89HPES24N3AZCBXGI

Overview

The 89HPES24N3AZCBXGI is a PCI Express interface integrated circuit manufactured by Renesas Electronics. It functions as a PCIe switch providing high-performance I/O expansion and switching capabilities between upstream and downstream ports. The device supports peer-to-peer data transfers and features internal buffering with flow control credits optimized for maximum bandwidth and large payloads. Designed for low latency and low power consumption, it facilitates efficient system interconnects in complex computing environments.

Feature Summary

• Supports root-to-peripheral and peer-to-peer data transfer architectures
• Features internal buffering and flow control optimized for large payloads
• Designed for low latency and low power operation

Applications

• PCIe I/O expansion systems
• High-performance server interconnects
• Storage area network switches

Procurement Notes

Verify component authenticity through authorized channels due to potential counterfeit risks. Confirm RoHS compliance status and moisture sensitivity level prior to assembly. Check for specific ordering suffixes that may indicate package variations or temperature grades. Ensure compatibility with existing PCB footprints and thermal management requirements during the sourcing phase.

Selection Notes

Evaluate the requirement for peer-to-peer versus root-port switching topologies when selecting this component. Consider the payload size limitations supported by the internal flow control mechanism. Assess the thermal dissipation needs associated with the FCBGA package type. Verify that the available lane count meets the specific bandwidth demands of the target application architecture.

Part Context

This component belongs to the IDT 89HPES series of PCIe switches, originally developed by Integrated Device Technology before its acquisition by Renesas. The series is designed for high-density I/O expansion in enterprise and communication infrastructure applications. It represents a generation of deterministic switching solutions focused on minimizing latency while maintaining high throughput capabilities.

Replacement Considerations

Consult official Renesas documentation for confirmed cross-reference part numbers. Verify pinout compatibility and electrical specifications before substituting. Ensure that any alternative component supports the same PCIe generation standards and port configurations required by the design.