89H48H12G3YCHLG8

Overview

The 89H48H12G3YCHLG8 is a specialized switch interface integrated circuit manufactured by Renesas Electronics Corporation. It provides 48 PCI Express Gen2 lanes and 12 switch ports, utilizing a non-blocking architecture optimized for high-performance system interconnects. The device supports partitionable switching for multi-root applications and features internal buffering with flow control credits to maximize bandwidth and handle large payloads. It operates at a supply voltage of 3.3V and is housed in a 676-FCBGA package measuring 27x27 mm. The component is RoHS3 compliant and has an MSL rating of 4.

Feature Summary

• Non-blocking switch architecture ensuring full line rate throughput for multiple traffic flows regardless of load
• Partitionable design enabling true multi-root support for flexible system configurations
• Internal buffering and flow control credits optimized for maximum bandwidth and large payload transmission

Applications

• High-performance system interconnect switching
• Multi-root server architectures
• Switch interfacing in backplane systems

Procurement Notes

This component is officially listed as obsolete or end-of-life by the manufacturer. Verification of current availability requires checking authorized distributors for remaining stock or approved replacement alternatives. Ensure compliance with RoHS3 standards and confirm moisture sensitivity level (MSL 4) handling procedures during procurement and storage to prevent damage.

Selection Notes

Select this component for applications requiring deterministic, low-latency switching across 48 PCIe Gen2 lanes. It is suitable for designs needing partitionable topology for multi-root support. Verify that the 676-FCBGA package fits the PCB layout constraints and that the 3.3V supply voltage aligns with the system power architecture before integration.

Part Context

The 89H48H12G3YCHLG8 belongs to the 89H series of specialized interface ICs from Renesas Electronics. This series focuses on providing high-speed, reliable connectivity solutions for complex computing environments. The specific model integrates switching capabilities directly into the interface layer, reducing latency compared to traditional routing methods.

Replacement Considerations

As the part is obsolete, consult official Renesas documentation for confirmed substitute part numbers. Do not assume functional equivalence with other models without verifying pinout, electrical parameters, and architectural differences.