89H32NT8BG2ZCHL8

Overview

The Renesas 89H32NT8BG2ZCHL8 is a specialized PCI Express switch interface integrated circuit designed for high-performance system interconnect applications. It provides 32 PCIe lanes and supports 8 ports, delivering non-blocking throughput for multiple traffic flows regardless of switch loading. The device operates with supply voltages of 1V, 2.5V, and 3.3V, and functions within an operating temperature range of -40°C to +85°C. It utilizes a 484-FCBGA package with dimensions of 23x23 mm, featuring surface mount installation. The component is classified as obsolete or end-of-life status in current market listings.

Feature Summary

• Non-blocking switch architecture optimized for high-performance system interconnect
• Supports partitionable switch architecture for true multi-root support
• Internal buffering and flow control credits optimized for maximum bandwidth and large payloads

Applications

• High-performance system interconnect switching
• Multi-root server architectures
• PCIe Gen2 network infrastructure

Procurement Notes

This component is listed as obsolete or end-of-life by the manufacturer and distributors. Verification of availability should focus on remaining stock from authorized channels or secondary markets. Buyers must confirm the specific revision and lead count associated with the ZCHL8 suffix. Compliance with RoHS directives should be verified against the specific batch documentation, as older production runs may differ from current environmental standards.

Selection Notes

Engineers replacing this part should evaluate the 89H32NT24AG2 series for higher port density options or newer generations if available. The selection process must account for the FCBGA 484 footprint compatibility and thermal management requirements. Designers should verify signal integrity specifications for PCIe Gen2 speeds up to 5 GT/s. Alternative components must match the voltage domains of 1V, 2.5V, and 3.3V to ensure seamless integration into existing power rails.

Part Context

The 89H32NT8BG2ZCHL8 belongs to the Renesas (formerly IDT) 89H series of PCIe switches. This family focuses on deterministic system interconnect solutions with low latency and low power consumption. The specific model integrates 32 lanes across 8 ports, serving as a critical node in complex PCIe topologies requiring high bandwidth aggregation and distribution capabilities.

Replacement Considerations

Publicly confirmed substitute part numbers are not explicitly documented in the provided source material. Engineers should consult Renesas official cross-reference guides or contact technical support for validated alternatives. Direct pin-to-pin replacements may require verification of electrical characteristics and firmware compatibility.