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參數(shù)資料
| 型號(hào)： | DM9638N |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | 7-Segment Decoder/Driver/Latch with Constant Current Source Outputs |
| 中文描述： | 7段解碼器/驅(qū)動(dòng)器/帶恒流源的輸出鎖存 |
| 文件頁(yè)數(shù)： | 5/6頁(yè) |
| 文件大小： | 71K |
| 代理商： | DM9638N |
5
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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
Electrical Characteristics
Over recommended operating free air temperature range (unless otherwise noted)
Note 2:
All typicals are at V
CC
=
5V, T
A
=
25
°
C.
Note 3:
Not more than one output should be shorted at a time.
Switching Characteristics
V
CC
=
5.0V, T
A
=
25
°
C
Supply Voltage
Input Voltage
Operating Free Air Temperature Range
Storage Temperature Range
7V
5.5V
0
°
C to
+
70
°
C
65
°
C to
+
150
°
C
Symbol
Parameter
Min
4.75
2
Nom
5
Max
5.25
Units
V
V
V
μ
A
mA
°
C
V
CC
V
IH
V
IL
I
OH
I
OL
T
A
t
S
(H)
Supply Voltage
HIGH Level Input Voltage
LOW Level Input Voltage
HIGH Level Output Current
0.8
80
LOW Level Output Current RBO
Free Air Operating Temperature
Setup Time HIGH
A
n
to LE
Hold Time HIGH
A
n
to LE
Setup Time LOW
A
n
to LE
Hold Time LOW
A
n
to LE
LE Pulse Width LOW
Segment Output HIGH Current
Segment Output LOW Current
3.2
70
0
30
ns
t
H
(H)
0
ns
t
S
(L)
20
ns
t
H
(L)
0
ns
t
W
(L)
I
OH
I
OL
45
16
250
ns
mA
μ
A
22
250
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 2)
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
CC
=
Min, I
OL
=
Max,
V
IH
=
Min
V
CC
=
Max, V
I
=
5.5V
V
CC
=
Max, V
I
=
2.4V
V
CC
=
Max, V
I
=
0.4V
V
CC
=
Max (Note 3)
V
CC
=
Max, Outputs OPEN,
Data & Latch Inputs
=
0V
1.5
V
2.4
3.4
V
Output Voltage
LOW Level
Output Voltage
V
OL
0.2
0.4
V
I
I
I
IH
I
IL
I
OS
I
CC
Input Current @ Max Input Voltage
HIGH Level Input Current
LOW Level Input Current
1
40
1.6
57
mA
μ
A
mA
Short Circuit Output Current
Supply Current
18
mA
67
mA
Symbol
Parameter
C
L
=
15 pF, R
L
=
100
Min
Units
Max
50
75
t
PLH
t
PHL
t
PLH
t
PHL
Propagation Delay
A
n
to a–g
Propagation Delay
LE to a–g
ns
70
90
ns
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