PI3EQX10904ZHEX

Signal Buffers, Repeaters, Splitters Overview

The PI3EQX10904ZHEX is a 10Gbps 4-channel ReDriver with linear equalization designed for 10Gb and 40Gb Ethernet applications. It supports serial link rates from 1 to 11.3Gbps and is compliant with KR link training. The device features four 100-Ohm differential CML data I/Os, independent channel configuration for receiver equalization, output swing, and flat gain. It operates on a 3.3V±0.3V supply voltage within an industrial temperature range of -40°C to +85°C. The component is housed in a 42-contact TQFN package measuring 9mm x 3.5mm.

Signal Buffers, Repeaters, Splitters Feature Summary

• Provides programmable linear equalization, output swing, and flat gain via pin strapping or I2C control to reduce inter-symbol interference.
• Supports four differential channels with independent configuration for receiver equalization, output swing, and flat gain.
• Includes per-channel activity detectors with selectable input termination and per-channel output termination detectors on power up.
• Fully compliant with KR link training and supports 10GE protocol.

Signal Buffers, Repeaters, Splitters Applications

• 10Gb and 40Gb Ethernet applications
• 10Gb fiber channel systems
• 10G-KR support

Signal Buffers, Repeaters, Splitters Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm packaging details and compliance status. Confirm current availability and lead times directly with Diodes Incorporated or authorized distributors, as stock levels fluctuate. Ensure the selected variant matches the required package type and temperature rating for your specific design implementation.

Signal Buffers, Repeaters, Splitters Selection Notes

Select this component when designing for 10GbE or 40GbE environments requiring signal integrity extension over lossy pathways. Consider the independent channel configuration capabilities if asymmetric signal conditioning is needed. Verify that the 3.3V supply and TQFN-42 package fit within your board space and power budget constraints.

Signal Buffers, Repeaters, Splitters Part Context

The PI3EQX10904 belongs to the PI3EQX series of Redrivers from Diodes Incorporated. This family focuses on signal integrity solutions for high-speed serial links. The ZHEX suffix typically denotes a tape-and-reel packaging format suitable for automated assembly processes, distinguishing it from cut-tape or tray variants.

Signal Buffers, Repeaters, Splitters Replacement Considerations

Check the PI3EQX10904 datasheet for direct pin-compatible alternatives within the same product line. Verify electrical parameters such as data rate and supply voltage before substituting with other ReDriver models from different manufacturers.

Signal Buffers, Repeaters, Splitters FAQ

How is the device programming configured?

The PI3EQX10904 allows for pin strap and I2C master/slave selectable device programming, including a 4-bit selectable address bit for I2C communication.

What termination options are available for the inputs?

The device features per-channel activity detectors with selectable input termination between 50Ω to VCC and 200KΩ to VCC.

Does the device support KR link training?

Yes, the PI3EQX10904 is fully compliant with KR link training.