89H48H12AG2ZCBLG

Overview

The 89H48H12AG2ZCBLG is a specialized interface integrated circuit manufactured by Renesas Electronics Corporation, functioning as a PCI Express switch. It provides 48 PCIe Gen2 lanes and supports 12 ports for high-performance system interconnect switching. The device utilizes a non-blocking architecture optimized for deterministic throughput across multiple traffic flows. It is housed in a 676-FCBGA package with dimensions of 27x27 mm. The component operates on a 3.3V supply voltage and is designed for surface mount installation. This part is identified as obsolete within the manufacturer's catalog.

Feature Summary

• Non-blocking switch architecture ensuring full line rate throughput regardless of switch loading
• Partionable switch architecture supporting true multi-root configurations
• Internal buffering and flow control credits optimized for maximum bandwidth and large payloads

Applications

• High performance system interconnect switching
• Multi-root server architectures
• Storage area network (SAN) connectivity

Procurement Notes

This component is officially listed as obsolete by the manufacturer. Verification of availability requires checking authorized distributors for remaining stock or evaluating alternative packaging options such as tape and reel variants if applicable. Designers should confirm end-of-life status and transition plans before finalizing procurement strategies.

Selection Notes

Select this component only for legacy systems requiring 48 lanes and 12 ports of PCIe Gen2 connectivity. Verify compatibility with existing root complex hardware and software drivers. Consider the FCBGA package requirements for PCB layout and thermal management during the design phase.

Part Context

The 89H48H12AG2ZCBLG belongs to the 89H48H12 family of PCIe switches from Renesas. It shares architectural similarities with other models like the 89H48H12G2 but may differ in specific suffix designations related to temperature grades or packaging types. It serves as a critical node for expanding PCIe connectivity in enterprise environments.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Users must consult Renesas technical support for current replacement recommendations or equivalent products within the updated portfolio.