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ISO7631FM, ISO7631FC, ISO7641FC

SLLSEC3F – SEPTEMBER 2012 – REVISED APRIL 2016

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Table of Contents

1

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

2

Applications ........................................................... 1

3

Description ............................................................. 1

4

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

5

Available Options................................................... 4

6

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

7

Specifications......................................................... 5

7.1

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

7.2

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

7.3

Recommended Operating Conditions ....................... 5

7.4

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

7.5

Electrical Characteristics: VCC1 and VCC2 at 5 V ±

10% ............................................................................ 6

7.6

Electrical Characteristics: VCC1 at 5 V ± 10% and

VCC2 at 3.3 V ± 10% .................................................. 6

7.7

Electrical Characteristics: VCC1 at 3.3 V ± 10% and

VCC2 at 5 V ± 10% ..................................................... 7

7.8

Electrical Characteristics: VCC1 and VCC2 at 3.3 V ±

10% ............................................................................ 7

7.9

Electrical Characteristics: VCC1 and VCC2 at 2.7 V

(ISO7631FM Only) ..................................................... 7

7.10

Power Dissipation Characteristics .......................... 7

7.11

Supply Current Characteristics: VCC1 and VCC2 at 5

V ± 10% ..................................................................... 8

7.12

Supply Current Characteristics: VCC1 at 5 V ± 10%

and VCC2 at 3.3 V ± 10% ........................................... 9

7.13

Supply Current Characteristics: VCC1 at 3.3 V ± 10%

and VCC2 at 5 V ± 10% .............................................. 9

7.14

Supply Current Characteristics: VCC1 and VCC2 at

3.3 V ± 10% ............................................................. 10

7.15

Supply Current Characteristics: VCC1 and VCC2 at

2.7 V (ISO7631FM Only) ........................................ 10

7.16

Switching Characteristics: VCC1 and VCC2 at 5 V ±

10% .......................................................................... 11

7.17

Switching Characteristics: VCC1 at 5 V ± 10% and

VCC2 at 3.3 V ± 10% ................................................ 11

7.18

Switching Characteristics: VCC1 at 3.3 V ± 10% and

VCC2 at 5 V ± 10% ................................................... 12

7.19

Switching Characteristics: VCC1 and VCC2 at 3.3 V ±

10% .......................................................................... 12

7.20

Switching Characteristics: VCC1 and VCC2 at 2.7 V

................................................................................. 13

7.21

Typical Characteristics .......................................... 14

8

Parameter Measurement Information ................ 17

9

Detailed Description ............................................ 19

9.1

Overview ................................................................. 19

9.2

Functional Block Diagram ....................................... 19

9.3

Feature Description................................................. 20

9.4

Device Functional Modes........................................ 23

10

Application and Implementation........................ 24

10.1

Application Information.......................................... 24

10.2

Typical Application ............................................... 24

11

Power Supply Recommendations ..................... 27

12

Layout................................................................... 27

12.1

Layout Guidelines ................................................. 27

12.2

Layout Example .................................................... 27

13

Device and Documentation Support ................. 28

13.1

Documentation Support ........................................ 28

13.2

Related Links ........................................................ 28

13.3

Community Resources.......................................... 28

13.4

Trademarks ........................................................... 28

13.5

Electrostatic Discharge Caution ............................ 28

13.6

Glossary ................................................................ 28

14

Mechanical, Packaging, and Orderable

Information ........................................................... 28

4 Revision History

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

Changes from Revision E (August 2015) to Revision F

Page

•

Changed the ISO7631 pin image in the Pin Configuration and Functions section ............................................................... 4

Changes from Revision D (September 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

•

Added 2.7-V (M-Grade), 3.3-V and 5-V Level Translation to Features section ..................................................................... 1

•

Deleted marked as column from Available Options table....................................................................................................... 4

•

Added Footnote 3 to Absolute Maximum Ratings table. ........................................................................................................ 5

•

Changed thermal metric values in the Thermal Information table. ........................................................................................ 6

•

Changed VCCX to VCCOin Electrical Characteristics: VCC1 and VCC2 at 5 V ± 10% table. ........................................................ 6

•

Added cross-reference to VI = VCCI in the Electrical Characteristics: VCC1 and VCC2 at 5 V ± 10% table. ....................... 6

•

Changed Footnote 1 of the Electrical Characteristics: VCC1 and VCC2 at 5 V ± 10% table for clarification. ..................... 6