89HPES32H8AR

Overview

The 89HPES32H8AR is a PCIe system interconnect switch providing 32 lanes and 8 ports. It features a non-blocking architecture optimized for high-performance system interconnect partitioning, supporting true multi-root configurations. The device includes internal buffering and flow control credits to maximize bandwidth and handle large payloads efficiently. Designed for low latency and low power consumption, it ensures full line-rate throughput across all ports regardless of switch loading conditions.

Feature Summary

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

Applications

• High-performance system interconnect switching
• Multi-root server architectures
• Low-latency data center applications

Procurement Notes

Verify component authenticity through authorized channels due to discontinued status. Confirm package integrity and lead condition upon receipt. Cross-reference datasheet revisions to ensure compatibility with existing system designs. Check for specific ordering suffix variations that may affect temperature grade or packaging type.

Selection Notes

Select this component when requiring an 8-port PCIe Gen1 switch with non-blocking throughput. Ensure the design supports partitionable architectures for multi-root functionality. Verify thermal management requirements align with the device's low-power specifications. Confirm compatibility with upstream root complex and downstream endpoint devices.

Part Context

This part belongs to the 89HPES series of PCIe switches from Renesas Electronics (formerly IDT). It is designed for enterprise and high-performance computing environments requiring deterministic switching performance. The device complements other members in the family by offering a balance of port density and bandwidth efficiency for system-level interconnects.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consider evaluating newer generations of PCIe switches from the manufacturer or alternative vendors if availability is critical. Verify pin-to-pin compatibility and electrical characteristics before considering any potential alternatives.