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參數(shù)資料
| 型號： | M74HCT126 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 4-Pin Half Pitch MFP AC Input Phototransistor Output Optocoupler; Package: Half Pitch MFP; No of Pins: 4; Container: Tape & Reel |
| 中文描述： | 四總線緩沖器的三態(tài) |
| 文件頁數(shù)： | 4/10頁 |
| 文件大?。?/td> | 252K |
| 代理商： | M74HCT126 |
DC SPECIFICATIONS
Symbol
Parameter
Test Conditions
Value
-40 to 85
o
C
74HC
Min.
2.0
Unit
V
CC
(V)
T
A
= 25
o
C
54HC and 74HC
Min.
Typ.
2.0
-55 to 125
o
C
54HC
Min.
2.0
Max.
Max.
Max.
V
IH
High Level Input
Voltage
4.5
to
5.5
4.5
to
5.5
V
V
IL
Low Level Input
Voltage
0.8
0.8
0.8
V
V
OH
High Level
Output Voltage
4.5
V
I
=
V
IH
or
V
IL
I
O
=-20
μ
A
4.4
4.5
4.4
4.4
V
I
O
=-6.0 mA
4.18
4.31
4.13
4.10
V
OL
Low Level Output
Voltage
4.5
V
I
=
V
IH
or
V
IL
I
O
= 20
μ
A
0.0
0.1
0.1
0.1
V
I
O
= 6.0 mA
0.17
0.26
0.33
0.4
I
I
Input Leakage
Current
Quiescent Supply
Current
3 State Output
Off State Current
Additional worst
case supply
current
5.5
V
I
= V
CC
or GND
±
0.1
±
1
±
1
μ
A
I
CC
5.5
V
I
= V
CC
or GND
4
40
80
μ
A
I
OZ
6.0
V
I
= V
IH
or V
IL
V
O
= V
CC
or GND
Per Input pin
V
I
= 0.5V or
V
I
= 2.4V
Other Inputs at
V
CC
or GND
I
O
= 0
±
0.5
±
5
±
10
μ
A
I
CC
5.5
2.0
2.9
3.0
mA
AC ELECTRICAL CHARACTERISTICS
(Input t
r
= t
f
= 6 ns)
Symbol
Parameter
Test Conditions
Value
-40 to 85
o
C
74HC
Min.
Unit
V
CC
(V)
C
L
(pF)
T
A
= 25
o
C
54HC and 74HC
Min.
Typ.
-55 to 125
o
C
54HC
Min.
Max.
12
Max.
15
Max.
18
t
TLH
t
THL
t
PLH
t
PHL
t
PZL
t
PZH
t
PLZ
t
PHZ
C
IN
C
PD
(*)
Output Transition
Time
Propagation
Delay Time
3 State Output
Enable Time
3 State Output
Disable Time
Input Capacitance
Power Dissipation
Capacitance
4.5
50
7
ns
4.5
4.5
4.5
4.5
4.5
50
150
50
150
50
13
17
15
19
17
21
27
24
30
24
26
34
30
38
30
32
41
36
45
36
ns
ns
ns
ns
ns
R
L
= 1 K
R
L
= 1 K
R
L
= 1 K
5
10
10
10
pF
56
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/M74HCT125/126
4/10
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