89H48H12BG2ZCBLG

Overview

The Renesas Electronics Corporation 89H48H12BG2ZCBLG is a specialized interface integrated circuit functioning as a PCI Express switch. It provides 48 PCIe Gen2 lanes and 12 switch ports, delivering high-performance, deterministic system interconnect switching with full line rate, non-blocking throughput for multiple traffic flows. The device utilizes a partitionable switch architecture to support true multi-root configurations and incorporates internal buffering with flow control credits optimized for maximum bandwidth and large payloads. It operates on a 3.3V supply voltage and is housed in a 676-FCBGA package measuring 27x27 mm.

Feature Summary

• Non-blocking switch architecture optimized for high-performance system interconnect applications
• Partitionable switch architecture enabling true multi-root support capabilities
• Internal buffering and flow control credits designed for maximum bandwidth and large payload handling

Applications

• High-performance system interconnect switching
• Multi-root server architectures
• PCIe Gen2 network infrastructure

Procurement Notes

This component is officially listed as obsolete by the manufacturer. Verification of availability requires checking authorized distributors for remaining stock or alternative packaging types such as tape and reel variants. Confirm RoHS3 compliance and moisture sensitivity level (MSL 4) prior to integration into production workflows.

Selection Notes

Select this part for designs requiring 48 lanes and 12 ports of PCIe Gen2 connectivity. Ensure compatibility with the 676-FCBGA footprint and 3.3V power domain. Verify that the operating temperature range meets system requirements and that the MSL rating aligns with assembly process constraints.

Part Context

The 89H48H12BG2ZCBLG belongs to the IDT 89HPES48H12G2 family of PCIe switches. It serves as a legacy solution for high-density interconnect needs before the widespread adoption of PCIe Gen3 and Gen4 standards. The device was primarily used in enterprise servers and storage systems requiring scalable PCIe topology expansion.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Users should consult Renesas Electronics for current portfolio recommendations compatible with PCIe Gen3 or Gen4 specifications.