參數(shù)資料
型號(hào)： DP8238
文件頁(yè)數(shù)： 2/6頁(yè)
文件大?。?/td> 137K
代理商： DP8238
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales
Office/Distributors for availability and specifications.
Storage Temperature
b
65
§
C to
a
150
§
C
b
0.5 to
a
7V
b
1.5V to
a
7V
Supply Voltage, V
CC
Input Voltage
Output Current
Maximum Power Dissipation
*
at 25
§
C
Cavity Package
100 mA
2179 mW
Molded Package
*
Derate cavity package 14.5 mW/
§
C above 25
§
C; derate molded package
18.9 mW/
§
C above 25
§
C.
2361 mW
Operating Conditions
Min
Max
Units
Supply Voltage (V
CC
)
DP8228M, DP8238M
DP8228, DP8238
Operating Temperature (T
A
)
DP8228M, DP8238M
DP8228, DP8238
4.50
4.75
5.50
5.25
V
DC
V
DC
b
55
0
a
125
a
70
§
C
§
C
Note:Maximum ratings indicate limits beyond which perma-
nent damage may occur. Continuous operation at these lim-
its is not intended and should be limited to those conditions
specified under DC electrical characteristics.
Electrical Characteristics
Min
s
T
A
s
Max, Min
s
V
CC
s
Max, unless otherwise noted
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 1)
V
C
Input Clamp Voltage, All Inputs
V
CC
e
Min, I
C
e b
5 mA
0.6
b
1.0
V
I
F
Input Load
Current
STSTB
V
CC
e
Max
V
F
e
0.45V for DP8228, DP8238
V
F
e
0.40V for DP8228M, DP8238M
500
m
A
D2 and D6
750
m
A
D0, D1, D4,
D5 and D7
250
m
A
All Other
Inputs
250
m
A
I
R
Input Leakage
Current
DB0–DB7
V
CC
e
Max, V
R
e
V
CC
20
m
A
All Other
Inputs
100
m
A
V
TH
Input Threshold Voltage,
All Inputs
V
CC
e
5V
0.8
2.0
V
I
CC
Power Supply Current
V
CC
e
Max
DP8228, DP8238
185
230
mA
DP8228M, DP8238M
160
230
mA
V
OL
Output Low
Voltage
D0–D7
V
CC
e
Min,
I
OL
e
2 mA
DP8228M, DP8238M
0.50
V
DP8228, DP8238
0.45
V
All Other
Outputs
V
CC
e
Min,
I
OL
e
10 mA
DP8228M, DP8238M
0.50
V
DP8228, DP8238
0.45
V
V
OH
Output High
D0–D7
V
C
e
Min,
I
OL
e b
10
m
A
DP8228M, DP8238M
3.3
3.8
V
DP8228, DP8238
3.6
3.8
V
All Other
Outputs
V
CC
e
Min, I
OH
e b
1 mA
2.4
3.8
V
I
OS
Short Circuit Current, All Outputs
V
CC
e
5V, V
O
e
0V
15
90
mA
I
O (OFF)
OFF State Output Current
All Control Outputs
V
CC
e
Max, V
O
e
V
CC
100
m
A
V
CC
e
Max, V
O
e
0.45V
b
100
m
A
I
INT
Note 1:
Typical values are for T
A
e
25
§
C and typical supply voltages.
INTA Current
(See Test Conditions,Figure 3)
5
mA
2
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