參數(shù)資料
型號(hào): 74VHC157T
廠商: 意法半導(dǎo)體
英文描述: Quadruple 2-Input Positive-NAND Gates 14-TSSOP -40 to 85
中文描述: 四2通道多
文件頁(yè)數(shù): 3/9頁(yè)
文件大?。?/td> 65K
代理商: 74VHC157T
ABSOLUTE MAXIMUM RATINGS
Symbol
V
CC
V
I
V
O
I
IK
I
OK
I
O
I
CC
orI
GND
T
stg
T
L
AbsoluteMaximumRatingsarethosevaluesbeyond whichdamage tothedevicemayoccur. Functionaloperationunderthese condition isnot implied.
Parameter
Value
-0.5to+7.0
-0.5to+7.0
-0.5toV
CC
+0.5
-20
±
20
±
25
±
50
-65to+150
300
Unit
V
V
V
mA
mA
mA
mA
o
C
o
C
Supply Voltage
DC Input Voltage
DC Output Voltage
DC Input Diode Current
DC Output Diode Current
DC Output Current
DC V
CC
or Ground Current
Storage Temperature
Lead Temperature (10 sec)
RECOMMENDED OPERATING CONDITIONS
Symbol
V
CC
V
I
V
O
T
op
dt/dv
Parameter
Value
2.0to5.5
0to5.5
0toV
CC
-40to+85
0to100
0to20
Unit
V
V
V
o
C
ns/V
ns/V
Supply Voltage
Input Voltage
Output Voltage
Operating Temperature
Input Rise and Fall Time (see note 1) (V
CC
= 3.3
±
0.3V)
(V
CC
= 5.0
±
0.5V)
1)V
IN
from30%to70%ofV
CC
DC SPECIFICATIONS
Symbol
Parameter
Test Conditions
V
CC
(V)
Value
Unit
T
A
= 25
o
C
Min.
Typ.
1.5
0.7V
CC
-40 to 85
o
C
Min.
1.5
0.7V
CC
Max.
Max.
V
IH
High Level Input
Voltage
2.0
V
3.0to5.5
2.0
3.0to5.5
2.0
3.0
4.5
3.0
4.5
2.0
3.0
4.5
3.0
4.5
0to5.5
5.5
V
IL
Low Level Input
Voltage
0.5
0.5
V
0.3V
CC
0.3V
CC
V
OH
High Level Output
Voltage
I
O
=-50
μ
A
I
O
=-50
μ
A
I
O
=-50
μ
A
I
O
=-4mA
I
O
=-8mA
I
O
=50
μ
A
I
O
=50
μ
A
I
O
=50
μ
A
I
O
=4mA
I
O
=8mA
V
I
=5.5VorGND
V
I
=V
CC
orGND
1.9
2.9
4.4
2.58
3.94
2.0
3.0
4.5
1.9
2.9
4.4
2.48
3.8
V
V
OL
Low Level Output
Voltage
0.0
0.0
0.0
0.1
0.1
0.1
0.36
0.36
±
0.1
4
0.1
0.1
0.1
0.44
0.44
±
1.0
40
V
I
I
Input Leakage Current
Quiescent Supply
Current
μ
A
μ
A
I
CC
74VHC157
3/9
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