Table of Contents

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

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

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

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

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

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

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

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

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

4.6 Timing Requirements..................................................5

4.7 Timing Requirements..................................................6

4.8 Timing Requirements..................................................6

4.9 Switching Characteristics............................................6

4.10 Switching Characteristics..........................................6

4.11 Switching Characteristics.......................................... 7

4.12 Operating Characteristics......................................... 7

5 Parameter Measurement Information............................ 8

6 Detailed Description......................................................10

6.1 Overview................................................................... 10

6.2 Functional Block Diagram......................................... 10

6.3 Device Functional Modes..........................................10

7 Application and Implementation.................................. 11

7.1 Power Supply Recommendations............................. 11

7.2 Layout....................................................................... 11

8 Device and Documentation Support............................13

8.1 Documentation Support............................................ 13

8.2 Receiving Notification of Documentation Updates....13

8.3 Support Resources................................................... 13

8.4 Trademarks...............................................................13

8.5 Electrostatic Discharge Caution................................13

8.6 Glossary....................................................................13

9 Revision History............................................................ 13

10 Mechanical, Packaging, and Orderable

Information.................................................................... 13

CD54AC109, CD74AC109

SCHS326A – JANUARY 2003 – REVISED DECEMBER 2024

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