DS80PCI402_15 Datasheet, PDF (2/54 Pages) Texas Instruments – 2.5-Gbps / 5.0-Gbps / 8.0-Gbps 4-Lane PCI-Express Repeater With Equalization and De-Emphasis

DS80PCI402
SNLS324E – APRIL 2011 – REVISED JANUARY 2015
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 6
6.1 Absolute Maximum Ratings ..................................... 6
6.2 ESD Ratings.............................................................. 6
6.3 Recommended Operating Ratings............................ 6
6.4 Thermal Information .................................................. 6
6.5 Electrical Characteristics........................................... 7
6.6 Electrical Characteristics — Serial Management Bus
Interface .................................................................. 10
6.7 Typical Characteristics ............................................ 11
7 Parameter Measurement Information ................ 12
8 Detailed Description ............................................ 13
8.1 Overview ................................................................. 13
8.2 Functional Block Diagram ....................................... 13
8.3 Feature Description................................................. 14
8.4 Device Functional Modes........................................ 16
8.5 Programming........................................................... 16
8.6 Register Maps ......................................................... 20
9 Application and Implementation ........................ 40
9.1 Application Information............................................ 40
9.2 Typical Application ................................................. 41
10 Power Supply Recommendations ..................... 43
10.1 3.3-V or 2.5-V Supply Mode Operation................. 43
10.2 Power Supply Bypassing ...................................... 44
11 Layout................................................................... 45
11.1 Layout Guidelines ................................................. 45
11.2 Layout Example .................................................... 45
12 Device and Documentation Support ................. 46
12.1 Device Support...................................................... 46
12.2 Trademarks ........................................................... 46
12.3 Electrostatic Discharge Caution ............................ 46
12.4 Glossary ................................................................ 46
13 Mechanical, Packaging, and Orderable
Information ........................................................... 46
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision D (April 2013) to Revision E
Page
• Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation
section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and
Mechanical, Packaging, and Orderable Information section .................................................................................................. 1
Changes from Revision C (April 2013) to Revision D
Page
• Changed layout of National Data Sheet to TI format ........................................................................................................... 42
2
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