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參數(shù)資料
| 型號： | STM6824RJWY6F |
| 廠商： | 意法半導(dǎo)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(fù)位監(jiān) |
| 文件頁數(shù)： | 7/26頁 |
| 文件大小： | 149K |
| 代理商： | STM6824RJWY6F |
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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(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| STM6824RWY6F | 功能描述:監(jiān)控電路 2.564 to 2.696VRST Watchdog 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(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(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 |
| STM6824SWY6F | 功能描述:監(jiān)控電路 Digital Switch Multi 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(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(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 |
| STM6824SWY6F-CUT TAPE | 制造商:ST 功能描述:STM6824 Series 2.93 V 140 ms Supervisor with Watchdog Timer & Push-Button Reset |
| STM6824TWY6F | 功能描述:監(jiān)控電路 3.000 to 3.150VRST Watchdog 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(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(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 |
| STM6825LWY6F | 功能描述:監(jiān)控電路 5-Pin 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(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(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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