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SN74HCS20

SCLS791A – MARCH 2020 – REVISED JUNE 2020

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Table of Contents

1

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

2

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

3

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

4

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

5

Pin Configuration and Functions ......................... 3

6

Specifications......................................................... 4

6.1

Absolute Maximum Ratings ...................................... 4

6.2

ESD Ratings.............................................................. 4

6.3

Recommended Operating Conditions ....................... 4

6.4

Thermal Information .................................................. 4

6.5

Electrical Characteristics........................................... 5

6.6

Switching Characteristics .......................................... 5

6.7

Typical Characteristics .............................................. 6

7

Parameter Measurement Information .................. 7

8

Detailed Description .............................................. 8

8.1

Overview ................................................................... 8

8.2

Functional Block Diagram ......................................... 8

8.3

Feature Description................................................... 8

8.4

Device Functional Modes.......................................... 9

9

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

9.1

Application Information............................................ 10

9.2

Typical Application .................................................. 10

10

Power Supply Recommendations ..................... 13

11

Layout................................................................... 13

11.1

Layout Guidelines ................................................. 13

11.2

Layout Example .................................................... 13

12

Device and Documentation Support ................. 14

12.1

Documentation Support ........................................ 14

12.2

Related Links ........................................................ 14

12.3

Community Resources.......................................... 14

12.4

Trademarks ........................................................... 14

12.5

Electrostatic Discharge Caution ............................ 14

12.6

Glossary ................................................................ 14

13

Mechanical, Packaging, and Orderable

Information ........................................................... 14

4 Revision History

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

Changes from Original (March 2020) to Revision A

Page

•

Added D package to data sheet ............................................................................................................................................ 1

•

Added D Package to Thermal Information Table ................................................................................................................... 4