Table of Contents

1 Features............................................................................1

2 Applications..................................................................... 1

3 Description.......................................................................1

4 Revision History.............................................................. 2

5 Device Comparison Table...............................................3

6 Pin Configuration and Functions...................................4

7 Specifications.................................................................. 5

7.1 Absolute Maximum Ratings........................................ 5

7.2 ESD Ratings............................................................... 5

7.3 ESD Ratings - IEC Specifications............................... 5

7.4 Recommended Operating Conditions.........................6

7.5 Thermal Information....................................................6

7.6 Electrical Characteristics.............................................7

7.7 Driver Section: Electrical Characteristics.................... 7

7.8 Switching Characteristics: Driver................................ 7

7.9 Receiver Section: Electrical Characteristics............... 8

7.10 Switching Characteristics: Receiver..........................8

7.11 Auto-powerdown Section: Electrical

Characteristics...............................................................9

7.12 Switching Characteristics: Auto-powerdown.............9

8 Parameter Measurement Information.......................... 10

9 Detailed Description......................................................13

9.1 Device Functional Modes..........................................13

10 Application and Implementation................................ 14

10.1 Application Information........................................... 14

11 Device and Documentation Support..........................15

11.1 Receiving Notification of Documentation Updates.. 15

11.2 Support Resources................................................. 15

11.3 Trademarks............................................................. 15

11.4 Electrostatic Discharge Caution.............................. 15

11.5 Glossary.................................................................. 15

12 Mechanical, Packaging, and Orderable

Information.................................................................... 15

4 Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Revision B (April 2009) to Revision C (July 2021)

Page

• Changed the Applications list............................................................................................................................. 1

• Deleted the Ordering Information table...............................................................................................................1

• Added the Device Information table....................................................................................................................1

• Added the Pin Configuration and Functions ...................................................................................................... 4

• Removed the thermal information from Absolute Maximum Ratingstable and moved the thermal information

to its own table....................................................................................................................................................5

• Added a table note for PW package of SN65C3221E regarding the minimum capacitance in ESD Ratings -

IEC Specifications table......................................................................................................................................5

• Changed thermal information for PW package of SN65C3221E. Added additional thermal information for

other packages................................................................................................................................................... 6

• Added the Detailed Desctipiton section............................................................................................................ 13

SN65C3221E, SN75C3221E

SLLS694C – NOVEMBER 2005 – REVISED JULY 2021

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