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參數(shù)資料
| 型號： | M54HC42F1R |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | XTAL MTL T/H HC49/U |
| 中文描述： | BCD碼為十進(jìn)制譯碼器 |
| 文件頁數(shù)： | 4/10頁 |
| 文件大?。?/td> | 246K |
| 代理商： | M54HC42F1R |
DC SPECIFICATIONS
Symbol
Parameter
Test Conditions
Value
-40 to 85
o
C
74HC
Min.
1.5
3.15
4.2
Unit
V
CC
(V)
T
A
= 25
o
C
54HC and 74HC
Min.
Typ.
1.5
3.15
4.2
-55 to 125
o
C
54HC
Min.
1.5
3.15
4.2
Max.
Max.
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
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
V
I
=
V
IH
or
V
IL
I
O
=-20
μ
A
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
I
O
=-4.0 mA
I
O
=-5.2 mA
V
OL
Low Level Output
Voltage
V
I
=
V
IH
or
V
IL
I
O
= 20
μ
A
0.1
0.1
0.1
0.26
0.26
±
0.1
0.1
0.1
0.1
0.33
0.33
±
1
0.1
0.1
0.1
0.40
0.40
±
1
V
I
O
= 4.0 mA
I
O
= 5.2 mA
I
I
Input Leakage
Current
Quiescent Supply
Current
6.0
V
I
= V
CC
or GND
μ
A
I
CC
6.0
V
I
= V
CC
or GND
4
40
80
μ
A
AC ELECTRICAL CHARACTERISTICS
(C
L
= 50 pF, Input t
r
= t
f
= 6 ns)
Symbol
Parameter
Test Conditions
Value
-40 to 85
o
C
74HC
Min.
Unit
V
CC
(V)
T
A
= 25
o
C
54HC and 74HC
Min.
Typ.
30
-55 to 125
o
C
54HC
Min.
Max.
75
15
13
130
26
22
10
Max.
95
19
16
165
33
28
10
Max.
110
22
19
195
39
33
10
t
TLH
t
THL
Output Transition
Time
2.0
4.5
6.0
2.0
4.5
6.0
ns
8
7
t
PLH
t
PHL
Propagation
Delay Time
64
16
14
5
60
ns
C
IN
Input Capacitance
Power Dissipation
Capacitance
pF
C
PD
(*)
pF
(*) C
PD
isdefined asthe value ofthe IC’sinternal equivalent capactance which is calculated from the operating current consumption without load.
(Refer to Test Circuit).Average operting current can be obtained by thefollowingequation. I
CC
(opr) = C
PD
V
CC
f
IN
+ I
CC
M54/M74HC42
4/10
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