© Koninklijke Philips Electronics N.V. 2005

All rights are reserved. Reproduction in whole or in part is prohibited without the prior

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consequence of its use. Publication thereof does not convey nor imply any license under

patent- or other industrial or intellectual property rights.

Date of release: 14 September 2005

Document number: 74HC_HCT4040_3

Published in The Netherlands

Philips Semiconductors

74HC4040; 74HCT4040

12-stage binary ripple counter

21. Contents

1

General description . . . . . . . . . . . . . . . . . . . . . . 1

2

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

3

Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

4

Quick reference data . . . . . . . . . . . . . . . . . . . . . 1

5

Ordering information . . . . . . . . . . . . . . . . . . . . . 2

6

Functional diagram . . . . . . . . . . . . . . . . . . . . . . 3

7

Pinning information . . . . . . . . . . . . . . . . . . . . . . 4

7.1

Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

7.2

Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 5

8

Functional description . . . . . . . . . . . . . . . . . . . 5

8.1

Function table . . . . . . . . . . . . . . . . . . . . . . . . . . 5

8.2

Timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . 6

9

Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 6

10

Recommended operating conditions. . . . . . . . 7

11

Static characteristics. . . . . . . . . . . . . . . . . . . . . 7

12

Dynamic characteristics . . . . . . . . . . . . . . . . . 11

13

Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

14

Package outline . . . . . . . . . . . . . . . . . . . . . . . . 17

15

Revision history . . . . . . . . . . . . . . . . . . . . . . . . 22

16

Data sheet status . . . . . . . . . . . . . . . . . . . . . . . 23

17

Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

18

Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

19

Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

20

Contact information . . . . . . . . . . . . . . . . . . . . 23