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參數(shù)資料
| 型號： | DS1232LP |
| 英文描述： | Low Power MicroMonitor Chip |
| 中文描述： | 低功耗、MicroMonitor芯片 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 96K |
| 代理商： | DS1232LP |
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111899
FEATURES
Halts and restarts an out-of-control
microprocessor
Holds microprocessor in check during power
transients
Automatically restarts microprocessor after
power failure
Monitors pushbutton for external override
Accurate 5% or 10% microprocessor power
supply monitoring
Eliminates the need for discrete components
Space-saving, 8-pin mini-DIP
Optional 16-pin SOIC surface mount package
Industrial temperature -40°C to +85°C
available, designated N
PIN ASSIGNMENT
PIN DESCRIPTION
PBRST
TD
TOL
GND
RST
- 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
- No Connections
RST
ST
V
CC
NC
DESCRIPTION
The DS1232 MicroMonitor Chip monitors three vital conditions for a microprocessor: power supply,
software execution, and external override. 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.
DS1232
MicroMonitor Chip
www.dalsemi.com
DS1232S 16-Pin SOIC (300-mil)
See Mech. Drawings Section
NC
PBRST
NC
TD
NC
TOL
NC
GND
NC
VCC
NC
ST
NC
RST
NC
RST
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
PBRST
DS1232 8-Pin DIP (300-mil)
See Mech. Drawings Section
TD
TOL
GND
VCC
ST
RST
1
2
3
4
8
7
6
5
RST
相關PDF資料 |
PDF描述 |
|---|---|
| DS1232LPS | Low Power MicroMonitor Chip |
| DS1236 | MicroManager Chip |
| DS1238 | MicroManager |
| DS1239 | MicroManager Chip |
| DS1243 | 0.05uV/C max, Single-Supply CMOS Operational Amplifier 10-MSOP -40 to 125 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS1232LP+ | 功能描述:監(jiān)控電路 Low Power MicroMonitor Chip RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| DS1232LPN | 功能描述:監(jiān)控電路 Low Power MicroMonitor Chip RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| DS1232LPN+ | 功能描述:監(jiān)控電路 Low Power MicroMonitor Chip RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| DS1232LPS | 功能描述:監(jiān)控電路 Low Power MicroMonitor Chip RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| DS1232LPS/T&R | 制造商:Maxim Integrated Products 功能描述:MICROMONITOR LOW POWER 16PIN SO TRL - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC MICRO MONITOR LP 16-SOIC 制造商:Maxim Integrated Products 功能描述:Supervisory Circuits Low Power MicroMonitor Chip |
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