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DS8921
,
DS8921A
,
DS8921AT
SNLS374D –MAY 1998–REVISED JANUARY 2015
www.ti.com
Table of Contents
8.1 Overview................................................................... 8
1 Features.................................................................. 18.2 Functional Block Diagram......................................... 8
2 Applications ........................................................... 18.3 Feature Description................................................... 8
3 Description............................................................. 18.4 Device Functional Modes.......................................... 8
4 Revision History..................................................... 29 Application and Implementation .......................... 9
5 Pin Configuration and Functions......................... 39.1 Application Information.............................................. 9
6 Specifications......................................................... 39.2 Typical Application.................................................... 9
6.1 Absolute Maximum Ratings ...................................... 310 Power Supply Recommendations ..................... 12
6.2 ESD Ratings.............................................................. 411 Layout................................................................... 12
6.3 Recommended Operating Conditions....................... 411.1 Layout Guidelines ................................................. 12
6.4 Electrical Characteristics........................................... 411.2 Layout Example .................................................... 12
6.5 Receiver Switching Characteristics .......................... 512 Device and Documentation Support................. 13
6.6 Driver Switching Characteristics: Single-Ended
Characteristics ........................................................... 512.1 Related Links ........................................................ 13
6.7 Driver Switching Characteristics: Differential 12.2 Trademarks........................................................... 13
Characteristics ........................................................... 512.3 Electrostatic Discharge Caution............................ 13
6.8 Typical Characteristics.............................................. 612.4 Glossary................................................................ 13
7 Parameter Measurement Information .................. 613 Mechanical, Packaging, and Orderable
7.1 AC Test Circuits and Switching Diagrams................ 6Information ........................................................... 13
8 Detailed Description.............................................. 8
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
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