PI7C9X7952BFDEX-55

Controllers Overview

The PI7C9X7952BFDEX-55 is a PCIe to Dual UART bridge IC manufactured by Diodes Incorporated. It provides two independent UART channels over a single PCI Express lane, supporting data rates up to 15 Mb/s. The device operates on 1.8 V or 3.3 V power supplies and functions within an industrial temperature range of -40°C to +85°C. It utilizes a 128-pin LQFP package for surface mount installation.

Controllers Feature Summary

• Supports dual UART channels with automated flow control
• Configurable I/O and memory-mapped access modes
• Integrated crystal oscillator circuit

Controllers Applications

• Industrial automation systems requiring serial connectivity
• Telecommunications equipment
• Embedded computing platforms

Controllers Procurement Notes

Verify the specific ordering suffix against official documentation to confirm package type and temperature rating. Confirm RoHS compliance status through manufacturer datasheets before finalizing procurement specifications.

Controllers Selection Notes

Select this component when a system requires multiple serial ports connected via a PCIe interface. Ensure the design supports the required voltage levels and thermal conditions for the specified operating range.

Controllers Part Context

This part belongs to the PI7C9X7952 family of PCIe-to-UART bridges. It serves as a specialized interface solution for integrating legacy serial devices into modern high-speed computer architectures.

Controllers Replacement Considerations

Consult the manufacturer's cross-reference list for verified alternative part numbers. Do not substitute without confirming pinout compatibility and electrical parameter alignment.