89HPES24N3AZCBX

Specialized Overview

The 89HPES24N3AZCBX is a PCI Express I/O expansion switch manufactured by Renesas Electronics. It provides high-performance switching functions between one upstream port and two downstream ports, or peer-to-peer switching between downstream ports. The device supports 24 PCIe Gen1 lanes across three switch ports. It features internal buffering and flow control credits optimized for maximum bandwidth and large payloads. The component operates at a supply voltage of 3.3V and is housed in a surface-mount package.

Specialized Feature Summary

• Switch architecture optimized for I/O expansion
• Supports root-to-peripheral and peer-to-peer data transfers
• Internal buffering and flow control credits optimized for maximum bandwidth and large payloads
• Low latency and low power consumption design

Specialized Applications

• PCIe I/O expansion systems
• Root-to-peripheral interconnect architectures
• Peer-to-peer downstream port communication

Specialized Procurement Notes

Verify the exact ordering suffix to confirm package type and moisture sensitivity level requirements. Confirm RoHS compliance status as indicated in official documentation. Check for end-of-life notices or product discontinuance announcements from the manufacturer before finalizing procurement plans.

Specialized Selection Notes

Select this component when designing systems requiring 24 lanes of PCIe Gen1 connectivity with three switch ports. Ensure the design accommodates the specific 3.3V supply voltage requirement. Verify that the chosen package variant meets the board space and thermal constraints of the target application.

Specialized Part Context

This part belongs to the PRECISE family of interface ICs from Renesas Electronics. It is categorized under PCI Interface ICs within the broader interface solutions portfolio. The device serves as a critical link for expanding PCIe connectivity in server and storage applications.

Specialized Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult official Renesas documentation for potential cross-reference options or updated series replacements.