NXP Semiconductors
74HC138; 74HCT138
3-to-8 line decoder/demultiplexer; inverting
© NXP Semiconductors N.V. 2015. All rights reserved.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Date of release: 26 January 2015
Document identifier: 74HC_HCT138
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
17. Contents
1 General description. . . . . . . . . . . . . . . . . . . . . . 1
2 Features and benefits . . . . . . . . . . . . . . . . . . . . 1
3 Ordering information. . . . . . . . . . . . . . . . . . . . . 1
4 Functional diagram . . . . . . . . . . . . . . . . . . . . . . 2
5 Pinning information. . . . . . . . . . . . . . . . . . . . . . 3
5.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
5.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3
6 Functional description . . . . . . . . . . . . . . . . . . . 4
7 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 4
8 Recommended operating conditions. . . . . . . . 5
9 Static characteristics. . . . . . . . . . . . . . . . . . . . . 5
10 Dynamic characteristics . . . . . . . . . . . . . . . . . . 7
11 Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
12 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 11
13 Abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . . 16
14 Revision history. . . . . . . . . . . . . . . . . . . . . . . . 16
15 Legal information. . . . . . . . . . . . . . . . . . . . . . . 17
15.1 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 17
15.2 Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
15.3 Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 17
15.4 Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 18
16 Contact information. . . . . . . . . . . . . . . . . . . . . 18
17 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
