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 Operating Characteristics........................................... 5

6.8 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..........................................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 A (November 2020) to Revision B (December 2020)

Page

• Added WRKS package to device information table............................................................................................ 1

• Added WRKS package pinout diagram.............................................................................................................. 3

• Added example layout for WRKS package.......................................................................................................14

Changes from July 21, 2020 to November 11, 2020 (from Revision * (July 2020) to Revision A

(November 2020))

Page

• Changed data sheet from Advance Information to Production Data.............................................................. 0

SN74HCS244-Q1

SCLS821B – JULY 2020 – REVISED DECEMBER 2021

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