Table of Contents

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

2 Applications..................................................................... 1

3 Description.......................................................................1

4 Revision History.............................................................. 2

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

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

5.2 ESD Ratings............................................................... 4

5.3 Recommended Operating Conditions.........................4

5.4 Thermal Information....................................................5

5.5 Electrical Characteristics.............................................5

5.6 Switching Characteristics............................................5

5.7 Operating Characteristics........................................... 6

5.8 Typical Characteristics................................................ 6

6 Parameter Measurement Information............................ 7

7 Detailed Description........................................................8

7.1 Overview..................................................................... 8

7.2 Functional Block Diagram........................................... 8

7.3 Feature Description.....................................................8

7.4 Device Functional Modes............................................9

8 Application and Implementation.................................. 10

8.1 Application Information............................................. 10

8.2 Typical Application.................................................... 10

9 Layout.............................................................................12

9.1 Layout Guidelines..................................................... 12

9.2 Layout Example........................................................ 12

10 Device and Documentation Support..........................13

10.1 Documentation Support.......................................... 13

10.2 Receiving Notification of Documentation Updates..13

10.3 Support Resources................................................. 13

10.4 Trademarks.............................................................13

10.5 Electrostatic Discharge Caution..............................13

10.6 Related Links.......................................................... 13

10.7 Community Resources............................................13

10.8 Glossary..................................................................13

4 Revision History

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

Changes from Revision E (September 2003) to Revision F (April 2021)

Page

• Updated the numbering format for tables, figures, and cross-references throughout the document..................1

• Updated to new data sheet standards................................................................................................................ 1

• Moved the HCT devices to a standalone data sheet (SCHS405) ......................................................................1

• RθJA increased for the D package (86 to 133.6 ℃/W) and decreased for the N package (80 to 65.2 ℃/W)......5

CD74HC11, CD54HC11

SCHS273F – AUGUST 1997 – REVISED APRIL 2021

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