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參數(shù)資料
| 型號： | MAX825 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Parallel-Load 8-Bit Shift Registers 16-CDIP -55 to 125 |
| 中文描述： | 5引腳、微處理器監(jiān)控電路，帶有看門狗定時器及手動復位 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 78K |
| 代理商： | MAX825 |
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +4.75V to +5.5V for MAX82_L, V
CC
= +4.5V to +5.5V for MAX82_M, V
CC
= +3.15V to +3.6V for MAX82_T, V
CC
= +3V
to +3.6V for MAX82_S, V
CC
= +2.7V to +3.6V for MAX82_R, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at
T
A
= +25°C.) (Note 1)
CONDITIONS
SYMBOL
PARAMETER
Note 1:
Over-temperature limits are guaranteed by design and not production tested.
Note 2:
The
RESET
short-circuit current is the maximum pull-up current when
RESET
is driven low by a μP bidirectional reset pin.
Note 3:
WDI is internally serviced within the watchdog period if WDI is left unconnected.
Note 4:
The WDI input current is specified as the average input current when the WDI input is driven high or low. The WDI input is
designed to drive a three-stated-output device with a 10μA maximum leakage current and a maximum capacitive load of
200pF. This output device must be able to source and sink at least 200μA when active.
M
5-Pin Mic roproc essor S upervisory Circ uits
_______________________________________________________________________________________
3
V
RST
- V
CC
= 100mV
MAX824T/S/R, MAX825T/S/R,
V
CC
= V
RST
max, I
SINK
= 1.2mA
MAX82_L/M, V
CC
= V
RST
max,
I
SOURCE
= 120μA
MAX824L/M, MAX825L/M,
V
CC
= V
RST
max, I
SINK
= 3.2mA
V
CC
> 1.8V, I
SOURCE
= 150μA
MAX82_L/M,
RESET
= 0V, V
CC
= 5.5V
MAX82_T/S/R,
RESET
= 0V, V
CC
= 3.6V
μs
20
V
CC
to
RESET
Delay
WATCHDOG INPUT (MAX823/MAX824)
V
0.3
V
OL
RESET Output Voltage
V
CC
- 1.5
0.4
0.8V
CC
V
OH
800
400
UNITS
MIN
TYP
MAX
MAX82_T/S/R, V
CC
= V
RST
max,
I
SOURCE
= 30μA
0.8V
CC
V
OH
MAX82_T/S/R, V
CC
= V
RST
min,
I
SINK
= 1.2mA
MAX82_L/M, V
CC
= V
RST
min,
I
SINK
= 3.2mA
0.3
0.4
T
A
= -40°C to +85°C, V
CC
= 1.2V,
V
CC
falling, V
BATT
= 0V, I
SINK
= 100μA
T
A
= 0°C to +70°C, V
CC
= 1V,
V
CC
falling, I
SINK
= 50μA
V
0.3
V
OL
RESET
Output Voltage
0.3
μA
I
SOURCE
RESET
Output Short-Circuit
Current (Note 2)
V
IL
= 0.4V, V
IH
= 0.8V
CC
ns
50
t
WDI
V
IL
WDI Pulse Width
sec
1.12
1.60
2.40
t
WD
Watchdog Timeout Period
WDI = 0V, time average
WDI = V
CC
, time average
V
CC
= 5V
μA
-20
-15
WDI Input Current (Note 4)
120
160
V
0.7V
CC
V
IH
WDI Input Threshold (Note 3)
0.3V
CC
μs
1.0
MR
Pulse Width
MR
Noise Immunity (pulse width
with no reset)
V
0.7V
CC
V
IH
MR
Input Threshold
0.3V
CC
V
IL
k
35
52
75
MR
Pull-Up Resistance (internal)
ns
500
MR
to Reset Delay
ns
100
MANUAL-RESET INPUT (MAX823/MAX825)
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX825_EUK | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:5-Pin Microprocessor Supervisory Circuits |
| MAX825L | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:5-Pin Microprocessor Supervisory Circuits With Watchdog Timer and Manual Reset |
| MAX825LEUK | 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:- Bulk |
| MAX825LEUK+ | 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 4.63V 4.5UA 5PIN SOT-23 - Rail/Tube 制造商:Maxim Integrated Products 功能描述:uP supervisory circuits, MAX825LEUK+ 制造商:Maxim Integrated Products 功能描述:MAX825LEUK+ |
| MAX825LEUK+T | 功能描述:監(jiān)控電路 5-Pin MPU 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 |
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