參數(shù)資料
型號(hào): MC74VHC1G50
廠商: ON SEMICONDUCTOR
英文描述: Buffer(緩沖器)
中文描述: 緩沖器(緩沖器)
文件頁數(shù): 3/8頁
文件大?。?/td> 254K
代理商: MC74VHC1G50
MC74VHC1G50
http://onsemi.com
3
DC ELECTRICAL CHARACTERISTICS
Symbol
Parameter
Test Conditions
V
CC
(V)
T
A
= 25
°
C
T
A
85
°
C
--55
T
A
125
°
C
Unit
Min
Typ
Max
Min
Max
Min
Max
V
IH
Minimum High--Level
Input Voltage
2.0
3.0
4.5
5.5
1.5
2.1
3.15
3.85
1.5
2.1
3.15
3.85
1.5
2.1
3.15
3.85
V
V
IL
Maximum Low--Level
Input Voltage
2.0
3.0
4.5
5.5
0.5
0.9
1.35
1.65
0.5
0.9
1.35
1.65
0.5
0.9
1.35
1.65
V
V
OH
Minimum High--Level
Output Voltage
V
IN
= V
IH
or V
IL
V
IN
= V
IH
or V
IL
I
OH
= --50
m
A
2.0
3.0
4.5
1.9
2.9
4.4
2.0
3.0
4.5
1.9
2.9
4.4
1.9
2.9
4.4
V
V
IN
= V
or V
IL
I
OH
= --4 mA
I
OH
= --8 mA
3.0
4.5
2.58
3.94
2.48
3.80
2.34
3.66
V
V
OL
Maximum Low--Level
Output Voltage
V
IN
= V
IH
or V
IL
V
IN
= V
IH
or V
IL
I
OL
= 50
m
A
2.0
3.0
4.5
0.0
0.0
0.0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
V
V
IN
= V
or V
IL
I
OL
= 4 mA
I
OL
= 8 mA
3.0
4.5
0.36
0.36
0.44
0.44
0.52
0.52
V
I
IN
Maximum Input
Leakage Current
V
IN
= 5.5 V or GND
0 to
5.5
±
0.1
±
1.0
±
1.0
m
A
I
CC
Maximum Quiescent
Supply Current
V
IN
= V
CC
or GND
5.5
1.0
20
40
m
A
AC ELECTRICAL CHARACTERISTICS
C
load
= 50 pF, Input t
r
= t
f
= 3.0 ns
Symbol
Parameter
Test Conditions
T
A
= 25
°
C
T
A
85
°
C
--55
T
A
125
°
C
Unit
Min
Typ
Max
Min
Max
Min
Max
t
PLH
,
t
PHL
Maximum Propaga-
tion Delay,
Input A to Y
V
CC
= 3.3
±
0.3 V
C
L
= 15 pF
C
L
= 50 pF
4.5
6.4
7.1
10.6
8.5
12.0
10.0
14.5
ns
V
CC
= 5.0
±
0.5 V
C
L
= 15 pF
C
L
= 50 pF
3.5
4.5
5.5
7.5
6.5
8.5
8.0
10.0
C
IN
Maximum Input Ca-
pacitance
4
10
10
10
pF
C
PD
6. C
PD
is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load.
Average operating current can be obtained by the equation: I
CC(OPR
)
= C
PD
ˉ
V
CC
ˉ
f
in
+ I
CC
. C
PD
is used to determine the no--load dynamic
power consumption; P
D
= C
PD
ˉ
V
CC2
ˉ
f
in
+ I
CC
ˉ
V
CC
.
Power Dissipation Capacitance (Note 6)
Typical @ 25
°
C, V
CC
= 5.0 V
8.0
pF
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