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參數(shù)資料
| 型號(hào)： | DM74123 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Dual Retriggerable One-Shot with Clear and Complementary Outputs |
| 中文描述： | 雙可重觸發(fā)一桿的清除和互補(bǔ)輸出 |
| 文件頁(yè)數(shù)： | 3/5頁(yè) |
| 文件大?。?/td> | 56K |
| 代理商： | DM74123 |
3
www.fairchildsemi.com
D
Absolute Maximum Ratings
(Note 1)
Note 1:
The “Absolute Maximum Ratings” are those values beyond which
the safety of the device cannot be guaranteed. The device should not be
operated at these limits. The parametric values defined in the Electrical
Characteristics tables are not guaranteed at the absolute maximum ratings.
The “Recommended Operating Conditions” table will define the conditions
for actual device operation.
Recommended Operating Conditions
Note 2:
T
A
=
25
°
C and V
CC
=
5V.
Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Note 3:
All typicals are at V
CC
=
5V, T
A
=
25
°
C.
Note 4:
Not more than one output should be shorted at a time.
Note 5:
Quiescent I
CC
is measured (after clearing) with 2.4V applied to all clear and A inputs, B inputs grounded, all outputs OPEN, C
EXT
=
0.02
μ
F,
and R
EXT
=
25 K
.
Note 6:
I
CC
is measured in the triggered state with 2.4V applied to all clear and B inputs, A inputs grounded, all outputs OPEN, C
EXT
=
0.02
μ
F,
and R
EXT
=
25 k
.
Supply Voltage
Input Voltage
Operating Free Air Temperature Range
Storage Temperature
7V
5.5V
0
°
C to
+
70
°
C
65
°
C to
+
150
°
C
Symbol
V
CC
V
IH
V
IL
I
OH
I
OL
t
W
Parameter
Min
4.75
2
Nom
5
Max
5.25
Units
V
V
V
mA
mA
Supply Voltage
HIGH Level Input Voltage
LOW Level Input Voltage
HIGH Level Output Current
LOW Level Output Current
Pulse Width
(Note 2)
0.8
0.8
16
A or B HIGH
A or B LOW
Clear LOW
40
40
40
ns
T
WQ
(Min)
R
EXT
C
EXT
C
WIRE
Minimum Width of
Pulse at Q (Note 2)
External Timing Resistor
External Timing Capacitance
Wiring Capacitance
at R
EXT
/C
EXT
Terminal (Note 2)
Free Air Operating Temperature
A or B
65
ns
5
50
k
μ
F
No Restriction
50
pF
T
A
0
70
°
C
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 3)
V
I
V
OH
Input Clamp Voltage
HIGH Level
V
CC
=
Min, I
I
=
12 mA
V
CC
=
Min, I
OH
=
Max
V
IL
=
Max, V
IH
=
Min
V
CC
=
Min, I
OL
=
Max
V
IH
=
Min, V
IL
=
Max
1.5
V
2.5
3.4
V
Output Voltage
LOW Level
Output Voltage
Input Current @ Max Input Voltage V
CC
=
Max, V
I
=
5.5V
HIGH Level
Input Current
V
OL
0.2
0.4
V
I
I
I
IH
1
mA
V
CC
=
Max
V
I
=
2.4V
V
CC
=
Max, V
I
=
0.4V
Data
Clear
40
80
3.2
1.6
40
66
μ
A
I
IL
Low Level
Input Current
Short Circuit Output Current
Clear
Data
mA
I
OS
I
CC
V
CC
=
Max (Note 4)
V
CC
=
Max (Note 5)(Note 6)
10
mA
Supply Current
46
mA
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