89H48H12G3YCHLGI

Overview

The 89H48H12G3YCHLGI is a PCI Express System Interconnect Switch manufactured by Renesas Electronics Corporation. It provides 48 PCIe Gen2 lanes and 12 switch ports, delivering high-performance, deterministic system interconnect switching capabilities. The device features a non-blocking architecture optimized for high-performance applications, ensuring full line-rate throughput for multiple traffic flows regardless of switch loading. It supports partitionable switch architecture for true multi-root support and includes internal buffering with flow control credits to maximize bandwidth and handle large payloads efficiently.

Feature Summary

• Provides 48 PCIe Gen2 lanes and 12 switch ports for high-performance system interconnect switching
• Features a non-blocking switch architecture optimized for high-performance applications
• Supports partitionable switch architecture for true multi-root support
• Includes internal buffering and flow control credits optimized for maximum bandwidth

Applications

• High-performance server systems requiring scalable I/O connectivity
• Storage area networks (SAN) and enterprise storage solutions
• Industrial automation and control systems needing deterministic latency
• Telecommunications infrastructure equipment

Procurement Notes

Verify the exact suffix configuration against official Renesas documentation before procurement, as suffixes often denote specific temperature grades, lead-free status, or packaging variations. Confirm current availability status directly with authorized distributors or the manufacturer, as this component may be subject to end-of-life notices or limited stock conditions. Ensure compatibility with existing system designs regarding voltage levels and pin assignments.

Selection Notes

Select this component when designing systems that require a high port count PCIe switch with Gen2 speeds. Evaluate thermal management requirements due to the dense FCBGA package. Consider the partitionable architecture benefits for multi-root setups. Compare against newer generation switches if future-proofing for Gen3/Gen4 is required, while noting potential form-factor differences.

Part Context

This part belongs to the IDT/Renesas 89H series of PCIe switches, which are widely used in enterprise and industrial computing environments. The 89H48H12 variant specifically targets applications needing extensive parallel connectivity. Renesas acquired IDT, continuing support for these legacy high-performance interface products within their portfolio of connectivity and timing solutions.

Replacement Considerations

Publicly confirmed substitute part numbers for 89H48H12G3YCHLGI were not found in the provided source material. Users should consult Renesas official cross-reference tools or contact technical support for verified alternatives, considering factors like lane count, speed generation, and package compatibility.