89H48H12G3YAHLGI

Overview

The 89H48H12G3 is a 48-lane, 12-port PCI Express Gen3 system interconnect switch designed for high-performance applications. It delivers up to 96 GBps (768 Gbps) of switching capacity with low latency cut-through architecture. The device supports PCIe Base Specification 3.0 and optional features including Advanced Error Reporting (AER), Access Control Services (ACS), and Atomic operations. It accommodates x8, x4, x2, and x1 port configurations with automatic link width negotiation. The switch enables multi-root support through up to 12 independent partitions and includes RAS features like SECDED ECC protection on internal RAMs. It is packaged in a 27mm x 27mm 676-ball FCBGA.

Feature Summary

• High-performance non-blocking switch architecture supporting up to 96 GBps switching capacity
• Multi-root support allowing up to 12 fully independent switch partitions with dynamic reconfiguration
• Comprehensive Reliability, Availability, and Serviceability (RAS) features including AER and SECDED ECC
• Flexible initialization options via Root, Serial EEPROM, pin strapping, or SMBus

Applications

• Enterprise servers requiring high throughput and low latency
• Storage arrays and intelligent I/O systems
• Communications infrastructure with inter-domain communication needs
• Embedded systems utilizing multiple simultaneous peer-to-peer traffic flows

Procurement Notes

Verify the manufacturer origin as Integrated Device Technology (IDT), which was acquired by Renesas Electronics. Confirm that the specific suffix YAHLGI corresponds to the standard 89H48H12G3 specifications documented in the official product brief. Ensure compatibility with the required 27mm x 27mm 676-ball FCBGA package dimensions during procurement planning.

Selection Notes

Select this component when designing systems requiring 48 lanes of PCIe Gen3 connectivity across 12 ports. It is suitable for applications demanding non-blocking throughput and multi-root capabilities. Consider the 676-ball FCBGA package constraints and thermal requirements. Verify that the target environment supports the specified power management states and error reporting features outlined in the PCIe Base Specification 3.0.

Part Context

This device belongs to the IDT PES series of PCIe switches, optimized for Gen3 packet switching. It serves as a critical interconnect solution for expanding PCIe slots in server and storage environments. The technology leverages proven SerDes capabilities to ensure robust signal integrity at 8.0 GT/s speeds, addressing the bandwidth demands of modern high-performance computing architectures.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Evaluate cross-compatibility based on lane count, port configuration, and package type if sourcing from alternative manufacturers. Verify electrical and mechanical parameters against the original 89H48H12G3 specifications before implementation.