參數(shù)資料
型號： MIC1832M
廠商： MICREL INC
元件分類： 電源管理
英文描述： レP Supervisory Circuit
中文描述： 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8
封裝： SOIC-8
文件頁數(shù)： 1/8頁
文件大小： 164K
代理商： MIC1832M
1
The MIC1832 is a multifunction circuit which monitors
microprocessor activity, external reset and power
supplies in microprocessor based systems. The circuit
functions include a watchdog timer, power supply
monitor, microprocessor reset, and manual pushbutton
reset input.
The power supply line is monitored with a comparator
and an internal voltage reference. RST is forced low
when an out-of-tolerance condition exists and remains
asserted for at least 250ms after V
CC
rises above the
threshold voltage (2.55V or 2.88V). The RST pin will
remain logic low with V
CC
as low as 1.4V.
The Watchdog input (ST) monitors
μ
P activity and will
assert RST if no
μ
P activity has occurred within the
watchdog timeout period. The watchdog timeout period
is selectable with a nominal periods of 150, 600, or
1200 milliseconds.
1
2
3
4
TD
TOL
GND
8
7
6
5
V
CC
RST
RST
MIC1832
PBRST
ST
MIC1832N - 8 Lead Plastic DIP Package
MIC1832M - 8 Lead Plastic SOIC Package
Part
MIC1832N
MIC1832M
Package
8-Lead PDIP
8-Lead SOIC
Temp. Range
-40°C to +85°C
-40°C to +85°C
·
Automotive Systems
·
Intelligent Instruments
·
Critical Microprocessor Power Monitoring
·
Battery Powered Computers
·
Controllers
·
Power OK/Reset Time Delay, 250ms min.
·
Watchdog Timer, 150ms, 600ms, or
1.2s typical
·
Precision Supply Voltage Monitor, Select
Between 5% or 10% of Supply Voltage
·
Available in 8-pin Surface Mount (SO)
·
Debounced External Reset Input
·
Low Supply Current,
<
18
μ
A Typ.
VCC
RST
μP
RESET
VCC
MIC1832
VCC
PBRST
TOL GND
ST
I/O
TD
Typical Operating Circuit
Features
Description
Pin Configuration
Ordering Information
Typical Applications
Top View
MIC1832 μP Supervisory Circuit
MIC1832
μP Supervisory Circuit
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MIC1832M TR 功能描述:IC SUPERVISOR 2.88/2.55V 8-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:簡單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開路漏極或開路集電極 復(fù)位:低有效 復(fù)位超時:標(biāo)準(zhǔn)傳輸延遲為 60 µs 電壓 - 閥值:3V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:Digi-Reel® 其它名稱:LM8364BALMF30DKR
MIC1832MY 功能描述:監(jiān)控電路 Microprocessor Supervisor with Manual Reset, Watchdog Timer, 2.55V or 2.88V Threshold Voltage, 250ms Reset Pulse, and Push-Pull Active-High and Low Outputs (DS1832) 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
MIC1832MY TR 功能描述:監(jiān)控電路 Microprocessor Supervisor with Manual Reset, Watchdog Timer, 2.55V or 2.88V Threshold Voltage, 250ms Reset Pulse, and Push-Pull Active-High and Low Outputs (DS1832) 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
MIC1832N 功能描述:IC SUPERVISOR 2.88/2.55V 8-DIP RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:簡單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開路漏極或開路集電極 復(fù)位:低有效 復(fù)位超時:標(biāo)準(zhǔn)傳輸延遲為 60 µs 電壓 - 閥值:3V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:Digi-Reel® 其它名稱:LM8364BALMF30DKR
MIC1832NY 功能描述:監(jiān)控電路 Microprocessor Supervisor with Manual Reset, Watchdog Timer, 2.55V or 2.88V Threshold Voltage, 250ms Reset Pulse, and Push-Pull Active-High and Low Outputs (DS1832) 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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