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參數資料
| 型號： | MC74AC139N |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | DUAL 1-OF-4 DECODER/DEMULTIPLEXER |
| 中文描述： | AC SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數： | 4/12頁 |
| 文件大小： | 108K |
| 代理商： | MC74AC139N |
MC74AC139, MC74ACT139
http://onsemi.com
4
DC CHARACTERISTICS
74AC
74AC
V
CC
(V)
T
A
= +25
°
C
T
A
=
–40
°
C to
+85
°
C
Symbol
Parameter
Typ
Guaranteed Limits
Unit
Conditions
V
IH
Minimum High Level
Input Voltage
3.0
4.5
5.5
1.5
2.25
2.75
2.1
3.15
3.85
2.1
3.15
3.85
V
OUT
= 0.1 V
or V
CC
– 0.1 V
e e
V
V
IL
Maximum Low Level
Input Voltage
3.0
4.5
5.5
1.5
2.25
2.75
0.9
1.35
1.65
0.9
1.35
1.65
V
OUT
= 0.1 V
or V
– 0.1 V
CC
e e
V
V
OH
Minimum High Level
Output Voltage
3.0
4.5
5.5
2.99
4.49
5.49
2.9
4.4
5.4
2.9
4.4
5.4
I
= –50 A
OUT
e e
V
*V
IN
= V
IL
or V
IH
3.0
4.5
5.5
–
–
–
2.56
3.86
4.86
2.46
3.76
4.76
V
–12 mA
–24 mA
–24 mA
I
OH
V
OL
Maximum Low Level
Output Voltage
3.0
4.5
5.5
0.002
0.001
0.001
0.1
0.1
0.1
0.1
0.1
0.1
I
= 50 A
OUT
e e
V
*V
IN
= V
IL
or V
IH
3.0
4.5
5.5
–
–
–
0.36
0.36
0.36
0.44
0.44
0.44
V
12 mA
24 mA
24 mA
I
OL
I
IN
Maximum Input
Maximum In ut
Leakage Current
5 5
5.5
–
0 1
±
0.1
1 0
±
1.0
A
V
I
= V
CC
, GND
I
OLD
Minimum Dynamic
O t
Output Current
5.5
–
–
75
mA
V
OLD
= 1.65 V Max
I
OHD
5.5
–
–
–75
mA
V
OHD
= 3.85 V Min
I
CC
Maximum Quiescent
Supply Current
5 5
5.5
–
8 0
8.0
80
A
V
IN
= V
CC
or GND
*All outputs loaded; thresholds on input associated with output under test.
Maximum test duration 2.0 ms, one output loaded at a time.
NOTE:
I
IN
and I
CC
@ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V V
CC
.
AC CHARACTERISTICS
(For Figures and Waveforms – See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)
74AC
74AC
V
CC
*
(V)
T
A
= +25
°
C
C
L
= 50 pF
T
A
= –40
°
C
to +85
°
C
C
L
= 50 pF
Fig.
No.
Symbol
Parameter
Min
Typ
Max
Min
Max
Unit
t
PLH
Propagation Delay
o aga o
A
n
to O
n
3.3
5.0
4.0
3.0
8.0
6.5
11.5
8.5
3.5
2.5
13
9.5
ns
3–6
e ay
t
PHL
Propagation Delay
o aga o
A
n
to O
n
3.3
5.0
3.0
2.5
7.0
5.5
10
7.5
2.5
2.0
11
8.5
ns
3–6
e ay
t
PLH
Propagation Delay
o aga o
E
n
to O
n
3.3
5.0
4.5
3.5
9.5
7.0
12
8.5
3.5
3.0
13
10
ns
3–6
e ay
t
PHL
Propagation Delay
o aga o
E
n
to O
n
3.3
5.0
4.0
2.5
8.0
6.0
10
7.5
3.0
2.5
11
8.5
ns
3–6
e ay
*Voltage Range 3.3 V is 3.3 V
±
0.3 V.
*Voltage Range 5.0 V is 5.0 V
±
0.5 V.
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