DS125BR800 Datasheet, PDF (2/59 Pages) Texas Instruments – Low-Power 12.5-Gbps 8-Channel Repeater With Input Equalization and Output De-Emphasis

DS125BR800
SNLS426E – AUGUST 2012 – REVISED JANUARY 2015
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Description (Continued) ........................................ 3
6 Pin Configuration and Functions ......................... 3
7 Specifications......................................................... 6
7.1 Absolute Maximum Ratings ...................................... 6
7.2 ESD Ratings.............................................................. 6
7.3 Recommended Operating Conditions....................... 6
7.4 Thermal Information .................................................. 6
7.5 Electrical Characteristics........................................... 7
7.6 Electrical Characteristics: Serial Management Bus
Interface .................................................................... 9
7.7 Timing Requirements ................................................ 9
7.8 Typical Characteristics ............................................ 11
8 Detailed Description ............................................ 12
8.1 Overview ................................................................. 12
8.2 Functional Block Diagram ....................................... 12
8.3 Feature Description................................................. 12
8.4 Device Functional Modes........................................ 15
8.5 Programming........................................................... 15
8.6 Register Maps ......................................................... 25
9 Application and Implementation ........................ 44
9.1 Application Information............................................ 44
9.2 Typical Application ................................................. 44
10 Power Supply Recommendations ..................... 48
10.1 3.3-V or 2.5-V Supply Mode Operation................. 48
10.2 Power Supply Bypassing ...................................... 49
11 Layout................................................................... 49
11.1 Layout Guidelines ................................................. 49
11.2 Layout Example .................................................... 50
12 Device and Documentation Support ................. 51
12.1 Documentation Support ........................................ 51
12.2 Trademarks ........................................................... 51
12.3 Electrostatic Discharge Caution ............................ 51
12.4 Glossary ................................................................ 51
13 Mechanical, Packaging, and Orderable
Information ........................................................... 51
4 Revision History
Changes from Revision D (March 2013) to Revision E
Page
• Added Pin Configuration and Functions section, 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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