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参数资料
| 型号： | DS1232LPSN-2+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/7页 |
| 文件大小： | 0K |
| 描述： | IC MICRO MONITOR LP IND 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 系列： | MicroMonitor™ |
| 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： | 可调节/可选择 |
| 电压 - 阀值： | 4.37V，4.62V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
DS1232LP/LPS
Low Power MicroMonitor Chip
www.dalsemi.com
FEATURES
PIN ASSIGNMENT
Super-low power version of DS1232
50 μ A quiescent current
Halts and restarts an out-of-control
microprocessor
Automatically restarts microprocessor after
power failure
PBRST
TD
TOL
GND
1
2
3
4
8
7
6
5
V CC
ST
RST
RST
NC
PBRST
NC
TD
NC
TOL
1
2
3
4
5
6
16
15
14
13
12
11
NC
VCC
NC
ST
NC
RST
Monitors pushbutton for external override
Accurate 5% or 10% microprocessor power
DS1232LP 8-Pin DIP (300-mil)
See Mech. Drawings Section
NC
GND
7
8
10
9
NC
RST
supply monitoring
8-pin DIP, 8-pin SOIC or space saving μ -SOP
package available
DS1232LPS 16-Pin SOIC (300-mil)
See Mech. Drawings Section
Optional 16-pin SOIC package available
Industrial temperature -40°C to +85°C
available, designated N
PBRST
TD
TOL
GND
1
2
3
4
8
7
6
5
V CC
ST
RST
RST
PBRST
TD
TOL
1
2
3
8
7
6
VCC
ST
RST
DS1232LP μ (118-mil μ -SOP)
GND
4
5
RST
See Mech. Drawings Section
DS1232LPS-2 8-Pin SOIC (150-mil)
See Mech. Drawings Section
PIN DESCRIPTION
PBRST
TD
TOL
GND
RST
RST
ST
V CC
- Pushbutton Reset Input
- Time Delay Set
- Selects 5% or 10% V CC Detect
- Ground
- Reset Output (Active High)
- Reset Output (Active Low, open
drain)
- Strobe Input
- +5 Volt Power
DESCRIPTION
The DS1232LP/LPS Low Power MicroMonitor Chip monitors three vital conditions for a
microprocessor: power supply, software execution, and external over-ride. First, a precision temperature-
compensated reference and comparator circuit monitors the status of V CC . When an out-of-tolerance
condition occurs, an internal power-fail signal is generated which forces reset to the active state. When
V CC returns to an in-tolerance condition, the reset signals are kept in the active state for a minimum of
250 ms to allow the power supply and processor to stabilize.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1232LPU | 功能描述:监控电路 Low Power MicroMonitor Chip 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 |
| DS1232LPU/T&R | 制造商:Maxim Integrated Products 功能描述:UMONITOR LOW POWER 8P USOP T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC MICRO MONITOR LP 8-USOP 制造商:Maxim Integrated Products 功能描述:Supervisory Circuits Low Power MicroMonitor Chip |
| DS1232LPU/T&R | 功能描述:监控电路 Low Power MicroMonitor Chip 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 |
| DS1232LPU+ | 功能描述:监控电路 Low Power MicroMonitor Chip 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 |
| DS1232LPU+T&R | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 4.62V 200UA 8USOP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC MICRO MONITOR LP 8-USOP 制造商:Maxim Integrated Products 功能描述:Supervisory Circuits Low Power MicroMonitor Chip |
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