ADM6322C46ARJ Analog Devices Inc, ADM6322C46ARJ Datasheet

ADM6322C46ARJ

Manufacturer Part Number

ADM6322C46ARJ

Description

Manufacturer

Analog Devices Inc

Datasheet

1.ADM6322C46ARJ.pdf (11 pages)

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Meier Automation Equipment Co., Limited

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FEATURES

26 reset threshold options:

4 reset timeout options:

4 watchdog timeout options:

Manual reset input

Reset output stages:

Low power consumption (3 µA)

Guaranteed reset output valid to V

Power supply glitch immunity

Specified over industrial temperature range

5-lead SOT-23 package

APPLICATIONS

Microprocessor systems

Computers

Controllers

Intelligent instruments

Portable equipment

GENERAL DESCRIPTION

The ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/

ADM6321/ADM6322 are supervisory circuits which monitor

power supply voltage levels and code execution integrity in

microprocessor-based systems. As well as providing power on

reset signals, an on-chip watchdog timer can reset the

microprocessor if it fails to strobe within a preset timeout

period. A reset signal can also be asserted by means of an

external push-button, through a manual reset input. The seven

parts feature different combinations of watchdog input, manual

reset input and output stage configuration, as shown in Table 1.

Table 1. Selection Table

Part No.

ADM6316

ADM6317

ADM6318

ADM6319

ADM6320

ADM6321

ADM6322

Rev.PrC

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.

ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ADM6321/ADM6322

2.5 V to 5 V in 100 mV increments

1 ms, 20 ms, 140 ms, and 1120 ms (Min)

6.3 ms, 102 ms, 1600 ms, and 25.6s (Typ)

Push-pull active-low

Open-drain active-low

Push-pull active-high

Watchdog

Yes

–

Yes

–

PRELIMINARY TECHNICAL DATA

= 1 V

Yes

Manual Reset

Yes

–

Yes

Supervisory Circuits with Watchdog

and Manual Reset in 5-Lead SOT-23

Each part is available in a choice of 26 reset threshold options

ranging from 2.5 V to 5 V in 100 mV increments. There are also

four reset timeout options of 1 ms, 20 ms, 140 ms, and 1120 ms

(min) and four watchdog timeout options of 6.3 ms, 102 ms,

1600 ms, and 25.6s (typ).

The ADM6316-ADM6322 are available in 5-lead SOT-23

packages and typically consume only 3 µA, making them

suitable for use in low power portable applications.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.326.8703

REF

ADM6316

DEBOUNCE

RESET

Push-Pull

–

Push-Pull

Open-Drain

FUNCTIONAL BLOCK DIAGRAM

GND

GENERATOR

RESET

WATCHDOG

Figure 1.

DETECTOR

WDI

Output Stage

RESET

–

Push-Pull

–

Push-Pull

www.analog.com

RESET

Related parts for ADM6322C46ARJ

ADM6322C46ARJ Summary of contents

Page 1

... Rev.PrC 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 ...

Page 2

PRELIMINARY TECHNICAL DATA ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ADM6321/ADM6322 TABLE OF CONTENTS Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 5 ESD Caution.................................................................................. 5 Pin Configurations and Function Descriptions ........................... 6 Typical Performance Characteristics ..............................................7 Outline Dimensions ....................................................................... 10 Ordering Guide .......................................................................... 11 Rev.PrC | Page 2 of ...

Page 3

PRELIMINARY TECHNICAL DATA ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ADM6321/ADM6322 SPECIFICATIONS V = full operating range MIN Table 2. Parameter SUPPLY V Operating Voltage Range CC Supply Current RESET THRESHOLD VOLTAGE RESET THRESHOLD TEMPERATURE COEFFICIENT RESET THRESHOLD HYSTERESIS RESET ...

Page 4

PRELIMINARY TECHNICAL DATA ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ADM6321/ADM6322 Parameter WDI Input Threshold WDI Input Current MANUAL RESET INPUT (ADM6316, ADM6317, ADM6319, ADM6320, ADM6322) MR Input Threshold MR Input Pulse Width MR Glitch Rejection MR Pull-up Resistance MR to Reset Delay Min Typ Max Unit ...

Page 5

PRELIMINARY TECHNICAL DATA ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ADM6321/ADM6322 ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise noted. A Table 3. Parameter V CC RESET (ADM6320, ADM6321, ADM6322) Output Current (RESET, RESET ) Operating Temperature Range Storage Temperature Range θ Thermal Impedance, SOT-23 JA Lead ...

Page 6

PRELIMINARY TECHNICAL DATA ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ADM6321/ADM6322 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS RESET 1 5 ADM6316/ GND ADM6320 2 TOP VIEW (Not to Scale Figure 2. ADM6316/ADM6320 Pin Configuration RESET 1 5 ADM6318/ GND ADM6321 2 TOP VIEW (Not to ...

Page 7

PRELIMINARY TECHNICAL DATA ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ADM6321/ADM6322 TYPICAL PERFORMANCE CHARACTERISTICS 10.0 9.5 9.0 8 8.0 7.5 7.0 6.5 6 5.5 CC 5.0 4 1.5V CC 4.0 3.5 –40 – TEMPERATURE (°C) ...

Page 8

PRELIMINARY TECHNICAL DATA ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ADM6321/ADM6322 1.20 1.15 1.10 1.05 1.00 0.95 0.90 –40 – TEMPERATURE (°C) Figure 12. Normalized Watchdog Timeout Period vs. Temperature (ADM6316/ADM6317/ADM6318/ADM6320/ADM6321) 160 140 120 100 ...

Page 9

... D 1.12 1.60 Table 8. Standard Models Model Reset Threshold (V) ADM6316CY29ARJ 2.93 ADM6316CY46ARJ 4.63 ADM6318CY46ARJ 4.63 ADM6319C46ARJ 4.63 ADM6320CY29ARJ 2.93 ADM6320CY46ARJ 4.63 ADM6321CY46ARJ 4.63 ADM6322C46ARJ 4. +25°C A Typ Max 5.000 5.075 4.900 4.974 4.800 4.872 4.700 4.771 4.630 4.699 4.500 4.568 4.390 4.446 4 ...

Page 10

PRELIMINARY TECHNICAL DATA ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ADM6321/ADM6322 OUTLINE DIMENSIONS 1.60 BSC 1.30 1.15 0.90 0.15 MAX 2.90 BSC 5 4 2.80 BSC 2 3 PIN 1 0.95 BSC 1.90 BSC 1.45 MAX 0.22 0.08 10° 0.50 SEATING 0.30 PLANE COMPLIANT TO JEDEC STANDARDS ...

Page 11

... Complete the ordering code by inserting reset timeout, watchdog timeout (ADM6316/17/18/20/21) and reset threshold suffixes from tables Contact the factory for the availability of nonstandard models. See Table 8 for a list of standard models. © 2004 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. PR04533-0-6/04(PrC) A: -40° ...

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