參數(shù)資料
型號(hào): M74HC238TTR
廠商: 意法半導(dǎo)體
元件分類(lèi): 通用總線功能
英文描述: 3 TO 8 LINE DECODER
中文描述: 3至8線譯碼器
封裝: DIP16
文件頁(yè)數(shù): 4/10頁(yè)
文件大小: 277K
代理商: M74HC238TTR
M74HC238
4/10
DC SPECIFICATIONS
AC ELECTRICAL CHARACTERISTICS
(C
L
= 50 pF, Input t
r
= t
f
= 6ns)
Symbol
Parameter
Test Conditions
Value
Unit
V
CC
(V)
T
A
= 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
V
IH
High Level Input
Voltage
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
4.5
6.0
2.0
4.5
6.0
4.5
6.0
1.5
3.15
4.2
1.5
3.15
4.2
1.5
3.15
4.2
V
V
IL
Low Level Input
Voltage
0.5
1.35
1.8
0.5
1.35
1.8
0.5
1.35
1.8
V
V
OH
High Level Output
Voltage
I
O
=-20
μ
A
I
O
=-20
μ
A
I
O
=-20
μ
A
I
O
=-4.0 mA
I
O
=-5.2 mA
I
O
=20
μ
A
I
O
=20
μ
A
I
O
=20
μ
A
I
O
=4.0 mA
I
O
=5.2 mA
1.9
4.4
5.9
4.18
5.68
2.0
4.5
6.0
4.31
5.8
0.0
0.0
0.0
0.17
0.18
1.9
4.4
5.9
4.13
5.63
1.9
4.4
5.9
4.10
5.60
V
V
OL
Low Level Output
Voltage
0.1
0.1
0.1
0.26
0.26
0.1
0.1
0.1
0.33
0.33
0.1
0.1
0.1
0.40
0.40
V
I
I
Input Leakage
Current
Quiescent Supply
Current
6.0
V
I
= V
CC
or GND
±
0.1
±
1
±
1
μ
A
I
CC
6.0
V
I
= V
CC
or GND
4
40
80
μ
A
Symbol
Parameter
Test Conditions
Value
Unit
V
CC
(V)
T
A
= 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
t
TLH
t
THL
Output Transition
Time
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
30
8
7
50
17
15
50
17
15
50
17
15
75
15
13
150
30
26
150
30
26
150
30
26
95
19
16
190
38
32
190
38
32
190
38
32
110
22
19
225
45
38
225
45
38
225
45
38
ns
t
PLH
t
PHL
Propagation Delay
Time (A, B, C - Y)
ns
t
PLH
t
PHL
Propagation Delay
Time (G1 - Y)
ns
t
PLH
t
PHL
Propagation Delay
Time (G2 - Y)
ns
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