HEF4520B
NXP Semiconductors
Dual binary counter
16. Contents
1
2
3
4
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features and benefits . . . . . . . . . . . . . . . . . . . . 1
Ordering information. . . . . . . . . . . . . . . . . . . . . 1
Functional diagram . . . . . . . . . . . . . . . . . . . . . . 2
5
5.1
5.2
Pinning information. . . . . . . . . . . . . . . . . . . . . . 3
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3
6
Functional description . . . . . . . . . . . . . . . . . . . 3
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 4
Recommended operating conditions. . . . . . . . 4
Static characteristics. . . . . . . . . . . . . . . . . . . . . 5
Dynamic characteristics . . . . . . . . . . . . . . . . . . 5
Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Package outline . . . . . . . . . . . . . . . . . . . . . . . . . 9
Revision history. . . . . . . . . . . . . . . . . . . . . . . . 11
7
8
9
10
11
12
13
14
Legal information. . . . . . . . . . . . . . . . . . . . . . . 12
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 12
Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 13
14.1
14.2
14.3
14.4
15
16
Contact information. . . . . . . . . . . . . . . . . . . . . 13
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
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. 2011.
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: 18 November 2011
Document identifier: HEF4520B