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 Switching Characteristics, VCC = 1.5 V....................... 5

4.7 Switching Characteristics, VCC = 3.3 V ± 0.3 V...........6

4.8 Switching Characteristics, VCC = 5 V ± 0.5 V..............6

4.9 Operating Characteristics........................................... 6

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

6 Detailed Description........................................................9

6.1 Overview..................................................................... 9

6.2 Functional Block Diagram........................................... 9

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

7 Application Information................................................ 11

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

7.2 Layout....................................................................... 13

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

8.1 Documentation Support (Analog)..............................14

8.2 Receiving Notification of Documentation Updates....14

8.3 Support Resources................................................... 14

8.4 Trademarks...............................................................14

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

8.6 Glossary....................................................................14

9 Revision History............................................................ 14

10 Mechanical, Packaging, and Orderable

Information.................................................................... 15

CD74AC238

SCHS331B – FEBRUARY 2003 – REVISED JULY 2024

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