PI3EQX8904ZHEX

Signal Buffers, Repeaters, Splitters Overview

The PI3EQX8904ZHEX is a four-channel PCIe ReDriver designed for signal integrity enhancement in high-speed serial links. It supports data rates of 2.5, 5, 6, and 8 Gbps, compliant with PCIe Gen 1/2/3 and SATA3 protocols. The device operates on a single 3.3V ±0.3V supply voltage within an industrial temperature range of -40°C to +85°C. It features programmable linear equalization, output swing, and gain adjustments via pin strapping, I2C control, or external EEPROM loading. The component utilizes a 42-contact TQFN package measuring 9mm x 3.5mm.

Signal Buffers, Repeaters, Splitters Feature Summary

• Provides programmable linear equalization, output swing, and amplifier gain to reduce inter-symbol interference across various physical mediums.
• Supports independent channel configuration for receiver equalization, output swing, and flat gain settings.
• Enables automatic configuration loading on power-up via external EEPROM, eliminating the need for an external microprocessor or software driver.
• Includes per-channel activity detectors with selectable input termination and output termination detectors with selectable output termination states.

Signal Buffers, Repeaters, Splitters Applications

• PCIe Gen 1/2/3 protocol implementations
• SATA3 storage interfaces
• Systems requiring extension of signals across distant data pathways

Signal Buffers, Repeaters, Splitters Procurement Notes

Verify the specific ordering suffix against the manufacturer's current product brief to ensure correct packaging and compliance status. Confirm that the required configuration method (pin strap, I2C, or EEPROM) aligns with the system design requirements before procurement.

Signal Buffers, Repeaters, Splitters Selection Notes

Select this component when extending PCIe or SATA3 signals over long traces or cables requiring active equalization. Ensure the design supports the 3.3V supply rail and accommodates the TQFN-42 thermal requirements. Verify compatibility with the chosen programming interface if dynamic adjustment is needed.

Signal Buffers, Repeaters, Splitters Part Context

This part belongs to the PI3EQX8904 series of 4-channel Redrivers from Diodes Incorporated. It is specifically engineered for applications demanding high signal fidelity in PCIe and SATA environments, offering flexible configuration options to optimize performance across different channel losses.

Signal Buffers, Repeaters, Splitters Replacement Considerations

Check for updated revisions within the PI3EQX8904 family. No direct cross-model substitutes are confirmed in the provided documentation; verify pinout and electrical specifications carefully when considering alternatives.