89HPES48H12SZABL

Specialized Overview

The 89HPES48H12SZABL is a specialized interface integrated circuit manufactured by Renesas Electronics Corporation. It functions as a high-performance system interconnect switch providing 48 PCIe Gen2 lanes and 12 switch ports. The device utilizes a non-blocking architecture optimized for deterministic throughput, ensuring full line rate performance regardless of switch loading. It features a partitionable design to support true multi-root configurations and includes internal buffering with flow control credits to maximize bandwidth efficiency for large payloads. The component is housed in a 676-FCBGA package measuring 27x27 mm and operates on a 3.3V supply voltage.

Specialized Feature Summary

• Provides 48 PCIe Gen2 lanes and 12 switch ports for high-performance system interconnect switching
• Features a non-blocking switch architecture optimized for deterministic throughput across multiple traffic flows
• Supports partitionable switch architecture enabling true multi-root configuration capabilities
• Includes internal buffering and flow control credits optimized for maximum bandwidth and large payload handling

Specialized Applications

• High-performance system interconnect switching
• Multi-root server architectures
• Storage area network (SAN) fabric switches

Specialized Procurement Notes

This specific part number is classified as obsolete or end-of-life. Verification of availability requires checking authorized distributors for remaining stock or alternative lifecycle statuses. Customers should consult official discontinuation notifications and datasheets to confirm the current operational status before procurement planning.

Specialized Selection Notes

Designers requiring this functionality must account for the component's discontinued status. Selection should involve evaluating equivalent newer generation switches from the manufacturer that offer updated specifications and longer lifecycle support. Compatibility with existing root complexes and software drivers must be verified against current hardware requirements.

Specialized Part Context

The 89HPES48H12 series belongs to the PES48H12 family of PCIe Gen2 switches originally developed by Integrated Device Technology (IDT), which was subsequently acquired by Renesas Electronics. This family was designed to provide scalable, low-latency connectivity for enterprise and industrial applications requiring high-bandwidth data transfer between multiple PCIe endpoints.

Specialized Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Due to the obsolete status, engineers should refer to Renesas Electronics for recommended next-generation replacements that maintain similar port counts and PCIe generation compatibility.