PI7C9X112SLFDEX

Specialized Overview

The PI7C9X112SL is a PCI Express-to-PCI bridge manufactured by Diodes Incorporated. It provides a single x1 PCI Express port and a 32-bit/66MHz PCI interface. The device supports a maximum payload size of 512 bytes and includes an 8KB buffer with 2KB for reads and 2KB for writes per direction. It operates within an extended commercial temperature range of 0°C to +85°C. The component utilizes a 160-pin LFBGA package measuring 12mm x 12mm.

Specialized Feature Summary

• Supports fully reversible bridging between PCI Express and PCI domains
• Includes integrated GPIO pins and System Management Bus support
• Features advanced error reporting and data poisoning capabilities

Specialized Applications

• PCI Express to PCI bridging in industrial control systems
• Legacy PCI expansion in modern PCIe-based platforms
• Embedded systems requiring mixed bus architecture

Specialized Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct packaging and environmental ratings. Confirm that the selected variant matches the required pinout and thermal specifications for the target application design.

Specialized Selection Notes

Select this component when a bidirectional bridge between PCIe Gen 1 and legacy 32-bit PCI buses is required. Ensure the design accommodates the 160-pin LFBGA footprint and meets the power sequencing requirements outlined in the datasheet for reliable operation.

Specialized Part Context

This part belongs to the PI7C9X series of interface ICs from Diodes Incorporated, formerly Pericom Semiconductor. The series focuses on high-performance bridging solutions for connecting different peripheral interconnect standards within complex electronic systems.

Specialized Replacement Considerations

Check for updated revisions or alternative packages within the same PI7C9X family. Verify compatibility with existing board layouts and firmware configurations before substituting with other bridge controllers.