DS8921_15 Datasheet, PDF (2/20 Pages) Texas Instruments – Differential Line Driver and Receiver Pair

DS8921, DS8921A, DS8921AT
SNLS374D – MAY 1998 – 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......................................................... 3
6.1 Absolute Maximum Ratings ...................................... 3
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Electrical Characteristics........................................... 4
6.5 Receiver Switching Characteristics .......................... 5
6.6 Driver Switching Characteristics: Single-Ended
Characteristics ........................................................... 5
6.7 Driver Switching Characteristics: Differential
Characteristics ........................................................... 5
6.8 Typical Characteristics .............................................. 6
7 Parameter Measurement Information .................. 6
7.1 AC Test Circuits and Switching Diagrams ................ 6
8 Detailed Description .............................................. 8
8.1 Overview ................................................................... 8
8.2 Functional Block Diagram ......................................... 8
8.3 Feature Description................................................... 8
8.4 Device Functional Modes.......................................... 8
9 Application and Implementation .......................... 9
9.1 Application Information.............................................. 9
9.2 Typical Application .................................................... 9
10 Power Supply Recommendations ..................... 12
11 Layout................................................................... 12
11.1 Layout Guidelines ................................................. 12
11.2 Layout Example .................................................... 12
12 Device and Documentation Support ................. 13
12.1 Related Links ........................................................ 13
12.2 Trademarks ........................................................... 13
12.3 Electrostatic Discharge Caution ............................ 13
12.4 Glossary ................................................................ 13
13 Mechanical, Packaging, and Orderable
Information ........................................................... 13
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision C (April 2013) to Revision D
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 B (November 2004) to Revision C
Page
• Changed layout of National Data Sheet to TI format. ........................................................................................................... 1
2
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