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參數資料
| 型號： | DS1706TEPA |
| 英文描述： | Power Supply Supervisor |
| 中文描述： | 電源監(jiān)控 |
| 文件頁數： | 3/10頁 |
| 文件大小： | 183K |
| 代理商： | DS1706TEPA |
DS1705/DS1706
3 of 10
Watchdog Timer
The watchdog timer function forces
WDS
signals active when the
ST
input is not clocked within the 1
second time-out period. Time-out of the watchdog starts when
RST
(or RST) becomes inactive. If a high-
to-low transition occurs on the
ST
input pin prior to time-out, the watchdog timer is reset and begins to
time out again. If the watchdog timer is allowed to time out, the
WDS
signal is driven active (low) for a
minimum of 130 ms. The
ST
input can be derived from many microprocessor outputs. The typical signals
used are the microprocessors address signals, data signals, or control signals. When the microprocessor
functions normally, these signals would, as a matter of routine, cause the watchdog to be reset prior to
time-out. To guarantee that the watchdog timer does not time out, a high-to-low transition must occur at
or less than the minimum watchdog time-out of 1 second. A typical circuit example is shown in Figure 6.
MICROMONITOR BLOCK DIAGRAM
Figure 1
PUSH-BUTTON RESET
Figure 2
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相關PDF資料 |
PDF描述 |
|---|---|
| DS1706TESA | Power Supply Supervisor |
| DS1707EPA | IC-MICRO MONITOR |
| DS1707ESA | Voltage Detector |
| DS1708EPA | Voltage Detector |
| DS1708ESA | Voltage Detector |
相關代理商/技術參數 |
參數描述 |
|---|---|
| DS1706TEPA+ | 功能描述:監(jiān)控電路 3.3/5V MicroMonitor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數: 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 |
| DS1706TESA | 功能描述:監(jiān)控電路 3.3/5V MicroMonitor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數: 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 |
| DS1706TESA/T&R | 制造商:Maxim Integrated Products 功能描述:MAX706T 3.3V 5% ACT.LOW 8P-SO T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC MICROMONITOR 3.3V 5% 8-SOIC 制造商:Maxim Integrated Products 功能描述:Supervisory Circuits 3.3/5V MicroMonitor |
| DS1706TESA/T&R | 功能描述:監(jiān)控電路 3.3/5V MicroMonitor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數: 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 |
| DS1706TESA+ | 功能描述:監(jiān)控電路 3.3/5V MicroMonitor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數: 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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