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参数资料
型号： ADM8698
厂商： Analog Devices, Inc.
英文描述： Microprocessor Supervisory Circuits(微处理器监控电路)
中文描述： 微处理器监控电路（微处理器监控电路）
文件页数： 1/4页
文件大小： 88K
代理商： ADM8698
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
Mcroprocessor
Supervisory Circuits
ADM8698/ADM8699
FUNCT IONAL BLOCK DIAGRAM
GERESET
4.65V
V
CC
WATCINPUT
WDI
*
ADM8698/
ADM8699
RESET
WATCHDOG
OUTPUT
WDO
*
RESET
*
*
WDI (ADM8699 ONLY)
RESET (SOIC ONLY)
WDO
(ADM8699 SOIC ONLY)
TRANW (1 sec)
T Y PICAL APPLICAT ION CIRCUIT
*
ADM8699 ONLY
+5V
V
CC
WDI
*
GND
ADM8698/
ADM8699
RESET
μ
P POWER
μ
P SYSTEM
I/O LINE
μ
P RESET
FEATURES
Superior Upgrade for ADM698/ADM699, MAX698/MAX699
Guaranteed
RESET
Assertion with V
CC
= 1 V
Low 70
m
A Supply Current
Precision 4.65 V Voltage Monitor
Power OK/Reset Time Delay
Watchdog Timer
Minimum Component Count
Performance Specified over Temperature
APPLICATIONS
Microprocessor Systems
Computers
Controllers
Intelligent Instruments
Automotive Systems
Critical
m
P Power Monitoring
GE NE RAL DE SCRIPT ION
T he ADM8698/ADM8699 supervisory circuits provide power
supply monitoring and watchdog timing for microprocessor
systems.
T he ADM8698 monitors the 5 V V
CC
power supply and gener-
ates a
RESET
pulse during power up, power down and during
low voltage “Brown Out” conditions. T he
RESET
output is
guaranteed to be functional (logic low) with V
CC
as low as 1 V.
T he ADM8699 features an identical monitoring circuit as in the
ADM8698, plus an additional watchdog timer input to monitor
microprocessor activity. T he
RESET
output is forced low if the
watchdog input is not toggled within the 1 second watchdog
timeout period.
Both parts are available in 8-pin plastic DIP/SOIC and 16-lead
SOIC packages. T he 16-lead SOIC contains additional out-
puts
RESET
(without inversion) and Watchdog Output
WDO
(ADM8699 only).
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
World Wide Web Site: http://www.analog.com
Fax: 617/326-8703
Analog Devices, Inc., 1997
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相关代理商/技术参数
参数描述
ADM8698AN 功能描述:IC SUPERVISOR MPU 4.65V 8DIP RoHS:否 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 标准包装:1 系列:- 类型:简单复位/加电复位 监视电压数目:1 输出:开路漏极或开路集电极 复位:高有效 复位超时:- 电压 - 阀值:1.8V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:6-TSOP（0.059"，1.50mm 宽）5 引线 供应商设备封装:5-TSOP 包装:剪切带 (CT) 其它名称:NCP301HSN18T1GOSCT
ADM8698ANZ 功能描述:IC SUPERVISOR MPU 4.65V 8DIP RoHS:是 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 标准包装:1 系列:- 类型:简单复位/加电复位 监视电压数目:1 输出:开路漏极或开路集电极 复位:高有效 复位超时:- 电压 - 阀值:1.8V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:6-TSOP（0.059"，1.50mm 宽）5 引线 供应商设备封装:5-TSOP 包装:剪切带 (CT) 其它名称:NCP301HSN18T1GOSCT
ADM8698ARN 功能描述:IC SUPERVISOR MPU 4.65V 8SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 标准包装:1 系列:- 类型:简单复位/加电复位 监视电压数目:1 输出:开路漏极或开路集电极 复位:高有效 复位超时:- 电压 - 阀值:1.8V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:6-TSOP（0.059"，1.50mm 宽）5 引线 供应商设备封装:5-TSOP 包装:剪切带 (CT) 其它名称:NCP301HSN18T1GOSCT
ADM8698ARN-REEL 制造商:Analog Devices 功能描述:Processor Supervisor 4.65V 3V to 5.5V 8-Pin SOIC N T/R 制造商:Analog Devices 功能描述:IMPROVED ADM698 - Tape and Reel 制造商:Rochester Electronics LLC 功能描述:IMPROVED ADM698 - Tape and Reel
ADM8698ARNZ 制造商:Analog Devices 功能描述:Processor Supervisor 4.65V 3V to 5.5V 8-Pin SOIC N 制造商:Analog Devices 功能描述:Microprocessor Supervisor
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