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| 型号： | MAX824SEUK+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/10页 |
| 文件大小： | 0K |
| 描述： | IC MPU SUPERVISORY CIRC SOT23-5 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 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： | 高有效/低有效 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 2.93V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-74A，SOT-753 |
| 供应商设备封装： | SOT-23-5 |
| 包装： | 标准包装 |
| 产品目录页面： | 1414 (CN2011-ZH PDF) |
| 其它名称： | MAX824SEUK+TDKR |
19-0487; Rev 5; 12/05
5-Pin Microprocessor Supervisory Circuits With
Watchdog Timer and Manual Reset
________________General Description
The MAX823/MAX824/MAX825 microprocessor (μP)
supervisory circuits combine reset output, watchdog,
and manual reset input functions in 5-pin SOT23 and
SC70 packages. They significantly improve system relia-
bility and accuracy compared to separate ICs or discrete
components. The MAX823/MAX824/MAX825 are specifi-
cally designed to ignore fast transients on V CC .
Seven preprogrammed reset threshold voltages are
available (see Reset Threshold Table ). All three devices
have an active-low reset output, which is guaranteed to
be in the correct state for V CC down to 1V. The MAX823
also offers a watchdog input and manual reset input.
The MAX824 offers a watchdog input and a comple-
mentary active-high reset. The MAX825 offers a manual
reset input and a complementary active-high reset. The
Selector Guide explains the functions offered in this
series of parts.
Features
? Precision Monitoring of +2.5V, +3V, +3.3V, and
+5V Power Supplies
? Operating Current: 6μA (MAX823L/M) (SC70)
2μA (MAX825T/S/R/Z/Y) (SC70)
? Fully Specified Over Temperature
? 140ms min Power-On Reset
? Guaranteed RESET Valid to V CC = 1V
? Power-Supply Transient Immunity
? Watchdog Timer with 1.6s Timeout
(MAX823/MAX824)
? Manual Reset Input (MAX823/MAX825)
? No External Components
Ordering Information
PART ?
TEMP. RANGE
PIN-PACKAGE
________________________Applications
Computers and Controllers
Embedded Controllers
MAX823 _EXK-T
MAX823_EUK-T
MAX824 _EXK-T
-40°C to +85°C
-40°C to +125°C
-40°C to +85°C
5 SC70-5
5 SOT23-5
5 SC70-5
Intelligent Instruments
Automotive Systems
Critical μP Monitoring
Portable/Battery-Powered Equipment
Reset Threshold Table
? Insert the desired suffix letter (from the Reset Threshold table) into
the blank to complete the part number. All devices are available in
tape-and-reel only. There is a 2500 piece minimum order increment.
Devices are available in both leaded and lead-free packaging.
Specify lead-free by replacing “-T” with “+T” when ordering.
Ordering Information continued at end of data sheet.
SUFFIX
RESET
THRESHOLD (V)
______________________Selector Guide
L
M
T
S
R
4.63
4.38
3.08
2.93
2.63
FUNCTION
Active-Low Reset
Active-High Reset
Watchdog Input
Manual Reset Input
MAX823
?
—
?
?
MAX824
?
?
?
—
MAX825
?
?
—
?
Z (SC70 only)
Y (SC70 only)
2.32
2.19
Typical Operating Circuit appears at end of data sheet.
Marking Information appears at end of data sheet.
Pin Configurations
TOP VIEW
RESET 1
GND 2
MAX823
5
V CC
RESET 1
GND 2
MAX824
5 V CC
RESET 1
GND 2
MAX825
5 V CC
MR 3
4
WDI
RESET 3
4 WDI
RESET 3
4
MR
SOT23/SC70
SOT23/SC70
SOT23/SC70
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX824SEUK-T+ | 制造商:Maxim Integrated Products 功能描述:Supervisory microprocessor,MAX824SEUK-T |
| MAX824SEXK | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube 制造商:Rochester Electronics LLC 功能描述: |
| MAX824SEXK+ | 制造商:Maxim Integrated Products 功能描述:MAXIM MAX824SEXK+, SUPERVISORS - Boxed Product (Development Kits) 制造商:Maxim Integrated Products 功能描述:Maxim MAX824SEXK+, Microprocessor Supervisory Circuit 2.93V Reset Threshold 2.5V/3V/3.3V/5V 5-pin SC70 |
| MAX824SEXK+T | 功能描述:监控电路 5-Pin MPU Supervisor 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 |
| MAX824SEXK-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 |
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