89H64H16AG2ZDBL

Overview

The 89H64H16AG2ZDBL is a discontinued PCIe Gen2 system interconnect switch manufactured by Renesas Electronics. It provides 64 PCIe Gen2 lanes and 16 switch ports within a non-blocking architecture designed for high-performance system interconnect applications. The device supports partitionable switch architecture for multi-root support, featuring internal buffering and flow control credits optimized for maximum bandwidth and large payloads. It operates in the commercial temperature range (-0°C to +70°C) and utilizes an FCBGA-1156 package.

Feature Summary

• Non-blocking switch architecture providing full line rate throughput for multiple traffic flows regardless of switch loading
• Partitionable switch architecture enabling true multi-root support
• Internal buffering and flow control credits optimized for maximum bandwidth and large payloads

Applications

• High-performance system interconnect switching
• Multi-root server architectures
• Deterministic data path applications requiring low latency

Procurement Notes

This component is officially obsolete and no longer in production. Verify end-of-life status through official Renesas discontinuation notices before design finalization. Sourcing is restricted to secondary market channels only. Ensure compatibility with existing PCB footprints and firmware configurations when evaluating alternative components.

Selection Notes

Select this part only for legacy system maintenance or specific backward-compatible upgrades where PCIe Gen2 performance is sufficient. Evaluate pin-to-pin compatible alternatives from the same family if new designs are required. Confirm thermal management requirements align with the FCBGA-1156 package constraints and commercial temperature specifications.

Part Context

This model belongs to the 89KTPES series of PCIe switches. It shares architectural similarities with the 89H64H16G2 but differs in package type and temperature grade. The 'A' suffix typically denotes specific manufacturing revisions or packaging variations within the product line. It serves as a deterministic switching solution for enterprise and industrial computing environments.

Replacement Considerations

Publicly confirmed direct substitutes include the 89H64H16G2 series variants (e.g., 89H64H16G2ZCBL). Verify electrical and mechanical compatibility before substitution.