ADM1232ANZ Analog Devices Inc, ADM1232ANZ Datasheet

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ADM1232ANZ

Manufacturer Part Number
ADM1232ANZ
Description
IC SUPERVISOR FOR CPU 8DIP
Manufacturer
Analog Devices Inc
Type
Simple Reset/Power-On Resetr
Datasheet

Specifications of ADM1232ANZ

Number Of Voltages Monitored
1
Output
Open Drain, Push-Pull
Reset
Active High/Active Low
Reset Timeout
250 ms Minimum
Voltage - Threshold
Adjustable/Selectable
Operating Temperature
-40°C ~ 85°C
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Threshold Voltage
4.62V
No. Of Supervisors / Monitors
1
Supply Voltage Range
4.5V To 5.5V
Reset Type
Active-High / Active-Low
Supply Current
200µA
Delay Time
610ms
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Part Number:
ADM1232ANZ
Quantity:
2 000
FEATURES
Pin-compatible with MAX1232 and Dallas DS1232
Adjustable precision voltage monitor with 4.5 V and
Adjustable strobe monitor with 150 ms, 600 ms, or
No external components
Specified from −40°C to +85°C
APPLICATIONS
Microprocessor systems
Portable equipment
Computers
Controllers
Intelligent instruments
Automotive systems
GENERAL DESCRIPTION
The ADM1232 is pin-compatible with the MAX1232, DS1232LP,
and DS1232. The Analog Devices, Inc., ADM1232 is a micro-
processor monitoring circuit that can monitor the following:
The ADM1232 is available in four packages: an 8-lead MSOP
(RM-8), an 8-lead PDIP (N-8), a 16-lead wide SOIC (RW-16),
and an 8-lead narrow SOIC (R-8).
Rev. C
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
4.75 V options
1.2 sec options
Microprocessor supply voltage
Whether a microprocessor has locked up
External interrupts
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
TOLERANCE
PB RESET
GND
V
TD
CC
GND
FUNCTIONAL BLOCK DIAGRAM
Figure 2. Typical Supply Monitoring Application
ADM1232
TOLERANCE
WATCHDOG
DEBOUNCE
TIME-BASE
TD TOLERANCE
SELECT
SELECT
5%/10%
5V
©1997–2008 Analog Devices, Inc. All rights reserved.
STROBE
VREF
RESET
Supervisory Circuit
Figure 1.
Microprocessor
5V
10kΩ
MICROPROCESSOR
I/O
RESET
WATCHDOG
TIMER
ADM1232
ADM1232
www.analog.com
RESET
RESET
STROBE

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ADM1232ANZ Summary of contents

Page 1

FEATURES Pin-compatible with MAX1232 and Dallas DS1232 Adjustable precision voltage monitor with 4.5 V and 4.75 V options Adjustable strobe monitor with 150 ms, 600 ms, or 1.2 sec options No external components Specified from −40°C to +85°C APPLICATIONS Microprocessor ...

Page 2

ADM1232 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 3 Absolute Maximum Ratings ............................................................ 4 Thermal Resistance ...................................................................... 4 ESD Caution .................................................................................. 4 REVISION ...

Page 3

SPECIFICATIONS V = full operating range MIN Table 1. Parameter Min TEMPERATURE −40 POWER SUPPLY Voltage 4.5 Current STROBE AND PB RESET INPUTS Input High Level 2.0 Input Low Level −0.3 INPUT LEAKAGE ...

Page 4

ADM1232 ABSOLUTE MAXIMUM RATINGS T = 25°C unless otherwise noted. A Table 2. Parameter V CC Logic Inputs Storage Temperature Range Lead Temperature (Soldering, 10 sec) Vapor Phase (60 sec) Infrared (15 sec) Power Dissipation 1 N-8 2 RW-16, RM-8 ...

Page 5

PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS Table 4. Pin Function Descriptions Pin No. N-8, R-8, RW-16 RM-8 Mnemonic 10, 12, 14 RESET TOLERANCE 8 4 GND 9 ...

Page 6

ADM1232 CIRCUIT INFORMATION PB RESET The PB RESET input makes it possible to manually reset a system using either a standard push-button switch or a logic low input. An internal debounce circuit provides glitch immunity when used with a switch, ...

Page 7

OUTLINE DIMENSIONS 0.30 (0.0118) 0.10 (0.0039) COPLANARITY 0.10 CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS (IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN. 10.50 (0.4134) 10.10 (0.3976 7.60 (0.2992) ...

Page 8

ADM1232 0.210 (5.33) MAX 0.150 (3.81) 0.130 (3.30) 0.115 (2.92) 0.022 (0.56) 0.018 (0.46) 0.014 (0.36) CONTROLLING DIMENSIONS ARE IN INCHES; MILLIMETER DIMENSIONS (IN PARENTHESES) ARE ROUNDED-OFF INCH EQUIVALENTS FOR REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN. ...

Page 9

... ADM1232ARMZ-REEL 1 −40°C to +85°C 1 ADM1232ARMZ-REEL7 −40°C to +85°C ADM1232AN −40°C to +85°C 1 ADM1232ANZ −40°C to +85°C ADM1232ARW −40°C to +85°C ADM1232ARW-REEL −40°C to +85°C ADM1232ARW-REEL7 −40°C to +85°C 1 ADM1232ARWZ −40°C to +85°C ...

Page 10

ADM1232 NOTES Rev Page ...

Page 11

NOTES Rev Page ADM1232 ...

Page 12

ADM1232 NOTES ©1997–2008 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D07522-0-12/08(C) Rev Page ...

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