PI7C9X2G303ELZXEX

Specialized Overview

The PI7C9X2G303ELZXEX is a PCI Express Gen 2 Packet Switch manufactured by Diodes Incorporated. It features a 3-port, 3-lane architecture designed for ExtremeLo applications. The device supports data rates up to 5 Gb/s per lane and operates within a supply voltage range of 900 mV to 1.1 V. It functions at a maximum clock frequency of 100 MHz and dissipates up to 650 mW. The component is housed in an aQFN-136 package suitable for SMD/SMT mounting. It supports a minimum payload size of 512 bytes and includes no-blocking capability. The operating temperature range spans from -40°C to +85°C.

Specialized Feature Summary

• Supports PCIe Gen 2 protocol with integrated reference clock generation
• Enables OBFF (On/Off Buffer Flush) and LTR (Link Power Management) support
• Provides EEPROM interface and System Management Bus connectivity
• Includes JTAG boundary scan for testing and verification

Specialized Applications

• PCIe packet switching in industrial systems
• Server and storage backplane interconnects
• Embedded computing platforms requiring low power consumption

Specialized Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to ensure correct packaging and material specifications. Confirm that the component status aligns with design requirements, as this part may be designated as not recommended for new designs. Cross-reference the datasheet revision date to ensure all electrical characteristics and pin descriptions match the intended application parameters.

Specialized Selection Notes

Select this component for applications requiring a 3-port, 3-lane PCIe switch with low power constraints. Ensure the system design accommodates the 136-pin aQFN package dimensions and thermal dissipation limits. Verify compatibility with the required PCIe Gen 2 signaling speeds and payload sizes. Consider the availability of development tools if hardware validation is necessary during the design phase.

Specialized Part Context

This component belongs to the PI7C9X2G series of ExtremeLo PCIe switches from Diodes Incorporated. It is functionally related to other models in the family but distinguished by its specific port and lane configuration. The device serves as a bridge between multiple PCIe endpoints and the host system, facilitating data routing and link management.

Specialized Replacement Considerations

Diodes Incorporated recommends using the PI7C9X2G304EV as a replacement for this part. Designers should evaluate the pinout and feature differences between the two models before implementing any substitution in existing hardware designs.