PI7C9X20303ULAZPE

Specialized Overview

The PI7C9X20303ULAZPE is a PCI Express packet switch from the UltraLo family, manufactured by Diodes Incorporated. It features one upstream port and three downstream ports, each supporting up to three lanes of PCIe connectivity. The device operates at a maximum clock frequency of 66 MHz and supports data rates up to 12 Gb/s. It utilizes a 1 V operating supply voltage and functions within an industrial temperature range of -40°C to +85°C. The component is housed in a 132-pin TQFN package designed for surface mount technology.

Specialized Feature Summary

• Supports multi-lane PCI Express topology with one upstream and three downstream ports
• Integrates advanced power management capabilities including L0s and L1 states
• Includes IEEE 1149.1 compatible JTAG controller for boundary scan testing
• Features transparent mode configuration registers for system integration

Specialized Applications

• PCI Express expansion chassis designs
• Industrial computing systems requiring high-speed interconnectivity
• Server backplane architectures

Specialized Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and temperature rating. Ensure compatibility with the required PCB footprint and thermal dissipation requirements before finalizing procurement decisions.

Specialized Selection Notes

Select this component when a compact solution for connecting multiple PCIe endpoints is required. Consider the 132-pin TQFN package constraints and verify that the design accommodates the necessary power delivery for the 1 V core voltage requirement.

Specialized Part Context

This part belongs to the Pericom UltraLo family of PCI Express switches. It serves as a bridge between host processors and peripheral devices, facilitating data transfer across different PCIe segments while maintaining signal integrity and protocol compliance.

Specialized Replacement Considerations

Consult the manufacturer's datasheet for officially confirmed substitute part numbers. Verify pinout compatibility and electrical specifications before considering alternative components.