ADM708SAN 데이터 시트보기 (PDF) - Analog Devices

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ADM708SAN

3 V, Voltage Monitoring Microprocessor Supervisory Circuits

Analog Devices 

ADM706P/ADM706R/ADM706S/ADM706T, ADM708R/ADM708S/ADM708T

TABLE OF CONTENTS

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

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

Functional Block Diagrams............................................................. 1

General Description ......................................................................... 1

Revision History ............................................................................... 2

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

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

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

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

Typical Performance Characteristics ............................................. 8

Circuit Information ........................................................................ 10

Power-Fail Reset ......................................................................... 10

Manual Reset............................................................................... 10

Watchdog Timer (ADM706x) .................................................. 10

Power-Fail Comparator ............................................................. 11

Adding Hysteresis to the Power-Fail Comparator ................. 11

Valid RESET Below 1 V VCC ..................................................... 11

Applications Information .............................................................. 12

Monitoring Additional Supply Levels...................................... 12

Microprocessors with Bidirectional RESET ........................... 12

Outline Dimensions ....................................................................... 13

Ordering Guide .......................................................................... 14

REVISION HISTORY

5/08—Rev. B to Rev. C

Changes to Applications Section .................................................... 1

Changes to Table 2............................................................................ 5

Changes to Table 3............................................................................ 6

Changes to Figure 8 .......................................................................... 7

Changes to Figure 16........................................................................ 9

2/07—Rev. A to Rev. B

Updated Format..................................................................Universal

Changes to Table 1............................................................................ 3

Updated Outline Dimensions ....................................................... 12

Changes to Ordering Guide .......................................................... 13

Rev. C | Page 2 of 16

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