參數(shù)資料
型號： STM703
廠商： 意法半導(dǎo)體
英文描述： 5V Supervisor with Battery Switchover(5V帶電池轉(zhuǎn)換功能的監(jiān)控器)
中文描述： 5V的電池監(jiān)控與切換（5V的帶電池轉(zhuǎn)換功能的監(jiān)控器）
文件頁數(shù)： 1/37頁
文件大?。?/td> 775K
代理商： STM703
1/37
January 2006
STM690A, STM692A, STM703
STM704, STM802, STM805, STM817/8/9
5V Supervisor with Battery Switchover
* Contact local ST sales office for availability.
Rev 7.0
FEATURES SUMMARY
5V OPERATING VOLTAGE
NVRAM SUPERVISOR FOR EXTERNAL
LPSRAM
CHIP-ENABLE GATING (STM818 only) FOR
EXTERNAL LPSRAM (7ns max PROP
DELAY)
RST AND RST OUTPUTS
200ms (TYP) t
rec
WATCHDOG TIMER - 1.6sec (TYP)
AUTOMATIC BATTERY SWITCHOVER
LOW BATTERY SUPPLY CURRENT - 0.4μA
(TYP)
POWER-FAIL COMPARATOR (PFI/PFO)
LOW SUPPLY CURRENT - 40μA (TYP)
GUARANTEED RST (RST) ASSERTION
DOWN TO V
CC
= 1.0V
OPERATING TEMPERATURE:
–40°C to 85°C (Industrial Grade)
RoHS COMPLIANCE
Lead-free components are compliant with the
RoHS Directive.
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Figure 1. Packages
Table 1. Device Options
Note: 1. All RST and RST outputs are push-pull.
8
1
SO8 (M)
TSSOP8 3x3 (DS)*
Watchdog
Input
Active-
Low
RST
(1)
Active-
High
RST
(1)
Manual
Reset
Input
Battery
Switch-
over
Power-fail
Comparator
Chip-
Enable
Gating
Battery
Freshness
Seal
STM690A
STM692A
STM703
STM704
STM802L/M
STM805L
STM817L/M
STM818L/M
STM819L/M
相關(guān)PDF資料
PDF描述
STM818 5V Supervisor with Battery Switchover(5V帶電池轉(zhuǎn)換功能的監(jiān)控器)
STM819 5V Supervisor with Battery Switchover(5V帶電池轉(zhuǎn)換功能的監(jiān)控器)
STM690 3V Supervisor with Battery Switchover(3V帶電池轉(zhuǎn)換功能的監(jiān)控器)
STM704T 3V Supervisor with Battery Switchover
STM795R 3V Supervisor with Battery Switchover
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
STM703DS6E 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5 V supervisor with battery switchover
STM703DS6F 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5 V supervisor with battery switchover
STM703M6E 功能描述:監(jiān)控電路 5V Supervisor w/Battery Switchover 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
STM703M6F 功能描述:監(jiān)控電路 4.65V w/Batt Switch 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
STM704 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5V Supervisor with Battery Switchover
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