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3793DC

Power-Voltage Monitoring IC with Watchdog Timer

Cypress Semiconductor 

MB3793-27D/28D/30D

Contents

Description .............................................................................................................................................................................. 1

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

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

1. Pin Assignment ................................................................................................................................................................. 3

2. Pin Description.................................................................................................................................................................. 3

3. Block Diagram ................................................................................................................................................................... 4

4. Block Functions ................................................................................................................................................................ 5

5. Absolute Maximum Ratings ............................................................................................................................................. 6

6. Recommended Operating Conditions ............................................................................................................................. 6

7. Electrical Characteristics ................................................................................................................................................. 7

7.1 DC Characteristics......................................................................................................................................................... 7

7.2 AC Characteristics......................................................................................................................................................... 8

8. Timing Diagram ................................................................................................................................................................. 9

9. Operation Sequence ....................................................................................................................................................... 14

10. Typical Characteristics................................................................................................................................................... 16

11. Application Example....................................................................................................................................................... 19

12. Usage Precaution............................................................................................................................................................ 21

13. Ordering Information ...................................................................................................................................................... 21

14. RoHS Compliance Information ...................................................................................................................................... 21

15. Package Dimensions ...................................................................................................................................................... 22

16. Major Changes ................................................................................................................................................................ 23

Document History................................................................................................................................................................. 23

Sales, Solutions, and Legal Information............................................................................................................................. 24

Document Number: 002-08488 Rev.*C

Page 2 of 24

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