PEX8612-BB50RBC G

Analog Switches - Special Purpose Overview

The PEX8612-BB50RBC G is a PCI Express Gen2 switch IC manufactured by Broadcom Limited. It features 12 lanes and 3 ports, supporting data rates of 5.0 GT/s. The device is housed in a 324-ball FCBGA package designed for surface mount technology. It operates within a commercial temperature range of -5°C to +85°C. The component supports I2C interface management and complies with RoHS3 standards. Moisture sensitivity level is classified as MSL 4 (72 hours). This specific part number is officially discontinued and no longer in production.

Analog Switches - Special Purpose Feature Summary

• Provides non-blocking switching capability for PCIe Gen2 endpoints
• Supports multi-host architecture configurations for server applications
• Integrates high-performance packet memory and flexible buffer pools

Analog Switches - Special Purpose Applications

• Server fan-out and aggregation interconnects
• Peer-to-peer Multi-Host Architecture systems
• Clustered system implementations requiring host failover

Analog Switches - Special Purpose Procurement Notes

This component is officially discontinued by the manufacturer. Availability is restricted to existing stock or surplus channels only. Verification of authenticity and condition is critical when sourcing from third-party distributors. No new manufacturing units are produced. Buyers should confirm the specific revision and ensure compatibility with replacement strategies before procurement attempts.

Analog Switches - Special Purpose Selection Notes

Designers must account for the end-of-life status when selecting this component. The recommended replacement is the PEX8714-AB80BI G, which offers updated specifications. Compatibility checks regarding pinout and software configuration are necessary when migrating to newer generations. Legacy designs relying on this specific silicon must plan for obsolescence management and long-term supply chain risks associated with discontinued parts.

Analog Switches - Special Purpose Part Context

The PEX8612 belongs to the ExpressLane family of PCIe switches from Broadcom/Avago. It serves as an intermediate-tier solution compared to higher-lane models like the PEX8696. The BB50 suffix indicates specific packaging and thermal characteristics. It was widely used in enterprise storage and networking infrastructure prior to the transition to PCIe Gen3 and Gen4 technologies.

Analog Switches - Special Purpose Replacement Considerations

Broadcom recommends the PEX8714-AB80BI G as the official substitute. This replacement offers enhanced lane counts and modern interface speeds. Engineers must verify mechanical footprint compatibility and update firmware drivers accordingly.