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 ...................................................5

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

6.6 Switching Characteristics ...........................................6

6.7 Operating Characteristics .......................................... 6

6.8 Typical Characteristics................................................ 7

7 Parameter Measurement Information............................ 8

8 Detailed Description........................................................9

8.1 Overview..................................................................... 9

8.2 Functional Block Diagram........................................... 9

8.3 Feature Description.....................................................9

8.4 Device Functional Modes..........................................10

9 Application and Implementation.................................. 11

9.1 Application Information..............................................11

9.2 Typical Application.................................................... 11

10 Power Supply Recommendations..............................14

11 Layout........................................................................... 14

11.1 Layout Guidelines................................................... 14

11.2 Layout Example...................................................... 14

12 Device and Documentation Support..........................15

12.1 Documentation Support.......................................... 15

12.2 Receiving Notification of Documentation Updates..15

12.3 Support Resources................................................. 15

12.4 Trademarks.............................................................15

12.5 Electrostatic Discharge Caution..............................15

12.6 Glossary..................................................................15

13 Mechanical, Packaging, and Orderable

Information.................................................................... 16

4 Revision History

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

Changes from Revision * (September 2020) to Revision A (November 2020)

Page

• Added BQB Package to Device Information Table............................................................................................. 1

• Added BQB Package pinout diagram................................................................................................................. 3

• Added BQB Package to Thermal Information table............................................................................................5

Changes from Revision A (October 2020) to Revision B (May 2021)

Page

• Added DYY Package to Device Information Table............................................................................................. 1

• Added DYY Package pinout diagram and information to Pin Configuration and Functions............................... 3

• Added DYY Package to Thermal Information table............................................................................................ 5

SN74HCS238

SCLS835B – OCTOBER 2020 – REVISED MAY 2021

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