Size. Operating temperature ranges from 0°C to +70°C.

Analog Switches - Special Purpose Feature Summary

• Multi-host architecture supporting up to four host ports with 1+1 or N+1 failover capabilities
• Integrated DMA engine with four channels for high data rate transfers independent of switch functions
• PerformancePAK features including Read Pacing, Multicast, and Dynamic Buffer/FC Credit Pool management
• visionPAK diagnostics suite providing per-port performance monitoring, SerDes Eye Capture, and error injection

Analog Switches - Special Purpose Applications

• Host-centric fan-out in multi-processor server designs
• Multi-host systems requiring isolated virtual switches for multiple servers
• High availability applications utilizing host fail-over mechanisms
• Storage array clusters implementing N+1 fail-over configurations

Analog Switches - Special Purpose Procurement Notes

Verify the component against official Broadcom datasheets to confirm pinout and electrical specifications. Ensure the ordering suffix matches the required RoHS compliance and packaging type. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and avoid counterfeit components during acquisition.

Analog Switches - Special Purpose Selection Notes

Select this model when a non-blocking switch fabric with full line rate on all ports is required. Consider the integrated DMA engine if processor offloading is necessary. Evaluate the Multi-Host mode requirements for redundancy needs. Verify that the 324-pin FCBGA package fits the target PCB layout constraints and thermal design power limits.

Analog Switches - Special Purpose Part Context

This component belongs to the PEX 8725 series of PCI Express Gen 3 switches. It utilizes an enhanced version of the PEX8724 architecture to support multi-host configurations. The device is designed for scalable, high-bandwidth interconnection in servers, storage, communications, and graphics platforms.

Analog Switches - Special Purpose Replacement Considerations

PEX8724-CA80BC G is a related component offering 6 downstream ports instead of 10.