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參數(shù)資料
| 型號(hào)： | 74F38 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Quad Two-Input NAND Buffer(四2輸入與非緩沖器) |
| 中文描述： | 四路雙輸入與非緩沖（四2輸入與非緩沖器） |
| 文件頁數(shù)： | 3/8頁 |
| 文件大小： | 143K |
| 代理商： | 74F38 |
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
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
Ambient Temperature under Bias
Junction Temperature under Bias
Plastic
V
CC
Pin Potential to
Ground Pin
b
0.5V to
a
7.0V
b
0.5V to
a
7.0V
b
30 mA to
a
5.0 mA
Input Voltage (Note 2)
Input Current (Note 2)
Voltage Applied to Output
in HIGH State (with V
CC
e
0V)
Standard Output
TRI-STATE
é
Output
Current Applied to Output
in LOW State (Max)
b
0.5V to V
CC
b
0.5V to
a
5.5V
twice the rated I
OL
(mA)
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.
Recommended Operating
Conditions
Free Air Ambient Temperature
Military
Commercial
b
55
§
C to
a
125
§
C
0
§
C to
a
70
§
C
Supply Voltage
Military
Commercial
a
4.5V to
a
5.5V
a
4.5V to
a
5.5V
DC Electrical Characteristics
Symbol
Parameter
54F/74F
Units
V
CC
Conditions
Min
Typ
Max
V
IH
Input HIGH Voltage
2.0
V
Recognized as a HIGH Signal
V
IL
Input LOW Voltage
0.8
V
Recognized as a LOW Signal
V
CD
Input Clamp Diode Voltage
b
1.2
V
Min
I
IN
e b
18 mA
V
OL
Output LOW
Voltage
54F 10% V
CC
74F 10% V
CC
0.55
0.55
V
Min
I
OL
e
48 mA
I
OL
e
64 mA
I
IH
Input HIGH
Current
54F
74F
20.0
5.0
m
A
Max
V
IN
e
2.7V
I
BVI
Input HIGH Current
Breakdown Test
54F
74F
100
7.0
m
A
Max
V
IN
e
7.0V
V
ID
Input Leakage
Test
74F
4.75
V
0.0
I
ID
e
1.9
m
A
All Other Pins Grounded
I
OD
Output Leakage
Circuit Current
74F
3.75
m
A
0.0
V
IOD
e
150 mV
All Other Pins Grounded
I
IL
Input LOW Current
b
1.2
mA
Max
V
IN
e
0.5V
I
OHC
Open Collector, Output
OFF Leakage Test
250
m
A
Min
V
OUT
e
V
CC
I
CCH
Power Supply Current
2.1
7.0
mA
Max
V
O
e
HIGH
I
CCL
Power Supply Current
26.0
30.0
mA
Max
V
O
e
LOW
3
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