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参数资料
| 型号： | MM82PC12 |
| 厂商： | National Semiconductor Corporation |
| 英文描述： | 8-Bit Input/Output Port |
| 中文描述： | 8位输入/输出端口 |
| 文件页数： | 2/8页 |
| 文件大小： | 189K |
| 代理商： | MM82PC12 |
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales
Office/Distributors for availability and specifications.
Storage Temperature Range
b
65
§
C to
a
150
§
C
Voltage at Any Pin With
Respect to Ground
b
0.3V to V
CC
a
0.3V
Lead Temperature
(Soldering, 10 seconds)
300
§
C
500 mW
Power Dissipation
Maximum V
CC
7V
Note: Absolute maximum ratings are those values beyond
which the safety of the device cannot be guaranteed. Con-
tinuous operation at these limits is not intended; operation
should be limited to those conditions specified under DC
Electrical Characteristics.
Operating Range
V
CC
e
5V
g
10%
Ambient Temperature
Military
b
55
§
C to
a
125
§
C
b
40
§
C to
a
85
§
C
0
§
C to
a
70
§
C
Industrial
Commercial
DC Electrical Characteristics
V
CC
e
5V
g
10%, GND
e
0V, unless otherwise specified
Symbol
Parameter
Test Conditions
Min
Typ
Max
Units
V
IH
Input High Voltage
0.7 V
CC
V
CC
V
V
IL
Input Low Voltage
0
0.2 V
CC
V
V
OH
Output High Voltage
V
CC
e
4.5V, V
IH
e
4.5V, I
OH
e b
2 mA
V
CC
e
5.5V, V
IL
e
0V, V
IH
e
5.5V, I
OL
e
2 mA
V
CC
e
5.5V, V
IN
e
5.5V
V
CC
e
5.5V, V
IN
e
0V
V
CC
e
4.5V, V
OUT
e
2.4V, V
IH
e
4.5V
V
CC
e
5.5V, V
OUT
e
0.4V, V
IL
e
0V
V
CC
e
5.5V, V
IH
e
5.5V, V
IL
e
0V
V
CC
e
5.5V, V
OUT
e
0V
2.4
V
V
OL
Output Low Voltage
0.4
V
I
IH
Input High Current
10
m
A
I
IL
Input Low Current
b
10
m
A
I
OH
Output High Current
b
2.0
mA
I
OL
Output Low Current
2.0
mA
I
CC
Power Supply Current
400
m
A
I
OZL
TRI-STATE Low Leakage
Current
b
10
m
A
I
OZH
TRI-STATE High Leakage
Current
V
CC
e
4.5V, V
OUT
e
4.5V
10
m
A
AC Electrical Characteristics
T
A
e b
55
§
C to
a
125
§
C, V
CC
e
5V
g
10%, GND
e
0V, unless otherwise specified
Symbol
Parameter
Test Conditions
Min
Typ
Max
Units
t
PW
Pulse Width (STB, DS1
#
DS2, CLR)
25
40
ns
t
PD
Data In to Data Out
45
60
ns
t
WE
Write Enable to Data Out
55
75
ns
t
SET
Data Setup Time
15
ns
t
H
Data Hold Time
20
ns
t
R
Reset to Data Out
50
65
ns
t
S
Select to Interrupt
50
65
ns
t
C
Clear to Data Out
45
60
ns
t
ED
Output Enable/Disable Time
50
65
ns
2
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