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參數(shù)資料
| 型號： | DS1818-5 |
| 英文描述： | 3.3V EconoReset with Pushbutton |
| 中文描述： | 3.3 EconoReset與按鍵 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大小： | 61K |
| 代理商： | DS1818-5 |
1 of 5
111999
FEATURES
Automatically restarts a microprocessor after
power failure
Monitors pushbutton for external override
Maintains reset for 150 ms after V
CC
returns
to an in-tolerance condition
Reduces need for discrete components
Precision temperature-compensated voltage
reference and voltage sensor
Accurate 5%, 10% or 20% power monitoring
Low-cost TO-92 or space saving surface
mount SOT-23 packages available
Efficient open-drain output with internal
5.5 k
=
pull-up resistor
Operating temperature -40
°
C to +85
°
C
PIN ASSIGNMENT
PIN DESCRIPTION
TO-92
1
RST
2
V
CC
3
GND
Active Low Reset Output
Power Supply
Ground
SOT-23
1
2
3
RST
V
CC
GND
Active Low Reset Output
Power Supply
Ground
DESCRIPTION
The DS1818 EconoReset uses a precision temperature-compensated reference and comparator circuit to
monitor the status of the power supply (V
CC
). When an out-of-tolerance condition is detected, an internal
power-fail signal is generated which forces reset to the active state. When V
CC
returns to an in-tolerance
condition, the reset signal is kept in the active state for approximately 150 ms to allow the power supply
and processor to stabilize.
The DS1818 also monitors a pushbutton on the reset output. If the reset line is pulled low, a reset is
generated upon release and the DS1818 output will be held in reset output low for typically 150 ms.
DS1818
3.3V EconoReset with Pushbutton
www.dalsemi.com
1
2
3
SOT-23 PACKAGE
1 2 3
1 2 3
TO-92 PACKAGE
See Mech.
Drawings Section
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS1818 | 3.3V EconoReset with Pushbutton |
| DS1820 | 1-Wire Digital Thermometer |
| DS1821 | Programmable Digital Thermostat |
| DS1830 | Reset Sequence Pushbutton |
| DS1830A | Reset Sequence Pushbutton |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1818-5/T&R | 制造商:Maxim Integrated Products 功能描述:ECONORST 3.3V 5% W/PBRST TO-92 T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC ECONRST 3.3V W/PB 5% TO92-3 |
| DS1818-5/T&R | 功能描述:監(jiān)控電路 3.3V EconoReset w/Pushbutton 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 |
| DS1818-5+ | 功能描述:監(jiān)控電路 3.3V EconoReset w/Pushbutton 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 |
| DS1818-5+T&R | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 3.06V 35UA 3PIN TO-92 - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC ECONRST 3.3V W/PB 5% TO92-3 |
| DS1818-5+T&R | 功能描述:監(jiān)控電路 3.3V EconoReset w/Pushbutton 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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