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參數(shù)資料
| 型號： | DS1233A |
| 英文描述： | 3.3V EconoReset |
| 中文描述： | 3.3V、經(jīng)濟型復位芯片 |
| 文件頁數(shù)： | 2/5頁 |
| 文件大?。?/td> | 121K |
| 代理商： | DS1233A |
DS1233A
2 of 5
OPERATION — PUSHBUTTON RESET
The DS1233A provides for a pushbutton switch to be connected to the
RST
output pin. When the
DS1233A is not in a reset cycle, it continuously monitors the
RST
signal for a low-going edge. If an edge
is detected, the DS1233A will debounce the switch by pulling the
RST
line low. After the internal timer
has expired, the DS1233A will continue to monitor the
RST
line. If the line is still low, the DS1233A will
continue to monitor the line looking for a rising edge. Upon detecting a release, the DS1233A will force
the
RST
line low and hold it low for 350ms.
NOTE:
For proper operation with an external pushbutton, a capacitor between 100pF and 0.01 F must be
connected between
RST
and ground. In applications where additional reset current is required, a
minimum capacitance of 500 pF should be used, along with a parallel external pull-up resistor of 1k
minimum.
BLOCK DIAGRAM
Figure 1
APPLICATION EXAMPLE
Figure 2
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS1233A-10 | 功能描述:監(jiān)控電路 3.3V EconoReset 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 |
| DS1233A-10/T&R | 制造商:Maxim Integrated Products 功能描述:ECONO RESET 3.3V TO-92 (10%)-TRL - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC ECONORESET 3.3V 10% TO92-3 |
| DS1233A-10/T&R | 功能描述:監(jiān)控電路 3.3V EconoReset 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 |
| DS1233A-10+ | 功能描述:監(jiān)控電路 3.3V EconoReset 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 |
| DS1233A-10+T&R | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 2.88V 50UA 3PIN TO-92 - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC ECONORESET 3.3V 10% TO92-3 |
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