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參數(shù)資料
| 型號： | DS1831S |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | Multisupply Micromonitor |
| 中文描述： | 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 |
| 封裝： | 0.150 INCH, SOIC-16 |
| 文件頁數(shù)： | 10/14頁 |
| 文件大小： | 206K |
| 代理商： | DS1831S |
DS1831/A/B
10 of 14
The
ST
input can be derived from many microprocessor outputs. The most typical signals used are the
microprocessor 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 transition must occur at or less than the minimum
times shown in Table 1. A typical circuit example is shown in Figure 10. The watchdog timing is shown
in Figure 11.
The DS1831A watchdog function cannot be disabled. The watchdog strobe input must be strobed to avoid
a watchdog time-out however the watchdog status output can be disconnected yielding the same result.
WATCHDOG CIRCUIT EXAMPLE
Figure 10
TIMING DIAGRAM — STROBE INPUT
Figure 11
R1
PBRST
5V
PBRST
3.3V
DS1831
GND
WDS
IN1
NMI1
V
SENSE1
R2
ST
TD
WD
μP
V
CC
10k
INVALID
EDGES
VALID
EDGES
INDETERMINATE
EDGES
MIN
MAX
ST
WDS
t
ST
t
TD
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1831S/T&R | 制造商:Maxim Integrated Products 功能描述:MULTISUPPLY MONITOR 16P SOIC T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC MULTIMON 5V/3.3V 16-SOIC |
| DS1831S/T&R | 功能描述:監(jiān)控電路 3.3/5V Multisupply MicroMonitor 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 |
| DS1831S+ | 功能描述:監(jiān)控電路 3.3/5V Multisupply MicroMonitor 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 |
| DS1831S+T&R | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 4.63V/3.06V 100UA 16SOIC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC MULTIMON 5V/3.3V 16-SOIC |
| DS1831S+T&R | 功能描述:監(jiān)控電路 3.3/5V Multisupply MicroMonitor 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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