ADM809 Просмотр технического описания (PDF) - Analog Devices

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ADM809

Microprocessor Supervisory Circuits in 3-Lead SC70 and SOT-23

Analog Devices 

ADM803/ADM809/ADM810

TABLE OF CONTENTS

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

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

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

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

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

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

Absolute Maximum Ratings............................................................ 4

ESD Caution.................................................................................. 4

REVISION HISTORY

8/08—Rev. G to Rev. H

Added Figure 4; Renumbered Sequentially .................................. 5

Changes to Figure 8 .......................................................................... 6

Updated Outline Dimensions ......................................................... 9

Changes to Ordering Guide .......................................................... 10

9/06—Rev. F to Rev. G

Updated Outline Dimensions ......................................................... 9

Changes to Ordering Guide ............................................................ 9

6/05—Rev. E to Rev. F.

Changes to Ordering Guide ............................................................ 4

Updated Outline Dimensions ......................................................... 9

2/05—Rev. D to Rev. E.

Changes to Ordering Guide ............................................................ 4

2/05—Rev. C to Rev. D.

Changes to Ordering Guide ............................................................ 4

Updated Outline Dimensions ......................................................... 8

5/03—Rev. B to Rev. C.

Added ADM803..................................................................Universal

Changes to Features.......................................................................... 1

Changes to General Description .................................................... 1

Changes to Figure 1 .......................................................................... 1

Changes to Specifications ................................................................ 2

Changes to Table I ............................................................................ 3

Updated Ordering Guide................................................................. 4

Pin Configurations and Function Descriptions ............................5

Typical Performance Characteristics ..............................................6

Interfacing to Other Devices............................................................8

Ensuring a Valid Reset Output Down to VCC = 0 V .................8

Benefits of an Accurate Reset Threshold ...................................8

Interfacing to Microprocessors with Multiple Interrupts ........8

Outline Dimensions ..........................................................................9

Ordering Guide .......................................................................... 10

1/03—Rev. A to Rev. B.

Changes to Specifications.................................................................2

Changes to Table I .............................................................................3

Changes to Ordering Guide .............................................................4

Changes to TPCs 1–3, and TPC 7 ...................................................5

Updated Outline Dimensions..........................................................7

10/02—Rev. 0 to Rev. A.

Addition of SC70 package ................................................. Universal

Change to General Description.......................................................1

Changes to Specifications.................................................................2

Changes to Absolute Maximum Ratings........................................3

Change to Table I...............................................................................3

Change to Ordering Guide...............................................................4

Change to TPC 1 ...............................................................................5

Updated Outline Dimensions..........................................................7

4/97—Revision 0: Initial Version

Rev. H | Page 2 of 12

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