參數(shù)資料
型號: MAX16998AAUA+
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 時鐘/數(shù)據(jù)恢復(fù)及定時提取
英文描述: 1 TIMER(S), PROGRAMMABLE TIMER, PDSO8
封裝: 3 X 3 MM, ROHS COMPLIANT, MO-187-AA, MICRO MAX PACKAGE-8
文件頁數(shù): 14/16頁
文件大小: 146K
代理商: MAX16998AAUA+
MAX16997/MAX16998
High-Voltage Watchdog Timers with
Adjustable Timeout Delay
_______________________________________________________________________________________
7
Timing Diagrams
VEN
VHYST
tWP INITIAL
tWP INITIAL = WATCHDOG TIMEOUT PERIOD x 8
tWP = WATCHDOG TIMEOUT PERIOD
tWDI = WDI TRIGGER PERIOD
3 CONSECUTIVE tWP WITHOUT TRIGGER ENABLE GOES LOW
3 CONSECUTIVE WATCHDOG TRIGGER (WDI) ENABLE GOES ACTIVE HIGH
tWP
tWD
tWP
1
2
31
2
3
tWP
tWDI
VPON
WDI
ENABLE
Figure 1. MAX16997A Timing Diagram
VRESETIN
VHYST
tRESET = RESET TIMEOUT PERIOD
tWP = WATCHDOG TIMEOUT PERIOD
tWDI = WDI TRIGGER PERIOD
3 CONSECUTIVE RESETS ENABLE GOES ACTIVE LOW
3 CONSECUTIVE WATCHDOG TRIGGER (WDI) ENABLE GOES ACTIVE HIGH
1
2
3
tWP
tWDI
tWP
tWDI
tRESET
VPON
WDI
ENABLE
RESET
Figure 2. MAX16998A Timing Diagram
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX16998AAUA/V+ 功能描述:監(jiān)控電路 Watchdog Timer w/Adj Timeout Delay 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 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
MAX16998AAUA/V+T 功能描述:監(jiān)控電路 Watchdog Timer w/Adj Timeout Delay 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 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
MAX16998AAUA+ 功能描述:監(jiān)控電路 Watchdog Timer w/Adj Timeout Delay 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 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
MAX16998AAUA+T 功能描述:監(jiān)控電路 Watchdog Timer w/Adj Timeout Delay 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 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
MAX16998BAUA/V+ 功能描述:監(jiān)控電路 Watchdog Timer w/Adj Timeout Delay 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 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel