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参数资料
| 型号： | MM5486N |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 显示驱动器 |
| 英文描述： | LED Display Driver |
| 中文描述： | LED DISPLAY DRIVER, PDIP40 |
| 封装： | PLASTIC, DIP-40 |
| 文件页数： | 2/8页 |
| 文件大小： | 168K |
| 代理商： | MM5486N |
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales
Office/Distributors for availability and specifications.
Voltage at Any Pin
V
SS
to V
SS
a
12V
b
25
§
C to
a
85
§
C
b
65
§
C to
a
150
§
C
Operating Temperature
Storage Temperature
Power Dissipation at 25
§
C
Molded DIP Package, Board Mount
Molded DIP Package, Socket Mount
2.5W
*
2.3W
**
a
150
§
C
300
§
C
Junction Temperature
Lead Temperature (Soldering, 10 seconds)
*
Molded DIP Package, Board Mount,
i
JA
e
49
§
C/W, Derate 20.4 mW/
§
C
above 25
§
C.
**
Molded DIP Package, Socket Mount,
i
JA
e
54
§
C/W, Derate 18.5 mW/
§
C
above 25
§
C.
Electrical Characteristics
T
A
within operating range, V
DD
e
4.75V to 11.0V, V
SS
e
0V, unless otherwise specified
Symbol
Parameter
Conditions
Min
Typ
Max
Units
V
DD
Power Supply
4.75
11
V
I
DD
Power Supply Current
Excluding Output Loads
7
mA
Input Voltages
Logic ‘‘0’’ Level
Logic ‘‘1’’ Level
V
IL
V
IH
g
10
m
A Input Bias
4.75
s
V
DD
s
5.25
b
0.3
2.2
0.8
V
DD
V
V
V
DD
l
5.25
V
DD
b
2
V
DD
V
I
BR
Brightness Input (Note 2)
0
0.75
mA
Output Sink Current (Note 3)
Segment OFF
Segment ON
I
OH
I
OL
V
OUT
e
3.0V
V
OUT
e
1V (Note 4)
Brightness Input
e
0
m
A
Brightness Input
e
100
m
A
Brightness Input
e
750
m
A
10
m
A
0
10
4
25
m
A
mA
mA
2.0
15
2.7
I
O
Maximum Segment Current
40
mA
V
IBR
Brightness Input Voltage (Pin 19)
Input Current
e
750
m
A
3.0
4.3
V
OM
Output Matching (Note 1)
g
20
%
Data Output
Logical ‘‘0’’ Level
Logical ‘‘1’’ Level
V
OL
V
OH
I
OUT
e
0.5 mA
I
OUT
e
100
m
A
V
SS
2.4
0.4
V
DD
V
V
Clock Input
Frequency
High Time
Low Time
(Notes 5 and 6)
f
C
t
h
t
l
500
kHz
ns
ns
950
950
Data Input
Set-Up Time
Hold Time
t
DS
t
DH
300
300
ns
ns
Note 1:
Output matching is calculated as the percent variation (I
MAX
a
I
MIN
)/2.
Note 2:
With a fixed resistor on the brightness input pin, some variation in brightness will occur from one device to another. Maximum brightness input current can
be 2 mA as long as Note 3 and junction temperature equation are complied with.
Note 3:
Absolute maximum for each output should be limited to 40 mA.
Note 4:
The V
OUT
voltage should be regulated by the user. See Figures 6 and 7 for allowable V
OUT
vs I
OUT
operation.
Note 5:
AC input waveform specification for test purpose: t
r
s
20 ns, t
f
s
20 ns, f
e
500 kHz, 50%
g
10% duty cycle.
Note 6:
Clock input rise and fall times must not exceed 300 ns.
2
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