74HCT123(2009) Просмотр технического описания (PDF) - NXP Semiconductors.
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74HCT123 Datasheet PDF : 24 Pages
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NXP Semiconductors
74HC123; 74HCT123
Dual retriggerable monostable multivibrator with reset
18. Contents
1
General description . . . . . . . . . . . . . . . . . . . . . . 1
2
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
17
Contact information. . . . . . . . . . . . . . . . . . . . . 23
18
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
© NXP B.V. 2009.
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: 13 July 2009
Document identifier: 74HC_HCT123_5
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