Datasheet
NXP Semiconductors
74HC123; 74HCT123
Dual retriggerable monostable multivibrator with reset
© 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: 19 January 2015
Document identifier: 74HC_HCT123
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
18. Contents
1 General description. . . . . . . . . . . . . . . . . . . . . . 1
2 Features and benefits . . . . . . . . . . . . . . . . . . . . 1
3 Ordering information. . . . . . . . . . . . . . . . . . . . . 2
4 Functional diagram . . . . . . . . . . . . . . . . . . . . . . 2
5 Pinning information. . . . . . . . . . . . . . . . . . . . . . 4
5.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
5.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
6 Functional description . . . . . . . . . . . . . . . . . . . 5
7 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 5
8 Recommended operating conditions. . . . . . . . 6
9 Static characteristics. . . . . . . . . . . . . . . . . . . . . 6
10 Dynamic characteristics . . . . . . . . . . . . . . . . . . 8
11 Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
12 Application information. . . . . . . . . . . . . . . . . . 15
12.1 Timing component connections . . . . . . . . . . . 15
12.2 Power-up considerations . . . . . . . . . . . . . . . . 15
12.3 Power-down considerations . . . . . . . . . . . . . . 16
13 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 17
14 Abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . . 22
15 Revision history. . . . . . . . . . . . . . . . . . . . . . . . 22
16 Legal information. . . . . . . . . . . . . . . . . . . . . . . 23
16.1 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 23
16.2 Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
16.3 Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
16.4 Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 24
17 Contact information. . . . . . . . . . . . . . . . . . . . . 24
18 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25