參數(shù)資料
型號(hào): 74VHC245T
廠商: 意法半導(dǎo)體
英文描述: Quadruple 2-Input Positive-AND Gates 14-SOIC -40 to 85
中文描述: 八路總線收發(fā)器三態(tài)
文件頁數(shù): 3/8頁
文件大?。?/td> 66K
代理商: 74VHC245T
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
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
V
I
= V
IH
or V
IL
V
O
= V
CC
or GND
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
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
High Impedance
Output Leakage
Current
Input Leakage Current
Quiescent Supply
Current
5.5
μ
A
I
I
0 to 5.5
5.5
V
I
= 5.5V or GND
V
I
= V
CC
orGND
±
0.1
4
±
1.0
40
μ
A
μ
A
I
CC
AC ELECTRICAL CHARACTERISTICS
(Inputt
r
= t
f
=3 ns)
Symbol
Parameter
Test Condition
C
L
(pF)
3.3
(*)
15
3.3
(*)
50
5.0
(**)
15
5.0
(**)
50
3.3
(*)
15
3.3
(*)
50
5.0
(**)
15
5.0
(**)
50
3.3
(*)
50
5.0
(**)
50
3.3
(*)
50
5.0
(**)
50
Value
Unit
V
CC
(V)
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.
8.4
11.9
5.5
7.5
13.2
16.7
8.5
10.6
15.8
9.7
1.5
1.0
Max.
10.0
13.5
6.5
8.5
15.5
19.0
10.0
12.0
18.0
11.0
1.5
1.0
t
PLH
t
PHL
Propagation Delay
Time
5.8
8.3
4.0
5.5
8.5
11.0
5.8
7.3
11.5
7.0
ns
t
PLZ
t
PHZ
Output Disable Time
R
L
= 1K
R
L
= 1K
R
L
= 1K
R
L
= 1K
R
L
= 1K
R
L
= 1K
ns
t
PZL
t
PZH
Output Enable Time
ns
t
OSLH
t
OSHL
Output to Output Skew
Time (note 1)
(*) Voltagerangeis3.3V
±
0.3V
(**) Voltagerange is 5V
±
0.5V
Note1:Parameter guaranteed bydesign. t
soLH
=|t
pLHm
-t
pLHn
|,t
soHL
=|t
pHLm
-t
pHLn
|
ns
74VHC245
3/8
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