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參數(shù)資料
| 型號(hào)： | MM1142 |
| 廠商： | MITSUMI ELECTRIC |
| 英文描述： | System Reset (with built-in watchdog timer) |
| 中文描述： | 系統(tǒng)復(fù)位（內(nèi)置看門狗定時(shí)器） |
| 文件頁數(shù)： | 3/5頁 |
| 文件大?。?/td> | 135K |
| 代理商： | MM1142 |
MITSUMI
System Reset (with built-in watchdog timer) MM1142
Absolute Maximum Ratings
(Ta=25
°
C)
Recommended Operating Conditions
Item
Symbol
V
CC
max.
V
IN
V
OUT
Pd
T
STG
Rating
-
0.3~+7
Units
V
V
V
mW
°C
Power supply voltage
Voltage applied to input pin
Voltage applied to output pin
Allowable loss
Storage temperature
-
0.3~V
CC
+0.3 (
<
+7)
-
0.3~V
CC
+0.3 (
<
+7)
300
-
40~+125
Item
Symbol
V
CC
I
OLR
I
OLC
V
CKH
V
CKL
T
WD
t
RCK
, t
FCK
t
RVCC
t
FVCC
C
T
T
OP
Rating
+1.9~+6.5
0~500
0~5.0
1.0<
<0.2
1~10000
<100
100<
50<
0.0022~2.2
-
20~+70
Units
V
μA
mA
V
V
mS
μS
μS
μS
μF
°
C
Power supply voltage
RESET sync current
BC sync current
Clock input high level voltage
Clock input low level voltage
Clock monitoring time setting
Clock rise and fall times
Power supply voltage rise times
Power supply voltage fall times
TC pin capacitance
Operating temperature
Item
Symbol
I
CC
V
SLR
Measurement conditions
No load
V
CC
: High Low, RCT : GND, V
TC
=OPEN
Min. Typ. Max.
200
2.00
Units
μA
V
Consumption current
RESET detection voltage
Detection voltage temperature
coefficient R
Hysteresis voltage R
BC detection voltage
Detection voltage temperature
coefficient B
Hysteresis voltage B
Detection voltage difference
CK input threshold
280
±3%
±0.01 ±0.05
%/
°
C
V
HYSR
V
SLB
V
CC
: Low High, RCT=GND, V
TC
=OPEN
V
CC
: High Low, R
LB
=10k
25
50
2.20
100
±3%
mV
V
±0.01 ±0.05
%/
°
C
V
HYSB
V
SL
V
TH
I
IH
I
IL
V
OHR
V
OHB
V
OLR
V
OLB
I
OLR
I
OLB
I
OHR
I
CT
1
I
CT
2
V
CC
: Low High, R
LB
=10k
V
SL
=V
SLB
-
V
SLR
25
50
100
mV
V
V
0.175 0.200 0.225
0.4
0.6
0
-
15
-
6
2.0
2.2
2.0
2.2
0.3
0.3
500
700
5
7
2
4
1.2
1
-
2
CK input current
V
CK
=2.6V
V
CK
=0.0V
I
R
LB
=10k
=500μA, V
CC
=1.8V
I
BC
=5mA, V
CC
=1.8V
V
V
BC
=0.5V, V
CC
=1.8V
V
V
TC
=0.5V during watchdog timer operation
-
0.300
-
0.150
-
0.075
V
TC
=0.5V during power ON reset operation
-
0.300
-
0.150
-
0.075
μA
Output voltage RH
Output voltage BH
Output voltage RL
Output voltage BL
Output sync current R
Output sync current B
Output source current R
--------------------------------------------
=
-
1μA
V
V
V
V
μA
mA
μA
I
RESET
0.5
0.5
--------------------------------------------
=0.5V, V
CC
=1.8V
--------------------------------------------
=2.0V
C
T
charge current
μA
Minimum operating power supply voltage
to ensure RESET
V
CCL
0.8
1.0
V
V
SR
T
V
SB
T
Electrical Characteristics
(Except where noted otherwise, Ta=25°C, V
CC
=2.6V)
V
---------------------------------------------
=0.4V, I
---------------------------------------------
=0.05mA
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