参数资料
型号: 74VHC125
厂商: 意法半导体
英文描述: Quad Bus Buffers (3-State)(四总线缓冲器)
中文描述: 四总线缓冲器(三态)(四总线缓冲器)
文件页数: 3/8页
文件大小: 69K
代理商: 74VHC125
DC SPECIFICATIONS
Symbol
Parameter
Test Conditions
V
CC
(V)
Value
Unit
T
A
= 25
o
C
Min.
Typ.
1.5
0.7V
CC
-40 to 85
o
C
Min.
1.5
0.7V
CC
Max.
Max.
V
IH
High Level Input
Voltage
2.0
V
3.0 to 5.5
2.0
3.0 to 5.5
2.0
3.0
4.5
3.0
4.5
2.0
3.0
4.5
3.0
4.5
V
IL
Low Level Input
Voltage
0.5
0.5
V
0.3V
CC
0.3V
CC
V
OH
High Level Output
Voltage
V
I(*)
=
V
IH
or
V
IL
I
O
=-50
μ
A
I
O
=-50
μ
A
I
O
=-50
μ
A
I
O
=-4 mA
I
O
=-8 mA
I
O
=50
μ
A
I
O
=50
μ
A
I
O
=50
μ
A
I
O
=4 mA
I
O
=8 mA
1.9
2.9
4.4
2.58
3.94
2.0
3.0
4.5
1.9
2.9
4.4
2.48
3.8
V
V
OL
Low Level Output
Voltage
V
I(*)
=
V
IH
or
V
IL
0.0
0.0
0.0
0.1
0.1
0.1
0.36
0.36
±
0.25
0.1
0.1
0.1
0.44
0.44
±
2.5
V
I
OZ
3 State Output
Leakage Current
Input Leakage Current
Quiescent Supply
Current
(*)Alloutputs loaded.
5.5
V
I
= V
IH
or V
IL
V
O
= V
CC
or GND
V
I
= 5.5V or GND
V
I
= V
CC
or GND
μ
A
I
I
0 to 5.5
5.5
±
0.1
4
±
1.0
40
μ
A
μ
A
I
CC
AC ELECTRICAL CHARACTERISTICS
(Input t
r
= t
f
=3 ns)
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
3.3
(*)
3.3
(*)
5.0
(**)
5.0
(**)
3.3
(*)
3.3
(*)
5.0
(**)
5.0
(**)
3.3
(*)
5.0
(**)
3.3
(*)
5.0
(**)
T
A
= 25
o
C
Min.
Typ.
-40 to 85
o
C
Min.
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Max.
8.0
11.5
5.5
7.5
8.0
11.5
5.1
7.1
13.2
8.8
1.5
1.0
Max.
9.5
13.0
6.5
8.5
9.5
13.0
6.0
8.0
15.0
10.0
1.5
1.0
t
PLH
t
PHL
Propagation Delay
Time
C
L
= 15 pF
C
L
= 50 pF
C
L
= 15 pF
C
L
= 50 pF
C
L
= 15 pF (***)
C
L
= 50 pF (***)
C
L
= 15 pF (***)
C
L
= 50 pF (***)
C
L
= 50 pF (***)
C
L
= 50 pF (***)
C
L
= 50 pF
C
L
= 50 pF
5.6
8.1
3.8
5.3
5.4
7.9
3.6
5.1
9.5
6.1
ns
t
PLZ
t
PHZ
Output Disable Time
ns
t
PZL
t
PZH
Output Enable Time
ns
t
OSLH
t
OSHL
Output to Output Skew
Time (note 1)
(*) Voltagerange is3.3V
±
0.3V
(**) Voltagerange is5V
±
0.5V
(***)R
L
= 1K
Note1:Parameter guaranteed bydesign. t
soLH
=|t
pLHm
- t
pLHn
|,t
soHL
=|t
pHLm
- t
pHLn
|
ns
74VHC125
3/8
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