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參數(shù)資料
| 型號(hào)： | DS1708EUA+ |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 3.3 and 5.0 Volt MicroMonitor |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | 0.118 INCH, ROHS COMPLIANT, MICRO, SOP-8 |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大?。?/td> | 251K |
| 代理商： | DS1708EUA+ |
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041305
FEATURES
§ 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
§ 20% tolerance compatible with 3.0V systems
§ Pin compatible with the MAXIM
MAX707/MAX708 in 8-pin DIP, 8-pin SOIC
packages
§ 8-pin DIP, 8-pin and m-SOP SOIC and 8-pin
m-SOP packages available
§ Industrial temperature range -40°C to +85°C
PIN ASSIGNMENT
See Mech. Drawings Section on website
DS1707 and DS1708_R/S/T
PIN DESCRIPTION
PBRST
- Pushbutton Reset Input
VCC
- Power Supply
GND
- Ground
IN
- Input
NMI
- Non-maskable Interrupt
NC
- No Connect
RST
- Active Low Reset Output
RST
- Active High Reset Output
DESCRIPTION
The DS1707/DS1708 3.3- or 5.0-Volt MicroMonitor monitors three vital conditions for a microprocessor:
power supply, voltage sense, and external override. A precision temperature-compensated reference and
comparator circuit monitor the status of VCC 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
the reset to an active state. When VCC 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.
DS1707/DS1708
3.3 and 5.0-Volt MicroMonitor
www.maxim-ic.com
8-Pin DIP (300-mil)
PBRST
VCC
GND
IN
RST
NC
NMI
1
2
3
4
8
7
6
5
8-Pin
m-SOP (118-mil)
RST
PBRST
VCC
NC
NMI
IN
GND
1
2
3
4
8
7
6
5
8-Pin SOIC (150-mil)
1
2
3
4
8
7
6
5
PBRST
VCC
GND
IN
RST
NC
NMI
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS1708EUA+T&R | 3.3 and 5.0 Volt MicroMonitor |
| DS1708REPA+ | 3.3 and 5.0 Volt MicroMonitor |
| DS1708RESA+ | 3.3 and 5.0 Volt MicroMonitor |
| DS1708REUA+ | 3.3 and 5.0 Volt MicroMonitor |
| DS1708SEPA+ | 3.3 and 5.0 Volt MicroMonitor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1708EUA/T&R-0 | 制造商:Maxim Integrated Products 功能描述:UMONITOR 5V 10% USOP T&R - Tape and Reel |
| DS1708EUA/T&R-0 | 功能描述:電壓監(jiān)測(cè)器/監(jiān)控器 RoHS:否 制造商:Texas Instruments 監(jiān)測(cè)電壓數(shù):2 監(jiān)測(cè)電壓:Adjustable 輸出類型:Open Drain 欠電壓閾值: 過(guò)電壓閾值: 準(zhǔn)確性:1 % 工作電源電壓:1.5 V to 6.5 V 工作電源電流:1.8 uA 最大工作溫度:+ 125 C 封裝 / 箱體:SON-6 安裝風(fēng)格:SMD/SMT |
| DS1708EUA+ | 功能描述:監(jiān)控電路 3.3/5V MicroMonitor RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)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(kāi)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 |
| DS1708EUA+T&R | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 4.4V 60UA 8USOP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC MICROMONITOR 5V 10% 8-USOP 制造商:Maxim Integrated Products 功能描述:Supervisory Circuits 3.3/5V MicroMonitor |
| DS1708EUA+T&R | 功能描述:監(jiān)控電路 3.3/5V MicroMonitor RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)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(kāi)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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