PI2EQX638XUBEX

Signal Buffers, Repeaters, Splitters Overview

The PI2EQX638 is a low-power, high-performance 5.0 Gbps 2-port USB 3.0 Mux/DeMux ReDriver designed for the USB 3.0 protocol. It provides programmable equalization, output swing, and de-emphasis to optimize performance over various physical mediums by reducing inter-symbol interference. The device supports two 100Ω differential CML data I/Os between a protocol ASIC and a switch fabric, cable, or distant data pathways. It features adaptive power management to maximize battery life in power-sensitive consumer devices.

Signal Buffers, Repeaters, Splitters Feature Summary

• Supports 1-to-2 DeMux from host TX to device RX and 2-to-1 Mux from device TX to host RX
• Includes pin-adjustable receiver equalization, output swing, and output emphasis
• Features input signal level detect and squelch for each channel with automatic receiver detect
• Provides adaptive power management with multiple low-power states

Signal Buffers, Repeaters, Splitters Applications

• USB 3.0 Cable connections
• Digital Camera interfaces
• External Storage devices
• PC Monitor connections
• Tablet PC connectivity

Signal Buffers, Repeaters, Splitters Procurement Notes

Verify the component against Diodes Incorporated datasheet DS40460 Rev 2-2. Confirm the package type matches the 18-pin XUB18 (2x2 mm) specification. Ensure compliance with RoHS and lead-free requirements as defined in the manufacturer's documentation. Check that the ordering suffix corresponds to the tape and reel packaging format.

Signal Buffers, Repeaters, Splitters Selection Notes

Select this component when designing USB 3.0 systems requiring signal integrity enhancement across cables or PCB traces. Consider its 1.8V single supply voltage and low power consumption for battery-operated applications. Evaluate the need for pin-adjustable equalization and de-emphasis settings to match specific channel characteristics. Verify compatibility with CML I/O standards and required data rates up to 5.0 Gbps.

Signal Buffers, Repeaters, Splitters Part Context

The PI2EQX638 belongs to the ReDriver product line from Diodes Incorporated, specifically engineered for USB 3.0 signal conditioning. It functions as a mux/demux switch while simultaneously acting as a repeater to extend signal reach. This integration allows designers to manage signal routing and quality within a single compact package, simplifying board layout for high-speed USB applications.

Signal Buffers, Repeaters, Splitters Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.