參數(shù)資料
型號: CD74AC238M
廠商: Texas Instruments, Inc.
英文描述: 3-to-8-Line Decoders/Demultiplexers
中文描述: 3至8線解碼器/解復用器
文件頁數(shù): 4/7頁
文件大小: 34K
代理商: CD74AC238M
4
Low Level Output Voltage
V
OL
V
IH
or V
IL
0.05
1.5
-
0.1
-
0.1
-
0.1
V
0.05
3
-
0.1
-
0.1
-
0.1
V
0.05
4.5
-
0.1
-
0.1
-
0.1
V
12
3
-
0.36
-
0.44
-
0.5
V
24
4.5
-
0.36
-
0.44
-
0.5
V
75
(Note 8, 9)
5.5
-
-
-
1.65
-
-
V
50
(Note 8, 9)
5.5
-
-
-
-
-
1.65
V
Input Leakage Current
I
I
V
CC
or
GND
-
5.5
-
±
0.1
-
±
1
-
±
1
μ
A
Quiescent Supply Current
MSI
I
CC
V
CC
or
GND
0
5.5
-
8
-
80
-
160
μ
A
ACT TYPES
High Level Input Voltage
V
IH
-
-
4.5 to
5.5
2
-
2
-
2
-
V
Low Level Input Voltage
V
IL
-
-
4.5 to
5.5
-
0.8
-
0.8
-
0.8
V
High Level Output Voltage
V
OH
V
IH
or V
IL
-0.05
4.5
4.4
-
4.4
-
4.4
-
V
-24
4.5
3.94
-
3.8
-
3.7
-
V
-75
(Note 8, 9)
5.5
-
-
3.85
-
-
-
V
-50
(Note 8, 9)
5.5
-
-
-
-
3.85
-
V
Low Level Output Voltage
V
OL
V
IH
or V
IL
0.05
4.5
-
0.1
-
0.1
-
0.1
V
24
4.5
-
0.36
-
0.44
-
0.5
V
75
(Note 8, 9)
5.5
-
-
-
1.65
-
-
V
50
(Note 8, 9)
5.5
-
-
-
-
-
1.65
V
Input Leakage Current
I
I
V
CC
or
GND
-
5.5
-
±
0.1
-
±
1
-
±
1
μ
A
Quiescent Supply Current
MSI
I
CC
V
CC
or
GND
0
5.5
-
8
-
80
-
160
μ
A
AdditionalSupplyCurrentper
Input Pin TTL Inputs High
1 Unit Load
I
CC
V
CC
-2.1
-
4.5 to
5.5
-
2.4
-
2.8
-
3
mA
NOTES:
24. Test one output at a time for a 1-second maximum duration. Measurement is made by forcing current and measuring voltage to minimize
power dissipation.
25. Test verifies a minimum 50
transmission-line-drive capability at 85
o
C, 75
at 125
o
C.
ACT Input Load Table
INPUT
UNIT LOAD
A0-A2
0.83
E1, E2
1
E3
0.42
NOTE: Unit load is
I
CC
limit specified in DC Electrical Specifications
Table, e.g., 2.4mA max at 25
o
C.
DC Electrical Specifications
(Continued)
PARAMETER
SYMBOL
TEST
CONDITIONS
V
CC
(V)
25
o
C
-40
o
C TO
85
o
C
-55
o
C TO
125
o
C
UNITS
V
I
(V)
I
O
(mA)
MIN
MAX
MIN
MAX
MIN
MAX
CD74AC138, CD74ACT138, CD74AC238, CD74ACT238
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