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參數資料
| 型號： | DS1705ESA |
| 英文描述： | Power Supply Supervisor |
| 中文描述： | 電源監控 |
| 文件頁數： | 1/10頁 |
| 文件大小： | 183K |
| 代理商： | DS1705ESA |
1 of 10
071700
FEATURES
Halts and restarts an out-of-control
microprocessor
Holds microprocessor in check during power
transients
Automatically restarts microprocessor after
power failure
Monitors pushbutton for external override
Accurate 5%, 10% or 20% resets for 3.3V
systems and 5% or 10% resets for 5.0V
systems
Eliminates the need for discrete components
3.3V 20% tolerance for use with 3.0V
systems
Pin-compatible with the MAXIM
MAX705/MAX706 in 8-pin DIP, 8-pin SOIC,
and
μ
-SOP
8-pin DIP, 8-pin SOIC and 8-pin
μ
-SOP
packages
Industrial temperature range -40
°
C to +85
°
C
PIN ASSIGNMENT
DS1705 and DS1706_R/S/T
(*DS1706L and DS1706P)
PIN DESCRIPTION
PBRST
V
CC
GND
IN
NMI
ST
RST
*RST
- Pushbutton Reset Input
- Power Supply
- Ground
- Input
- Non-maskable Interrupt
- Strobe Input
- Active Low Reset Output
- Active High Reset Output
(DS1706P and DS1706L only)
- Watchdog Status Output
WDS
DESCRIPTION
The DS1705/DS1706 3.3- or 5.0-Volt MicroMonitor monitors three vital conditions for a microprocessor:
power supply, software execution, and external override. A precision temperature compensated reference
and comparator circuit monitor the status of V
CC
at the device and at an upstream point for maximum
protection. When the sense input detects an out-of-tolerance condition a non-maskable interrupt is
generated. As the voltage at the device degrades, an internal power fail signal is generated which forces
DS1705/DS1706
3.3 and 5.0 Volt MicroMonitor
www.dalsemi.com
8-Pin
μ
-SOP (118-mil)
See Mech. Drawings Section
RST(*RST)
WDS
PBRST
V
CC
ST
NMI
IN
GND
1
2
3
4
8
7
6
5
8-Pin DIP (300 -mil)
PBRST
V
CC
GND
IN
WDS
RST
ST
NMI
1
2
3
4
8
7
6
5
8-Pin SOIC (150-mil)
1
2
3
4
8
7
6
5
PBRST
V
CC
GND
IN
WDS
RST(*RST)
ST
NMI
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相關PDF資料 |
PDF描述 |
|---|---|
| DS1706EPA | IC-MICRO MONITOR |
| DS1706ESA | Power Supply Supervisor |
| DS1706LEPA | (145.79 k) |
| DS1706LESA | Power Supply Supervisor |
| DS1706PEPA | Power Supply Supervisor |
相關代理商/技術參數 |
參數描述 |
|---|---|
| DS1705ESA/T&R | 制造商:Maxim Integrated Products 功能描述:MAX705 5V-5% ACT LOW 8PIN SOIC T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC MICROMONITOR 5V 5% 8-SOIC 制造商:Maxim Integrated Products 功能描述:Supervisory Circuits 3.3/5V MicroMonitor |
| DS1705ESA/T&R | 功能描述:監控電路 3.3/5V MicroMonitor RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 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 |
| DS1705ESA+ | 功能描述:監控電路 3.3/5V MicroMonitor RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 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 |
| DS1705ESA+T&R | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 4.65V 60UA 8SOIC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC MICROMONITOR 5V 5% 8-SOIC 制造商:Maxim Integrated Products 功能描述:Supervisory Circuits 3.3/5V MicroMonitor |
| DS1705ESA+T&R | 功能描述:監控電路 3.3/5V MicroMonitor RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 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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