89HPES22H16ZABR8

Overview

The 89HPES22H16ZABR8 is a PCIe System Interconnect Switch providing 22 lanes and 16 ports. It features a non-blocking architecture optimized for high-performance system interconnect partitioning. The device supports true multi-root configurations through its partitionable switch architecture. Internal buffering and flow control credits are utilized to maximize bandwidth and accommodate large payloads. This component delivers low latency and low power consumption while ensuring deterministic switching performance across all ports.

Feature Summary

• Provides 22 PCIe Gen1 lanes and 16 switch ports with full line-rate, non-blocking throughput.
• Supports partitionable switch architecture for true multi-root system configurations.
• Includes 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 routing in computing systems

Procurement Notes

Verify the obsolete status of this part number before procurement planning. Confirm package type compatibility and temperature grade requirements against current design specifications. Check for end-of-life notifications or discontinuation notices from Renesas Electronics to assess long-term supply viability.

Selection Notes

Select this component when 22 PCIe Gen1 lanes and 16 ports are required for non-blocking switching. Ensure the design accommodates the specific CABGA or FCBGA package options available. Verify that the internal buffering capabilities meet the payload size requirements of the target application.

Part Context

This model belongs to the 89PES22H16 series of PCIe switches manufactured by Renesas Electronics (formerly IDT). The series is designed for high-performance system interconnect applications requiring deterministic switching and multi-root support. The ZABR8 suffix indicates a specific package and reel configuration within the product family.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. As the product is listed as obsolete, alternative solutions must be evaluated based on lane count, port configuration, and interface compatibility rather than direct cross-reference lists.