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参数资料
| 型号： | MAX698CWE+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/5页 |
| 文件大小： | 0K |
| 描述： | IC CNTRLR WATCHDOG 16-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 46 |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 输出： | 开路漏极，推挽式 |
| 复位： | 高有效/低有效 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 4.65V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC W |
| 包装： | 管件 |
MAX698/MAX699
Low-Cost, Power-On Reset
and Watchdog Controllers
General Description
The MAX698/MAX699 monitor the +5V supply in micro-
processor (μP) and digital systems. They supply a
RESET pulse of at least 140ms duration on power-up,
power-down, and during low-voltage brownout condi-
tions. Circuit reliability is increased at reduced cost by
eliminating all external components and adjustments.
The MAX699 includes all features of the MAX698, but
also provides a watchdog input to monitor microproces-
sor activity. The RESET output goes low if the watchdog
Features
o Precision Voltage Monitor
o Power-OK/Reset Time Delay
o Watchdog Timer
o Minimum Component Count
Ordering Information
input (WDI) is not toggled within 1 second. The watch-
dog feature can be disabled by leaving WDI open.
Both parts are supplied in 8-lead PDIP and 16-lead
0.3in wide small outline (SO) packages and are speci-
fied from 0°C to +70°C for C grade devices and -40°C
to +85°C for E devices. The SO versions, with more
pins than the 8-lead PDIP, have additional outputs not
available in DIP packages. These are RESET (without
inversion) and watchdog output ( WDO ).
Applications
PART*
MAX698 CPA
MAX698CWE
MAX698EPA
MAX698EWE
MAX699 CPA
MAX699CWE
MAX699EPA
MAX699EWE
TEMP RANGE
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
8 PDIP
16 Wide SO
8 PDIP
16 Wide SO
8 PDIP
16 Wide SO
8 PDIP
16 Wide SO
Computers
Controllers
Intelligent Instruments
Automotive Systems
Critical μP Power Monitoring
* Devices are available in both leaded and lead(Pb)-free pack-
aging. Specify lead free by adding the + symbol at the end of
the part number when ordering.
Pin Configuration
TOP VIEW
+
V CC
1
8
GND
Typical Operating Circuit
V CC
2
MAX698
7
RESET
MAX699*
+5V
+5V
GND
GND
3
4
6
5
N.C. (WDI)*
N.C.
DIP
1
2
V CC
V CC
GND
RESET
8
7
GND
V CC
1
2
16
15
RESET
RESET
3
GND
MAX698
N.C.
6
TO μ P
RESET
INPUT
V CC
GND
3
4
MAX698
MAX699*
14
13
N.C. (WDO)*
N.C.
4
5
N.C.
5
12
N.C.
GND
N.C.
N.C.
N.C.
N.C.
6
7
8
11
10
9
N.C. (WDI)*
N.C.
GND
* PIN LABELS IN ( ) ARE FOR MAX699 ONLY
SO
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-2349; Rev 4; 5/13
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX698CWE+ | 功能描述:监控电路 Power-On Reset & Watchdog Ctlr RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX698CWE+T | 功能描述:监控电路 Power-On Reset & Watchdog Ctlr RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX698CWE-T | 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX698EPA | 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX698EPA+ | 功能描述:监控电路 Power-On Reset & Watchdog Ctlr RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
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