參數(shù)資料
型號： MAX814TESA
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 電源管理
英文描述： Voltage Detector
中文描述： 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8
封裝： 0.150 INCH, SOP-8
文件頁數(shù)： 8/11頁
文件大小： 218K
代理商： MAX814TESA
M
Interfacing to μPs with
Bidirectional Reset Pins
μPs with bidirectional reset pins, such as the Motorola
68HC11 series, can contend with the MAX705-MAX708
RESET output. If, for example, the RESET output is driven
high and the μP wants to pull it low, indeterminate logic
levels may result. To correct this, connect a 4.7k
resistor between the RESET output and the μP reset I/O,
as in Figure 8. Buffer the RESET output to other system
components.
Low-Cost, μP Supervisory Circuits
8
_______________________________________________________________________________________
MAX70_
RESET
R2
R1
+5V
V-
V
CC
PFI
GND
MR
PFO
TO
μ
P
100k
100k
2N3904
MR
PFO
+5V
0V
+5V
0V
V
TRIP
0V
V-
Figure 7. Monitoring a Negative Voltage
MAX70_
BUFFERED RESET TO OTHER SYSTEM COMPONENTS
4.7k
V
CC
GND
RESET
V
CC
GND
RESET
μ
P
Figure 8. Interfacing to μPs with Bidirectional Reset I/O
5
1.25
R1
1.25
VTRIP
R2
,VTRIP
0
=
<
MAX70_
RESET
R1
Figure 5. RESET Valid to Ground Circuit
MAX70_
RESET
130k
1%
PARAMETER
+12V Reset
Threshold at +25
°
C
MIN
TYP
MAX
UNIT
10.67 10.87 11.50
V
1M
1%
+5V
+12V
V
CC
PFI
GND
MR
PFO
TO
μ
P
Figure 6. Monitoring Both +5V and +12V
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX814TESA+ 功能描述:監(jiān)控電路 3V & 5V uPower Supervisor 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
MAX814TESA+T 功能描述:監(jiān)控電路 3V & 5V uPower Supervisor 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
MAX814TESA-T 功能描述:監(jiān)控電路 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
MAX815 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:【1% Accuracy, Low-Power, +3V and +5V レP Supervisory Circuits
MAX815_CPA 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:?±1% Accuracy, Low-Power, 3V and 5V uP Supervisory Circuits
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