ADM6821(Rev0) View Datasheet(PDF) - Analog Devices

Part Name

Description

MFG CO.

ADM6821
(Rev.:Rev0)

Low Voltage Supervisory Circuits with Watchdog and Manual Reset in 5-Lead SOT-23

Analog Devices 

ADM6821/ADM6822/ADM6823/ADM6824/ADM6825

TABLE OF CONTENTS

Specifications..................................................................................... 3

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

ESD Caution.................................................................................. 5

Pin Configurations and Function Descriptions ........................... 6

Typical Performance Characteristics ............................................. 7

Circuit Description........................................................................... 9

Reset Output ................................................................................. 9

Manual Reset Input ...................................................................... 9

Watchdog Input .............................................................................9

Application Information................................................................ 10

Watchdog Input Current ........................................................... 10

Negative-Going VCC Transients ................................................ 10

Ensuring Reset Valid to VCC = 0 V ........................................... 10

Watchdog Software Considerations......................................... 10

Outline Dimensions ....................................................................... 11

Ordering Guide .......................................................................... 11

REVISION HISTORY

6/05—Revision 0: Initial Version

Rev. 0 | Page 2 of 12

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