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參數(shù)資料
| 型號： | STM6825MJWY6F |
| 廠商： | 意法半導體 |
| 英文描述： | 5-pin Supervisor with watchdog timer and push-button reset |
| 中文描述： | 5引腳看門狗定時器和按鈕復位監(jiān) |
| 文件頁數(shù)： | 7/26頁 |
| 文件大?。?/td> | 149K |
| 代理商： | STM6825MJWY6F |
STM6321/6322STM6821/6822/6823/6824/6825
Summary description
7/26
1.1
Pin descriptions
1.1.1
Active-low, push-pull reset output (RST) - STM6822/6823/6824/6825
Pulses low when triggered, and stays low whenever V
CC
is below the reset threshold or
when MR is a logic low. It remains low for t
rec
after either V
CC
rises above the reset
threshold, the watchdog triggers a reset, or MR goes from low to high.
1.1.2
Active-low, open drain reset output (RST) - STM6321/6322/6822
Pulses low when triggered, and stays low whenever V
CC
is below the reset threshold or
when MR is a logic low. It remains low for t
rec
after either V
CC
rises above the reset
threshold, the watchdog triggers a reset, or MR goes from low to high. Connect a pull-up
resistor to supply voltage.
1.1.3
Push-button reset input (MR)
A logic low on MR asserts the reset output. Reset remains asserted as long as MR is low
and for t
rec
after MR returns high. This active-low input has an internal 52k
Ω
pull-up. It can
be driven from a TTL or CMOS logic line, or shorted to ground with a switch. Leave open if
unused.
1.1.4
Watchdog input (WDI)
If WDI remains high or low for at least 1.6s, the internal watchdog timer expires and reset is
asserted. The internal watchdog timer clears while reset is asserted or when WDI sees a
rising or falling edge. The watchdog function
CAN
be disabled if WDI is left unconnected or
is connected to a tri-state buffer output.
1.1.5
Active-high reset output (RST)
Active-high, push-pull reset output; inverse of RST.
Table 3.
Pin functions
Pin
Name
Function
STM6822
STM6823
STM6821
STM6321
STM6824
STM6322
STM6825
1
—
1
1
RST
Active-Low Reset Output
3
3
—
4
MR
Push-button Reset Input
4
4
4
—
WDI
Watchdog Input
—
1
3
3
RST
Active-High Reset Output
5
5
5
5
V
CC
V
SS
Supply Voltage
2
2
2
2
Ground
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| STM6825MWY6F | 功能描述:監(jiān)控電路 4.270 to 4.490VRST Manual Reset Input 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 |
| STM6825RWY6F | 功能描述:監(jiān)控電路 Supervisor 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 |
| STM6825SWY6F | 功能描述:監(jiān)控電路 SUPERVISOR WATCHDOG 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 |
| STM6825TWY6F | 功能描述:監(jiān)控電路 3.000 to 3.150VRST Manual Reset Input 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 |
| STM6904PWEDS6F | 功能描述:監(jiān)控電路 Quad Quint Ultra-Low Current Multi Volt 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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