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參數(shù)資料
| 型號： | MAX6814 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 5-Pin Watchdog Timer Circuit |
| 中文描述： | 5引腳、看門狗定時器電路 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大小： | 631K |
| 代理商： | MAX6814 |
________________General Description
The MAX6814 is a low-power watchdog circuit in a tiny 5-
pin SC70 package. This device improves system reliability
by monitoring the system for software code execution
errors. When the watchdog input detects a transitional
edge, the internal watchdog timer clears and restarts,
then begins counting again. If the watchdog timer
exceeds the watchdog timeout period (1.6s typ), the
active-low, push-pull watchdog output asserts for the
watchdog pulse period (140ms min) to alert the system of
the fault.
The MAX6814 consumes only 4μA of supply current and
is fully specified over the extended temperature range.
________________________Applications
Computers and Controllers
Embedded Controllers
Intelligent Instruments
Automotive Systems
Critical μP Monitoring
Features
4μA Operating Current
Watchdog Timer with 1.6s Timeout
140ms (min)
WDO
Pulse Period
Push-Pull Active-Low
WDO
Fully Specified Over Extended Temperature
Range
No External Components
M
5-Pin Watchdog Timer Circuit
________________________________________________________________
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
19-2804; Rev 1; 3/04
Ordering Information
PART
TEMP
RANGE
PIN-
PACKAGE
5 SC70-5
TOP
MARK
AE K
MAX6814XK-T
- 40°C to + 85°C
Pin Configuration
Typical Operating Circuit
MAX6814
μ
P
V
CC
V
CC
V
CC
GND
GND
NMI
I/O
WDO
WDI
1
5
2
3
4
GND
WDI
V
CC
MAX6814
SC70-5
TOP VIEW
N.C.
WDO
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| MAX6814XK-T | 5-Pin Watchdog Timer Circuit |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6814EVKIT# | 制造商:Maxim Integrated Products 功能描述:EVKIT FOR 5-PIN WATCHDOG TIMER CIRCUIT - Boxed Product (Development Kits) 制造商:Maxim Integrated Products 功能描述:EVAL KIT FOR MAX6814 |
| MAX6814XK | 制造商:Maxim from Components Direct 功能描述:MAXIM MAX6814XK, SUPERVISORS - Boxed Product (Development Kits) 制造商:Maxim Integrated Products 功能描述:5-PIN WATCHDOG TIMER CIRCUIT - Rail/Tube 制造商:Maxim 功能描述:Maxim MAX6814XK, Watchdog Timer Circuit 2.25V-5.5V 5-pin SC70 |
| MAX6814XK+ | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 10UA - Rail/Tube |
| MAX6814XK+T | 功能描述:監(jiān)控電路 5-Pin Watchdog Timer Circuit 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 |
| MAX6814XK-T | 功能描述:監(jiān)控電路 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 |
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