参数资料
型号: 9338
厂商: National Semiconductor Corporation
英文描述: 8-Bit Multiple Port Register
中文描述: 8位多端口寄存器
文件页数: 2/6页
文件大小: 136K
代理商: 9338
Absolute Maximum Ratings
(Note)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales
Office/Distributors for availability and specifications.
Supply Voltage
7V
Input Voltage
5.5V
Operating Free Air Temperature Range
Military
Commercial
b
55
§
C to
a
125
§
C
0
§
C to
a
70
§
C
b
65
§
C to
a
150
§
C
Storage Temperature Range
Note: The ‘‘Absolute Maximum Ratings’’ are those values
beyond which the safety of the device cannot be guaran-
teed. The device should not be operated at these limits. The
parametric values defined in the ‘‘Electrical Characteristics’’
table are not guaranteed at the absolute maximum ratings.
The ‘‘Recommended Operating Conditions’’ table will define
the conditions for actual device operation.
Recommended Operating Conditions
Symbol
Parameter
Military
Commercial
Units
Min
Nom
Max
Min
Nom
Max
V
CC
Supply Voltage
4.5
5
5.5
4.75
5
5.25
V
V
IH
High Level Input Voltage
2
2
V
V
IL
Low Level Input Voltage
0.8
0.8
V
I
OH
High Level Output Current
b
0.8
b
0.8
mA
I
OL
Low Level Output Current
16
16
mA
T
A
Free Air Operating Temperature
b
55
125
0
70
§
C
t
s
(H)
t
s
(L)
Setup Time HIGH or LOW
D
A
to CP
20
12
20
12
ns
t
h
(H)
t
h
(L)
Hold Time HIGH or LOW
D
A
to CP
0
0
ns
b
8.0
b
8.0
t
s
(H)
t
s
(L)
Setup Time HIGH or LOW
A
n
to CP
10
10
10
10
ns
t
h
(H)
t
h
(L)
Hold Time HIGH or LOW
A
n
to CP
0
0
0
0
ns
t
w
(H)
t
w
(L)
CP Pulse Width HIGH or LOW
23
13
23
13
ns
Electrical Characteristics
Over recommended operating free air temperature range (unless otherwise noted)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 1)
V
I
Input Clamp Voltage
V
CC
e
Min, I
I
e b
12 mA
b
1.5
V
V
OH
High Level Output Voltage
V
CC
e
Min, I
OH
e
Max
V
IL
e
Max
2.4
3.4
V
V
OL
Low Level Output Voltage
V
CC
e
Min, I
OL
e
Max
V
IH
e
Min
0.2
0.4
V
I
I
Input Current
@
Max
Input Voltage
V
CC
e
Max, V
I
e
5.5V
1
mA
I
IH
High Level Input Current
V
CC
e
Max, V
I
e
2.4V
27
m
A
I
IL
Low Level Input Current
V
CC
e
Max, V
I
e
0.4V
b
1.1
mA
I
OS
Short Circuit
Output Current
V
CC
e
Max
(Note 2)
MIL
b
10
b
70
mA
COM
b
10
b
70
I
CC
Note 1:
All typicals are at V
CC
e
5V, T
A
e
25
§
C.
Note 2:
Not more than one output should be shorted at a time.
Supply Current
V
CC
e
Max
135
mA
2
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