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參數(shù)資料
| 型號： | DS1706 |
| 英文描述： | 3.3 and 5.0 Volt MicroMonitor |
| 文件頁數(shù)： | 1/10頁 |
| 文件大小： | 76K |
| 代理商： | DS1706 |
AlCopyright 1995 by Dallas Semiconductor Corporation.
DS1705/DS1706
3.3 and 5.0 Volt MicroMonitor
DSDS1705/DS1706
011296 1/10
FEATURES
Halts and restarts an out–of–control microprocessor
Holds microprocessor in check during power tran-
sients
Automatically restarts microprocessor after power
failure
Monitors pushbutton for external override
Accurate 5%, 10% or 20% resets for 3.3 systems and
5% or 10% resets for 5.0 volt systems
Eliminates the need for discrete components
3.3 volt 20% tolerance for use with 3.0 volt systems
Pin compatible with the MAXIM MAX705/MAX706 in
8–pin DIP and 8–pin SOIC
8–pin DIP, 8–pin SOIC and 8–pin
μ
–SOP packages
Industrial temperature range –40
°
C to +85
°
C
PIN ASSIGNMENT
WDS
RST (*RST)
ST
NMI
1
2
3
4
PBRST
V
CC
GND
IN
8
7
6
5
8
7
6
5
1
2
3
4
PBRST
V
CC
GND
IN
WDS
RST (*RST)
ST
NMI
8–PIN DIP
(300 MIL)
8(150 MIL)
1
2
3
4
8
7
6
5
PBRST
VCC
GND
IN
WDS
RST
ST
NMI
8–PIN
μ
–SOP
(118 MIL)
See Mech. Drawings
Section
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 moni-
tors three vital conditions for a microprocessor: power
supply, software execution, and external override. A
precision temperature compensated reference and
comparator circuit monitors the status of V
CC
at the
device and at an upstream point for maximum protec-
tion. 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 the reset to an active
state. When V
CC
returns to an in–tolerance condition,
the reset signal is kept in the active state for a minimum
of 130 ms to allow the power supply and processor to
stabilize.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS1706L | 3.3 and 5.0 Volt MicroMonitor |
| DS1706P | 3.3 and 5.0 Volt MicroMonitor |
| DS1706R | 3.3 and 5.0 Volt MicroMonitor |
| DS1706S | 3.3 and 5.0 Volt MicroMonitor |
| DS1706T | 3.3 and 5.0 Volt MicroMonitor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1706EPA | 功能描述:監(jiān)控電路 3.3/5V 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 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):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 |
| DS1706EPA+ | 功能描述:監(jiān)控電路 3.3/5V 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 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):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 |
| DS1706ESA | 功能描述:監(jiān)控電路 3.3/5V 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 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):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 |
| DS1706ESA/T&R | 制造商:Maxim Integrated Products 功能描述:MAX706 5V-10% ACT LOW 8PIN SOIC T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC MICROMONITOR 5V 10% 8-SOIC 制造商:Maxim Integrated Products 功能描述:Supervisory Circuits 3.3/5V MicroMonitor |
| DS1706ESA/T&R | 功能描述:監(jiān)控電路 3.3/5V 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 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):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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