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| 型號(hào)： | MAX6319LHUK39DX-T |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁(yè)數(shù)： | 3/14頁(yè) |
| 文件大?。?/td> | 205K |
| 代理商： | MAX6319LHUK39DX-T |
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MAX6316–MAX6322
5-Pin P Supervisory Circuits with
Watchdog and Manual Reset
______________________________________________________________________________________
11
Figure 10 shows an example of a flow diagram where
the I/O driving the watchdog input is set high at the
beginning of the program, set low at the end of every
subroutine or loop, then set high again when the pro-
gram returns to the beginning. If the program should
hang in any subroutine, the problem would be quickly
corrected, since the I/O is continually set low and the
watchdog timer is allowed to time out, causing a reset
or interrupt to be issued. As described in the Watchdog
Input Current section, this scheme results in higher time
average WDI current than does leaving WDI low for the
majority of the timeout period and periodically pulsing it
low-high-low.
START
SET WDI
HIGH
PROGRAM
CODE
SUBROUTINE OR
PROGRAM LOOP
SET WDI LOW
RETURN
POSSIBLE
INFINITE LOOP PATH
Figure 10. Watchdog Flow Diagram
GND
WDI
MR
15 VCC
RESET
MAX6316
MAX6320
SOT23-5
TOP VIEW
2
34
GND
WDI
MR
15 VCC
RESET
MAX6317
SOT23-5
2
34
GND
WDI
RESET
15 VCC
RESET
MAX6318
MAX6321
SOT23-5
2
34
GND
MR
RESET
15 VCC
RESET
MAX6319
MAX6322
SOT23-5
2
34
__________________Pin Configurations
MAX6316
GND
MANUAL
RESET
I/O
WDI
MR
GND
P
VCC
VIN
VCC
RESET
Typical Operating Circuit
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6319LHUK39DY-T | 制造商:MAXIM 制造商全稱(chēng):Maxim Integrated Products 功能描述:Analog IC |
| MAX6319LHUK39DZ-T | 制造商:MAXIM 制造商全稱(chēng):Maxim Integrated Products 功能描述:Analog IC |
| MAX6319LHUK40A | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX6319LHUK40A+T | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6319LHUK40A-T | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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