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SN74LVC244A

SCAS414AA – NOVEMBER 1992 – REVISED JUNE 2016

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Copyright © 1992–2016, Texas Instruments Incorporated

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.............................................................. 5

6.3

Recommended Operating Conditions ....................... 5

6.4

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

6.5

Electrical Characteristics........................................... 6

6.6

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

6.7

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

6.8

Typical Characteristics .............................................. 7

7

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

8

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

8.1

Overview ................................................................... 9

8.2

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

8.3

Feature Description................................................... 9

8.4

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

9

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

9.1

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

9.2

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

10

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

11

Layout................................................................... 11

11.1

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

11.2

Layout Example .................................................... 11

12

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

12.1

Community Resources.......................................... 12

12.2

Trademarks ........................................................... 12

12.3

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

12.4

Glossary ................................................................ 12

13

Mechanical, Packaging, and Orderable

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

4 Revision History

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

Changes from Revision Z (January 2015) to Revision AA

Page

•

Updated Device Information table to show all available packages ........................................................................................ 1

•

Added RWP Package ............................................................................................................................................................ 3

•

Deleted GQN package from Pin Functions table ................................................................................................................... 4

•

Added package type in Thermal Information table................................................................................................................. 5

•

Added RWP thermal information to Thermal Information table and updated all thermal information for existing packages . 5

•

Updated all values for ZQN column in Thermal Information table ......................................................................................... 5

Changes from Revision Y (September 2010) to Revision Z

Page

•

Added Applications, Device Information table, Pin Functions table, ESD Ratings table, Thermal Information table,

Typical Characteristics, Feature Description section, Device Functional Modes, Application and Implementation

section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and

Mechanical, Packaging, and Orderable Information section. ................................................................................................. 1

•

Deleted Ordering Information table. ....................................................................................................................................... 1

•

Updated Features. .................................................................................................................................................................. 1