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SN54HC244, SN74HC244

SCLS130E – DECEMBER 1982 – REVISED MAY 2016

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Product Folder Links: SN54HC244 SN74HC244

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Copyright © 1982–2016, 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.............................................................. 4

6.3

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

6.4

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

6.5

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

6.6

Electrical Characteristics – SN54HC244 .................. 5

6.7

Electrical Characteristics – SN74HC244 .................. 6

6.8

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

6.9

6.10

6.11

Typical Characteristic.............................................. 8

7

Parameter Measurement Information .................. 9

8

Detailed Description ............................................ 11

8.1

Overview ................................................................ 11

8.2

Functional Block Diagram ....................................... 11

8.3

Feature Description................................................. 11

8.4

Device Functional Modes ....................................... 11

9

Application and Implementation ........................ 12

9.1

Application Information............................................ 12

9.2

Typical Application .................................................. 12

10

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

11

Layout................................................................... 13

11.1

Layout Guidelines ................................................. 13

11.2

Layout Example .................................................... 13

12

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

12.1

Related Links ........................................................ 14

12.2

Community Resources.......................................... 14

12.3

Trademarks ........................................................... 14

12.4

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

12.5

Glossary ................................................................ 14

13

Mechanical, Packaging, and Orderable

Information ........................................................... 14

4 Revision History

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

Changes from Revision D (August 2003) to Revision E

Page

•

Added ESD Ratings table, 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

•

Added Military Disclaimer to Features section ....................................................................................................................... 1

•

Added Applications section .................................................................................................................................................... 1

•

Removed Ordering Information table ..................................................................................................................................... 1

•

Added Device Information table ............................................................................................................................................. 1