參數(shù)資料
型號: 74VHCT238ATTR
廠商: 意法半導體
英文描述: 3 TO 8 LINE DECODER
中文描述: 3至8線譯碼器
文件頁數(shù): 3/8頁
文件大?。?/td> 63K
代理商: 74VHCT238ATTR
RECOMMENDED OPERATING CONDITIONS
Symbol
V
CC
V
I
V
O
V
O
T
op
dt/dv
1)V
CC
=0
2)Highor Low State
3)V
IN
from0.8Vto2V
Parameter
Value
4.5 to 5.5
0 to 5.5
0 to 5.5
0 to V
CC
-40 to +85
0 to 20
Unit
V
V
V
V
o
C
ns/V
Supply Voltage
Input Voltage
Output Voltage (see note 1)
Output Voltage (see note 2)
Operating Temperature
Input Rise and Fall Time (see note 3) (V
CC
= 5.0
±
0.5V)
ABSOLUTE MAXIMUM RATINGS
Symbol
V
CC
V
I
V
O
V
O
I
IK
I
OK
I
O
I
CC
or I
GND
DC V
CC
or Ground Current
T
stg
Storage Temperature
T
L
Lead Temperature (10 sec)
AbsoluteMaximumRatingsarethosevaluesbeyond whichdamage tothedevicemayoccur. Functionaloperationunderthese condition isnot implied.
1)V
CC
=0
2)Highor Low State
Parameter
Value
-0.5 to +7.0
-0.5 to +7.0
-0.5 to +7.0
-0.5 to V
CC
+ 0.5
- 20
±
20
±
25
±
50
-65 to +150
300
Unit
V
V
V
V
mA
mA
mA
mA
o
C
o
C
Supply Voltage
DC Input Voltage
DC Output Voltage (see note 1)
DC Output Voltage (see note 2)
DC Input Diode Current
DC Output Diode Current
DC Output Current
DC SPECIFICATIONS
Symbol
Parameter
Test Conditions
V
CC
(V)
Value
Unit
T
A
= 25
o
C
Min.
Typ.
2
-40 to 85
o
C
Min.
2
Max.
Max.
V
IH
High Level Input
Voltage
Low Level Input
Voltage
High Level Output
Voltage
4.5 to 5.5
V
V
IL
4.5 to 5.5
0.8
0.8
V
V
OH
4.5
4.5
4.5
4.5
I
O
=-50
μ
A
I
O
=-8 mA
I
O
=50
μ
A
I
O
=8 mA
V
I
= 5.5V or GND
V
I
= V
CC
orGND
4.4
3.94
4.5
4.4
3.8
V
V
OL
Low Level Output
Voltage
0.0
0.1
0.36
±
0.1
4
0.1
0.44
±
1.0
40
V
I
I
Input Leakage Current
Quiescent Supply
Current
Additional Worst Case
Supply Current
0 to 5.5
5.5
μ
A
μ
A
I
CC
I
CC
5.5
One Input at 3.4V,
other input at V
CC
or
GND
V
OUT
= 5.5V
1.35
1.5
mA
I
OPD
Output Leakage
Current
0
0.5
5.0
μ
A
74VHCT238A
3/8
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