PI3EQX16821ZLDEX

Signal Buffers, Repeaters, Splitters Overview

The PI3EQX16821 is a low-power, high-performance 16Gbps 4-channel Mux ReDriver designed for PCIe 4.0 compliance. It features four differential channels with independent receiver equalization, output swing, and flat gain configuration. The device supports two 100Ω differential CML data I/Os between a Protocol ASIC and a switch fabric or cable. It operates on a single 3.3V supply voltage within a temperature range of -40°C to 85°C. The part number PI3EQX16821ZLDEX indicates a ZLD 40-Pin, 3mm × 6mm TQFN package in tape and reel format.

Signal Buffers, Repeaters, Splitters Feature Summary

• Supports 16Gbps serial link speeds with full compliance to the PCIe 4.0 standard.
• Provides programmable equalization, output swing, and flat gain to optimize signal integrity over various physical mediums.
• Features automatic receiver detect and adaptive power management to maximize battery life in power-sensitive devices.
• Allows flexible device programming through pin strap and I2C selectable configurations with three selectable address bits.

Signal Buffers, Repeaters, Splitters Applications

• Workstations
• Servers

Signal Buffers, Repeaters, Splitters Procurement Notes

Verify the specific ordering suffix against official Diodes Incorporated documentation to confirm packaging details. Ensure that the procurement channel provides valid traceability for RoHS 3 and halogen-free compliance requirements. Confirm the exact package variant matches the design specifications before finalizing orders.

Signal Buffers, Repeaters, Splitters Selection Notes

Select this component when designing systems requiring PCIe 4.0 compliant signal retiming and muxing capabilities. Ensure the application environment operates within the specified -40°C to 85°C temperature range. Verify that the system architecture can accommodate the required 3.3V supply voltage and utilizes the appropriate I2C or pin-strapping interface for configuration.

Signal Buffers, Repeaters, Splitters Part Context

This component belongs to the PI3EQX series of Mux ReDrivers from Diodes Incorporated. It is engineered to extend signal pathways across distant data routes while reducing intersymbol interference. The device integrates adaptive power management and independent channel operation to support high-speed data transmission in demanding computing environments.

Signal Buffers, Repeaters, Splitters Replacement Considerations

Consult official Diodes Incorporated substitution guides for verified alternatives. Do not assume functional equivalence with other PCIe retimers without confirming pinout and electrical parameter alignment.

Signal Buffers, Repeaters, Splitters FAQ

Does the PI3EQX16821 support rate and coding agnostic operation?

Yes, the device is rate and coding agnostic and remains transparent to link training processes.

How is the device configured for operation?

Device programming is selectable via pin straps or an I2C interface, which includes three selectable address bits for control.

What is the input/output configuration of the data channels?

The ReDriver supports two 100Ω differential CML data I/Os between the Protocol ASIC and a switch fabric, cable, or distant data pathways.