89H64H16G3ZABLI

Specialized Overview

The 89H64H16G3ZABLI is a PCIe Gen3 system interconnect switch manufactured by Renesas Electronics. It provides 64 PCIe Gen3 lanes and 16 switch ports with a non-blocking architecture optimized for high-performance applications. The device supports partitionable switch architecture for multi-root support, featuring internal buffering and flow control credits to maximize bandwidth. It operates within a commercial temperature range of 0°C to +70°C and utilizes an FCBGA-1156 package.

Specialized Feature Summary

• Provides 64 PCIe Gen3 lanes and 16 switch ports for deterministic system interconnect switching.
• Features a non-blocking switch architecture ensuring full line rate throughput regardless of switch loading.
• Supports true multi-root configurations through a partitionable switch architecture.

Specialized Applications

• High-performance system interconnect switching
• Multi-root server architectures
• Enterprise storage systems

Specialized Procurement Notes

This component is classified as obsolete or end-of-life. Verification of current availability requires direct consultation with authorized distributors or the manufacturer. Ensure compliance with RoHS directives, as lead-free status may vary by specific revision. Confirm moisture sensitivity level (MSL) handling requirements prior to assembly to prevent damage during soldering processes.

Specialized Selection Notes

Select this model when 64 PCIe Gen3 lanes are required for high-bandwidth interconnects. Compare against the G2 variant if Gen2 speeds suffice, noting the performance difference. Verify that the FCBGA-1156 package fits the PCB footprint constraints. Ensure the design supports the necessary power domains and thermal management for the specified operating temperature range.

Specialized Part Context

The 89H64H16G3 belongs to the 89HPES series of PCIe switches from Renesas (formerly IDT). It succeeds the 89H64H16G2, upgrading from Gen2 to Gen3 specifications while maintaining the 64-lane, 16-port topology. This lineage focuses on deterministic latency and high-throughput switching for data center and enterprise infrastructure applications.

Specialized Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. As the product is obsolete, engineers should evaluate newer generations of PCIe switches from Renesas or other vendors that offer Gen4 or Gen5 capabilities with compatible pinouts or adapter solutions.