Table of Contents

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

2 Description.......................................................................1

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

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

5 Specifications.................................................................. 4

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

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

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

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

5.5 Prerequisite for Switching Characteristics ................. 6

5.6 Switching Characteristics ...........................................6

6 Parameter Measurement Information............................ 8

7 Detailed Description........................................................9

7.1 Overview..................................................................... 9

7.2 Functional Block Diagram........................................... 9

7.3 Device Functional Modes..........................................10

8 Power Supply Recommendations................................11

9 Layout............................................................................. 11

9.1 Layout Guidelines..................................................... 11

10 Device and Documentation Support..........................12

10.1 Documentation Support.......................................... 12

10.2 Receiving Notification of Documentation Updates..12

10.3 Support Resources................................................. 12

10.4 Trademarks.............................................................12

10.5 Electrostatic Discharge Caution..............................12

10.6 Glossary..................................................................12

11 Mechanical, Packaging, and Orderable

Information.................................................................... 12

3 Revision History

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

Changes from Revision C (September 2003) to Revision D (March 2022)

Page

• Updated the numbering, formatting, tables, figures, and cross-references throughout the doucment to reflect

modern data sheet standards............................................................................................................................. 1

CD74HC93, CD74HCT93

SCHS138D – NOVEMBER 1998 – REVISED MARCH 2022

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