DS80PCI102_15 Datasheet, PDF (2/46 Pages) Texas Instruments – 2.5-Gbps / 5.0-Gbps / 8.0-Gbps 1-Lane PCI-Express Repeater With Equalization and De-Emphasis

DS80PCI102
SNLS344G – JULY 2011 – REVISED AUGUST 2015
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Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 5
6.1 Absolute Maximum Ratings ..................................... 5
6.2 ESD Ratings.............................................................. 5
6.3 Recommended Operating Conditions....................... 5
6.4 Electrical Characteristics........................................... 6
6.5 Electrical Characteristics — Serial Management Bus
Interface .................................................................... 9
6.6 Timing Diagrams ..................................................... 10
6.7 Typical Characteristics ............................................ 11
7 Detailed Description ............................................ 12
7.1 Overview ................................................................. 12
7.2 Functional Block Diagram ....................................... 12
7.3 Feature Description................................................. 13
7.4 Device Functional Modes........................................ 15
7.5 Programming........................................................... 16
7.6 Register Maps ......................................................... 20
8 Application and Implementation ........................ 35
8.1 Application Information............................................ 35
8.2 Typical Application ................................................. 35
9 Power Supply Recommendations...................... 37
9.1 3.3-V or 2.5-V Supply Mode Operation................... 37
9.2 Power Supply Bypass ............................................. 38
10 Layout................................................................... 39
10.1 Layout Guidelines ................................................. 39
10.2 Layout Example .................................................... 39
11 Device and Documentation Support ................. 40
11.1 Device Support...................................................... 40
11.2 Documentation Support ........................................ 40
11.3 Community Resources.......................................... 40
11.4 Trademarks ........................................................... 40
11.5 Electrostatic Discharge Caution ............................ 40
11.6 Glossary ................................................................ 40
12 Mechanical, Packaging, and Orderable
Information ........................................................... 40
4 Revision History
Changes from Revision F (October 2014) to Revision G
Page
• Changed pin mapping for VIN and VDD to correct typo ........................................................................................................ 5
• Added full SMBus-to-EEPROM table mapping .................................................................................................................... 20
• Changed description of EEPROM bits to match corresponding SMBus register map description ..................................... 20
• Changed location of CHB VOD in Table 7 to match correct location in EEPROM map ...................................................... 23
• Changed address start and end numbers for Devices 0-3 to reflect correct bytes per device ........................................... 25
• Changed EEPROM bit description to match the description in the corresponding SMBus register map ........................... 25
• Changed location of CHA VOD in Table 9 to match correct location in EEPROM map ..................................................... 27
• Added information in Register Map about register bits saved to EEPROM ........................................................................ 29
Changes from Revision E (February 2013) to Revision F
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
2
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