ISO7420E, ISO7420FE, ISO7421E, ISO7421FE

SLLSE45F – DECEMBER 2010 – REVISED JULY 2015

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Table of Contents

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

1

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

6.14

Typical Characteristics .......................................... 12

2

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

7

Parameter Measurement Information ................ 15

3

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

8

Detailed Description ............................................ 16

4

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

8.1

Overview ................................................................. 16

5

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

8.2

Functional Block Diagram ....................................... 16

6

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

8.3

Feature Description................................................. 17

6.1

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

8.4

Device Functional Modes........................................ 20

6.2

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

9

Applications and Implementation ...................... 21

6.3

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

9.1

Application Information............................................ 21

6.4

Thermal Information .................................................. 5

9.2

Typical Application ................................................. 21

6.5

Electrical Characteristics: VCC1 and VCC2 = 5 V ±

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

10

Power Supply Recommendations ..................... 24

6.6

Electrical Characteristics: VCC1 = 5 V ± 10%, VCC2 =

11

Layout................................................................... 25

3.3 V ± 10% ............................................................... 7

11.1

Layout Guidelines ................................................. 25

6.7

Electrical Characteristics: VCC1 = 3.3 V ± 10%, VCC2

11.2

Layout Example .................................................... 25

= 5 V ± 10% ............................................................... 8

12

Device and Documentation Support ................. 26

6.8

Electrical Characteristics: VCC1 and VCC2 = 3.3 V ±

12.1

Documentation Support ........................................ 26

10% ............................................................................ 9

12.2

Related Links ........................................................ 26

6.9

Power Dissipation Characteristics ............................ 9

12.3

Community Resources.......................................... 26

6.10

Switching Characteristics: VCC1 and VCC2 = 5 V ±

12.4

Trademarks ........................................................... 26

10% .......................................................................... 10

12.5

Electrostatic Discharge Caution ............................ 26

6.11

Switching Characteristics: VCC1 = 5 V ± 10%, VCC2

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

12.6

Glossary ................................................................ 26

6.12

Switching Characteristics: VCC1 = 3.3 V ± 10%,

13

Mechanical, Packaging, and Orderable

VCC2 = 5 V ± 10% .................................................... 11

Information ........................................................... 26

6.13

Switching Characteristics: VCC1 and VCC2 = 3.3 V ±

4 Revision History

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

Changes from Revision E (January 2013) to Revision F

Page

•

Changed the datasheet format to the new TI standard.......................................................................................................... 1

•

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

•

Deleted text from the Description: "CC-grade devices have integrated 10ns-filters for harsh environments where

short noise pulses may be present at the device input pins." ................................................................................................ 1

•

VDE standard changed to DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 ...................................................................... 1

•

Deleted CC-grade from tPLH, tPHL in the Switching Characteristics table.............................................................................. 10

•

Deleted CC-grade from tPLH, tPHL in the Switching Characteristics table.............................................................................. 10

•

Deleted CC-grade from tPLH, tPHL in the Switching Characteristics table.............................................................................. 11

•

Deleted CC-grade from tPLH, tPHL in the Switching Characteristics table.............................................................................. 11

•

Changed the Available Options Table To the Feature Description table ............................................................................. 17

Changes from Revision D (December 2011) to Revision E

Page

•

Deleted devices ISO7420FCC and ISO7421FCC.................................................................................................................. 1

•

Changed the NOTE: text ...................................................................................................................................................... 17

•

Added table Note to VIORM .................................................................................................................................................... 18

•

Changed Z to Undetermined for the OUTPUT OUTA, OUTB column of the FUNCTION TABLE ....................................... 20

2

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