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參數資料
| 型號： | 74ETL16245 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 16-Bit Data Transceiver with Incident Wave Switching |
| 中文描述： | 16位數據收發(fā)器事件波開關 |
| 文件頁數： | 5/10頁 |
| 文件大?。?/td> | 190K |
| 代理商： | 74ETL16245 |
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales
Office/Distributors for availability and specifications.
Storage Temperature
Ambient Temperature under Bias
Junction Temperature under Bias
Ceramic
Plastic
V
CC
Pin Potential to
Ground Pin
Input Voltage (Note 2)
Input Current (Note 2)
Voltage Applied to Any Output
in the Disabled or
Power-off State
in the HIGH State
Current Applied to Output
in LOW State (Max)
b
65
§
C to
a
150
§
C
b
55
§
C to
a
125
§
C
b
55
§
C to
a
175
§
C
b
55
§
C to
a
150
§
C
b
0.5V to
a
7.0V
b
0.5V to
a
7.0V
b
50 mA to
a
5.0 mA
b
0.5V to 5.5V
b
0.5V to V
CC
128 mA
DC Latchup Source Current
Over Voltage Latchup (I/O)
Note 1:
Absolute maximum ratings are values beyond which the device may
be damaged or have its useful life impaired. Functional operation under
these conditions is not implied.
Note 2:
Either voltage limit or current limit is sufficient to protect inputs.
b
500 mA
10V
Recommended Operating
Conditions
Free Air Ambient Temperature
Military
Commercial
Supply Voltage
Military
Commercial
Minimum Input Edge Rate
Data Input
Enable Input
b
55
§
C to
a
125
§
C
b
40
C to
a
85
§
C
a
4.5V to
a
5.5V
a
4.5V to
a
5.5V
(
D
t/
D
V)
20 ns/V
50 ns/V
DC Electrical Characteristics
Symbol
Parameter
ETL16245
Units
V
CC
Conditions
Min
Typ
Max
V
IH
Input HIGH Voltage
OE
2.0
V
Recognized HIGH Signal
Other Inputs
1.6
V
IL
Input LOW Voltage
OE
0.8
V
Recognized LOW Signal
Other Inputs
1.4
V
CD
Input Clamp Diode Voltage
b
1.2
V
Min
I
IN
e b
18 mA (OE
n
, DIR)
V
OH
Output HIGH Voltage
V
CC
b
1
V
V
V
I
OH
e b
100
m
A
I
OH
e b
1 mA
I
OH
e b
12 mA
B Port
2.4
2.0
Min
V
CC
b
1
V
V
V
I
OH
e b
1 mA
I
OH
e b
32 mA
I
OH
e b
60 mA
A Port
2.4
2.0
Min
V
OL
Output LOW Voltage
B Port
0.4
0.8
V
V
Min
I
OL
e
1 mA
I
OL
e
12 mA
A Port
0.55
0.9
V
V
Min
I
OL
e
64 mA
I
OL
e
90 mA
I
HOLD
Bus Hold Current
B Port
A Port,
100
m
A
Min
OE
e
HIGH,
V
O
e
0.8V
b
100
OE
e
HIGH,
V
O
e
2.0V
I
OFF
Output Current, Power Down
100
m
A
0.0
V
CC
Bias
e
0V
V
I
or V
O
s
4.5V
I
I
Input Current Control Pins
54ETL
g
10
m
A
5.5
V
IN
e
0 or V
CC
74ETL
g
5
m
A
5.5
V
IN
e
0 or V
CC
I
IH
a
I
OZH
Output Leakage Current
50
m
A
5.5
V
OUT
e
2.7V, OE
e
2.0V
I
IL
a
I
OZL
Output Leakage Current
b
50
m
A
5.5
V
OUT
e
0.5V, OE
e
2.0V
5
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