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參數(shù)資料
| 型號(hào)： | MAX6750KA26 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | UP Reset Circuits with Capacitor-Adjustable Reset/Watchdog Timeout Delay |
| 中文描述： | 復(fù)位電路的電容可調(diào)的復(fù)位/看門(mén)狗超時(shí)周期 |
| 文件頁(yè)數(shù)： | 6/14頁(yè) |
| 文件大小： | 187K |
| 代理商： | MAX6750KA26 |
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M
μP Reset Circuits with Capacitor-Adjustable
Reset/Watchdog Timeout Delay
6
_______________________________________________________________________________________
Pin Description (continued)
PIN
MAX6746
MAX6747
MAX6748
–
MAX6751
MAX6752
MAX6753
NAME
FUNCTION
5
5
—
WDS
Watchdog Select Input. WDS selects the watchdog mode. Connect
WDS to ground to select normal mode and the watchdog timeout
period. Connect WDS to V
CC
to select extended mode, multiplying the
basic timeout period by a factor of 128. A change in the state of WDS
clears the watchdog timer.
—
—
5
SET1
Logic Input. SET1 selects the watchdog window ratio or disables the
watchdog timer. See Table 1.
6
6
6
WDI
Watchdog Input.
MAX6746
–
MAX6751: A falling transition must occur on WDI within the
selected watchdog timeout period or a reset pulse occurs. The
watchdog timer clears when a transition occurs on WDI or whenever
RESET
is asserted. Connect SWT to ground to disable the watchdog
timer function.
MAX6752/MAX6753: WDI falling transitions within periods shorter than
t
WD1
or longer than t
WD2
force
RESET
to assert low for the reset timeout
period. The watchdog timer begins to count after
RESET
is deasserted.
The watchdog timer clears when a valid transition occurs on WDI or
whenever
RESET
is asserted. Connect SET0 high and SET1 low to
disable the watchdog timer function. See the
Watchdog Timer
section.
7
7
7
RESET
Push/Pull or Open-Drain Reset Output.
RESET
asserts whenever V
CC
or
RESET IN drops below the selected reset threshold voltage (V
TH
or
V
RESET IN
, respectively) or manual reset is pulled low.
RESET
remains
low for the reset timeout period after all reset conditions are deasserted,
and then goes high. The watchdog timer triggers a reset pulse (t
RP
)
whenever a watchdog fault occurs.
8
8
8
V
CC
Supply Voltage. V
CC
is the power-supply input and the input for fixed
threshold V
CC
monitor.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6750KA26+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX6750KA26+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 |
| MAX6750KA26-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 |
| MAX6750KA27 | 制造商:Maxim Integrated Products 功能描述:SINGLE/DUAL-VOLT MICROPROC. RESET C - Rail/Tube |
| MAX6750KA27+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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