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| 型号： | CAT823RTDI-GT3 |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR RESET TSOT-23-5 |
| 标准包装： | 3,000 |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 输出： | 推挽式，图腾柱 |
| 复位： | 低有效 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 2.63V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-5 细型，TSOT-23-5 |
| 供应商设备封装： | TSOT-23-5 |
| 包装： | 带卷 (TR) |
CAT823, CAT824, CAT825
System Supervisory Voltage
Reset with Watchdog and
Manual Reset
Description
The CAT823, CAT824, and CAT825 provide basic reset and
monitoring functions for the electronic systems. Each device monitors the
system voltage and maintains a reset output until that voltage reaches
the device’s specified trip value and then maintains the reset output
active condition until the device’s internal timer, after a minimum
http://onsemi.com
timer of 140 ms; to allow the systems power supply to stabilize.
The CAT823 and CAT824 also have a watchdog input which can be
used to monitor a system signal and cause a reset to be issued if the
signal fails to change state prior to a timeout condition.
SC ? 70
SD SUFFIX
CASE 419AC
TSOT ? 23
TD SUFFIX
CASE 419AE
The CAT823 and CAT825 also provide a manual reset input which
PIN CONNECTIONS
can be used to initiate reset if pulled low. This input can be directly
attached to a push ? button or a processor signal.
Features
RESET
GND
1
CAT823
V CC
?
?
?
?
?
?
?
?
Automatically Restarts Microprocessor after Power Failure
Monitors Pushbutton for External Override
Accurate Under Voltage System Monitoring
Brownout Detection System Reset for use with 3.0, 3.3, and 5.0 Volt
Systems
Pin and Function Compatible with the MAX823/24/25 Products
Operating Range from ? 40 ° C to +85 ° C
Available in TSOT ? 23 5 ? lead and SC ? 70 Packages
These Devices are Pb ? Free, Halogen Free/BFR Free and are RoHS
Compliant
MR
RESET
GND
RESET
RESET
1
1
CAT824
WDI
V CC
WDI
V CC
Applications
GND
CAT825
?
?
?
?
?
Microprocessor and Microcontroller Based Systems
Intelligent Instruments
Control Systems
Critical m P Monitors
Portable Equipment
RESET MR
(Top Views)
MARKING DIAGRAM
PIN FUNCTIONS
Pin Name
Function
XXXM G
G
RESET
GND
CMOS Push ? Pull Active Low Reset Output
Ground
XXX
M
= Specific Device Code
= Date Code
MR
RESET
WDI
V CC
Manual Reset input – Pulled high Internally by a 52 k W res-
istor designed to be driven low by a mechanical pushbutton,
open drain output or CMOS output.
CMOS Push ? Pull Active High Reset Output
Watchdog Timer Input – Designed to be driven by a processor
output or can be disabled by tri ? stating or leaving open.
Power Supply
G = Pb ? Free Package*
(*Note: Microdot may be in either location)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 11 of this data sheet.
? Semiconductor Components Industries, LLC, 2012
May, 2012 ? Rev. 8
1
Publication Order Number:
CAT823/D
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CAT823SSDI-G | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:System Supervisory Voltage Reset with Watchdog and Manual Reset |
| CAT823SSDI-GT3 | 功能描述:监控电路 SUP ACT LOW MR & WD 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 |
| CAT823STDI-G | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:System Supervisory Voltage Reset with Watchdog and Manual Reset |
| CAT823STDI-GT3 | 功能描述:监控电路 Supervisor,act low MR and WD 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 |
| CAT823TDI-GT3 | 功能描述:监控电路 SUP ACT LOW MR AND WD 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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