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參數(shù)資料
| 型號(hào)： | MM1099B |
| 廠商： | MITSUMI ELECTRIC |
| 英文描述： | System Reset (Built-in Watch Dog Timer) |
| 中文描述： | 系統(tǒng)復(fù)位（內(nèi)建看門(mén)狗定時(shí)器） |
| 文件頁(yè)數(shù)： | 2/7頁(yè) |
| 文件大?。?/td> | 171K |
| 代理商： | MM1099B |
MITSUMI
System Reset (Built-in Watch Dog Timer) MM1099
Pin Description
Pin No.
Pin name
Function
1
TC
2
N.C
CK
GND
V
CC
RCT
V
S
RESET
3
4
5
6
7
8
Variable terminals T
WD
, T
WR
and T
PR
The time for T
WD
, T
WR
and T
PR
to be
determined by the external capacitor.
T
PR
(mS) = 5000 C
T
(μF)
T
WD
(mS) = 500 C
T
(μF)
T
WR
(mS) = 100 C
T
(μF)
Clock input terminal Inputs the clock from the logic system.
Ground terminal
Voltage detection MM1099A 3.2V MM1099B 4.2V
Watchdog timer stop pin Operation modes: Operation OPEN, Stop connect to GND
Detect voltage variable terminal
Reset output pin (low output)
Absolute Maximum Ratings
Item
Symbol
V
CC
max.
V
CK
V
VS
V
RCT
V
OH
Pd
T
STG
Rating
-
0.3~+10
Units
V
V
V
V
V
mW
°
C
Power supply voltage
CK pin input voltage
-
0.3~V
CC
+0.3 ( < +10)
-
0.3~V
CC
+0.3 ( < +10)
-
0.3~V
CC
+0.3 ( < +10)
-
0.3~V
CC
+0.3 ( < +10)
300
-
40~+125
V
S
pin input voltage
Voltage applied to RCT pin
Voltage applied to RESET
pin
Allowable loss
Storage temperature
Recommended Operating Conditions
Item
Symbol
V
CC
I
OL
T
WD
t
FC
, t
RC
C
T
T
OP
Rating
+2.2~+7.0
0~1.0
0.1~1000
<100
0.0002~2
-
25~+75
Units
V
mA
mS
μS
μF
°
C
Power supply voltage
----------------------------------------------------
sync current
Clock monitoring time setting
Clock rise and fall times
TC pin capacitance
Operating temperature
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