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Diodes Incorporated PI3EQX16904GLZHEX

Part No.:
PI3EQX16904GLZHEX
Manufacturer:
Diodes Incorporated
Category:
Signal Buffers, Repeaters, Splitters
Package:
42-VFQFN Exposed Pad
Description:
PCIE EQX V-QFN3590-42
Quantity:

Unit Price:$0

Ext Price:$0

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Product Details

PI3EQX16904GL - 4-Channel 16Gbps PCIe 4.0 Linear ReDriver (Signal Conditioner)

PI3EQX16904GL is a high-speed linear ReDriver from Diodes Incorporated, designed for PCI Express Gen4 (16Gbps) and other high-speed serial interfaces. It enhances signal integrity by compensating for channel losses in long PCB traces and interconnects.

This page is written for product identification and engineering selection guidance. Always verify final limits using the manufacturer's latest datasheet revision for design sign-off.

Overview

PI3EQX16904GL is a 4-channel high-speed signal conditioning device that restores signal quality in high-bandwidth digital communication systems. It uses linear equalization techniques to reduce jitter and inter-symbol interference (ISI).

This device is widely used in PCIe Gen4, high-speed storage, server platforms, and data center interconnects where signal degradation over long channels must be mitigated without protocol-level changes.

Selection note: ReDrivers are ideal for moderate channel loss compensation. For extreme loss or protocol-aware tuning, consider a ReTimer solution instead.

Key Advantages

High-speed signal integrity enhancement

Supports up to 16Gbps per channel for PCIe Gen4 and similar high-speed interfaces.

4-channel architecture

Ideal for multi-lane interfaces such as PCIe x4 links and high-speed data paths.

Low latency linear ReDriver

Preserves protocol transparency without introducing clock recovery delays.

Flexible equalization control

Adjustable gain and equalization to optimize channel performance.

Feature Summary

Data rate support

Up to 16Gbps per channel (PCIe Gen4 compliant).

Multi-channel design

4 independent differential channels for high-throughput systems.

Low power operation

Optimized for efficient high-speed signal conditioning.

Equalization and gain tuning

Enables fine tuning for different PCB trace lengths and losses.

Package & Footprint

The PI3EQX16904GL is typically offered in a compact WQFN-40 package, enabling high-density layout for high-speed applications.


Practical notes
  • Follow high-speed layout practices (controlled impedance routing).
  • Minimize trace discontinuities and via stubs.
  • Ensure proper power decoupling and grounding.

Refer to datasheet for exact footprint and layout guidelines.

Pin Functions

The PI3EQX16904GL pinout includes differential I/O pairs and control interfaces.

RX± / TX±
Differential high-speed input and output pairs for signal conditioning.
VDD / GND
Power supply and ground reference pins.
EQ / GAIN
Control pins for adjusting equalization and signal gain.
EN
Device enable control for power management.

Key Specifications

Device Type Linear ReDriver / Signal Conditioner
Channels 4
Data Rate Up to 16Gbps
Protocol Support PCIe Gen4, high-speed serial interfaces
Equalization Programmable
Package WQFN-40
Mounting Type Surface Mount
Operating Temperature -40°C to +85°C (typ.)

Equivalent

Alternative high-speed signal conditioning solutions for PI3EQX16904GL include:

Texas Instruments
4-channel PCIe Gen4 linear ReDriver with similar 16Gbps performance and signal conditioning capabilities.
Texas Instruments
High-speed 4-channel signal conditioner supporting up to 16Gbps, suitable for PCIe and high-speed interfaces.
Texas Instruments
Functionally equivalent PCIe Gen4 ReDriver with similar packaging and performance characteristics.

Engineering note: Validate channel loss budget, equalization settings, and insertion loss when selecting alternatives.

Manufacturer Information

Diodes Incorporated provides high-performance signal integrity and connectivity solutions across computing, networking, and consumer electronics markets.

  • Core strengths: High-speed interfaces, analog, power management
  • Markets: Data center, telecom, industrial, consumer
  • Resources: Datasheets, design guides, evaluation boards

Applications

The PI3EQX16904GL is widely used in high-speed data transmission systems:

PCIe Gen4 Systems

Signal conditioning for high-speed PCIe interconnects.

Servers & Data Centers

Improves signal integrity across long backplane traces.

High-Speed Storage

Used in NVMe SSD and high-bandwidth storage interfaces.

Networking Equipment

Enhances signal quality in high-speed communication links.

Quality & Authenticity

  • Incoming inspection: marking, package verification
  • Traceability: supplier and lot control
  • Anti-counterfeit: recommended for high-value ICs
Note: Use authorized distribution channels for mission-critical applications.

FAQ

What is the difference between a ReDriver and ReTimer?
ReDrivers provide analog signal conditioning, while ReTimers include clock/data recovery for more severe signal degradation scenarios.
Is PI3EQX16904GL protocol dependent?
No, it is protocol transparent and works with PCIe and other high-speed serial standards.
Does it support PCIe Gen5?
This device is optimized for PCIe Gen4 (16Gbps). For Gen5, a higher-speed solution is required.

Disclaimer

Important Notice: The information provided is for reference only. Always consult the official datasheet for final specifications and design validation.

PI3EQX16904GLZHEX Information

  • Specifications
  • Tags
Product attributes
Attribute value
Manufacturer:
Diodes Incorporated
Series:
ReDriver™
Package/Case:
42-VFQFN Exposed Pad
Packaging:
Tape & Reel (TR)
Product Status:
Active
Type:
Buffer, ReDriver
Applications:
Networking
Input:
CML
Output:
CML
Data Rate (Max):
16Gbps
Number of Channels:
4
Delay Time:
-
Signal Conditioning:
Input Equalization
Capacitance - Input:
-
Voltage - Supply:
3V ~ 3.6V
Current - Supply:
-
Operating Temperature:
-40°C ~ 85°C
Grade:
-
Qualification:
-
Mounting Type:
Surface Mount
Supplier Device Package:
42-TQFN (9x3.5)
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