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ADM6384 Datasheet

  • ADM6384

  • Microprocessor Supervisory Circuit in 4-Lead SC70

  • 536.86KB

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Microprocessor Supervisory
Circuit in 4-Lead SC70
ADM6384
FEATURES
Precision power supply monitoring
31 reset threshold options
1.58 V to 5.0 V
Four reset timeouts
1 ms, 20 ms, 140 ms, 1120 ms
Manual reset input
Reset output stage
Push-pull active-low
Guaranteed reset output valid to V
CC
= 1 V
Power supply glitch immunity
Specified over
鈭?0擄C
to +125擄C temperature range
4-lead SC70 package
FUNCTIONAL BLOCK DIAGRAMS
ADM6384
V
CC
V
REF
RESET
GENERATOR
RESET
MR
DEBOUNCE
GND
05305-001
Figure 1.
V
CC
V
CC
APPLICATIONS
Microprocessor systems
Computers
Controllers
Intelligent instruments
Portable equipment
ADM6384
MR
RESET
100k惟
05305-002
渭P
RESET
GND
GND
Figure 2.
GENERAL DESCRIPTION
The ADM6384 is a supervisory circuit that monitors power
supply voltage levels in microprocessor-based systems. A
power-on reset signal is generated when the supply voltage
rises to a preset threshold level. The debounced manual reset
input of the ADM6384 can be used to initiate a reset by means
of an external push-button or logic signal.
The part is available in a choice of 31 reset threshold options,
from 1.58 V to 5.0 V. The minimum reset timeout periods are
1 ms, 20 ms, 140 ms, and 1120 ms.
The ADM6384 is available in a 4-lead SC70 package and typi-
cally consumes only 7 渭A, making it suitable for use in low
power, portable applications.
Rev. 0
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.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
漏 2005 Analog Devices, Inc. All rights reserved.

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