NXP Semiconductors
HEF4541B
Programmable timer
© 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: 15 December 2015
Document identifier: HEF4541B
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. . . . . . . . . . . . . . . . . . . . . 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
12 Application information. . . . . . . . . . . . . . . . . . 10
RC oscillator timing component limitations. . . .10
13 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 12
14 Abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . . 13
15 Revision history. . . . . . . . . . . . . . . . . . . . . . . . 13
16 Legal information. . . . . . . . . . . . . . . . . . . . . . . 14
16.1 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 14
16.2 Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
16.3 Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 14
16.4 Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 15
17 Contact information. . . . . . . . . . . . . . . . . . . . . 15
18 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16