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參數資料
| 型號： | MAX6842DUKD3 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Ultra-Low-Voltage uP Reset Circuits and Voltage Detectors |
| 中文描述： | 超低電壓復位電路和電壓檢測器 |
| 文件頁數： | 4/9頁 |
| 文件大?。?/td> | 185K |
| 代理商： | MAX6842DUKD3 |
M
Ultra-Low-Voltage μP Reset Circuits and
Voltage Detectors
4
_______________________________________________________________________________________
Pin Description
Typical Operating Characteristics (continued)
(V
CC
= 1.5V, T
A
= +25
°
C, unless otherwise noted.)
NORMALIZED V
CC
RESET THRESHOLD
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
N
C
60
40
20
0
-20
0.990
0.995
1.000
1.005
1.010
1.015
0.985
-40
80
V
TH
= 0.833V
NORMALIZED RESET IN THRESHOLD
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
N
60
40
20
0
-20
0.990
0.995
1.000
1.005
1.010
1.015
0.985
-40
80
POWER-UP/POWER-DOWN
CHARACTERISTICS (MAX6843AUKD3)
200ms/div
V
1V/div
RESET
1V/div
PIN
MAX6841
MAX6842
MAX6843
MAX6845
MAX6844
NAME
FUNCTION
1
—
—
Push-Pull (MAX6841) or Open-Drain (MAX6842) Active-Low Reset Output.
RESET
changes from high to low when V
CC
drops below the selected reset threshold or
MR
is pulled low.
RESET
remains low for the reset timeout period after V
CC
exceeds the device reset threshold and
MR
is released high.
Push-Pull (MAX6843) or Open-Drain (MAX6845) Active-Low Reset Output.
RESET
changes from high to low when RESET IN drops below the 187.4mV reset
threshold (referenced to V
CC
) or
MR
is pulled low.
RESET
remains low for the
reset timeout period after RESET IN exceeds the reset threshold and
MR
is
released high.
Ground
Push-Pull Active-High Reset Output. RESET changes from low to high when V
CC
input drops below the selected reset threshold or
MR
is pulled low. RESET
remains high for the reset timeout period after V
CC
exceeds the device reset
threshold and
MR
is released high.
Push-Pull Active-High Reset Output. RESET changes from low to high when the
RESET IN input drops below the 187.4mV reset threshold (referenced to V
CC
).
RESET remains high for the reset timeout period after RESET IN exceeds the reset
threshold.
—
1
—
RESET
2
2
2
GND
3
—
—
—
—
1
RESET
—
3
3
RESET IN
Adjustable Reset Input. High-impedance input for reset comparator. Connect this
pin to an external resistive-divider network to set the reset threshold voltage; the
typical threshold is 187.4mV (referenced to V
CC
). The MAX6843/MAX6844/
MAX6845 assert a reset signal when the V
CC
to RESET IN differential falls below
its threshold voltage.
4
4
4
MR
Active-Low Manual Reset Input. Internal 20k
pullup to V
CC
. Pull low to force a
reset. Reset remains active as long as
MR
is low and for the reset timeout period
after
MR
goes high. Leave unconnected or connect to V
CC
if unused.
Supply Voltage. Monitored supply for the MAX6841/MAX6842.
5
5
5
V
CC
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX6842DUKD3+ | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 0.788V 8.1UA 5PIN SOT-23 - Cut Tape Product |
| MAX6842DUKD3+T | 功能描述:監(jiān)控電路 Single uPower Reset Circuit RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數: 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: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 |
| MAX6842DUKD3-T | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數: 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: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 |
| MAX6842DUKD4 | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX6842DUKD4+ | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 0.788V 8.1UA 5PIN SOT-23 - Rail/Tube |
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