74ACT280 查看數據表（PDF） - STMicroelectronics
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74ACT280 Datasheet PDF : 9 Pages
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74ACT280
DC SPECIFICATIONS
Test Condition
Value
Symbol
Parameter
VCC
(V)
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
VIH High Level Input
4.5
VO = 0.1 V or
2.0 1.5
2.0
2.0
Voltage
5.5
VCC-0.1V
2.0 1.5
2.0
2.0
V
VIL Low Level Input
Voltage
4.5
VO = 0.1 V or
5.5
VCC-0.1V
1.5 0.8
0.8
0.8
1.5 0.8
0.8
0.8
VOH High Level Output 4.5
IO=-50 µA
4.4 4.49
4.4
4.4
V
Voltage
5.5
IO=-50 µA
5.4 5.49
5.4
5.4
4.5
IO=-24 mA
3.86
3.76
3.7
5.5
IO=-24 mA
4.86
4.76
4.7
VOL Low Level Output 4.5
Voltage
5.5
IO=50 µA
IO=50 µA
0.001 0.1
0.001 0.1
) 4.5
IO=24 mA
0.36
t(s 5.5
IO=24 mA
0.36
uc II
Input Leakage Cur-
rent
5.5
VI = VCC or GND
± 0.1
d ICCT Max ICC/Input
5.5 VI = VCC - 2.1V
0.6
Pro ICC
Quiescent Supply
Current
5.5 VI = VCC or GND
4
te IOLD
le IOHD
Dynamic Output
Current (note 1, 2)
5.5 VOLD = 1.65 V max
VOHD = 3.85 V min
1) Maximum test duration 2ms, one output loaded at time
o 2) Incident wave switching is guaranteed on transmission lines with impedances as low as 50Ω
0.1
0.1
0.44
0.44
±1
1.5
40
75
-75
0.1
V
0.1
0.5
0.5
± 1 µA
1.6 mA
80 µA
50 mA
-50 mA
bs AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 Ω, Input tr = tf = 3ns)
- O Test Condition
Value
t(s) Symbol
Parameter
VCC
(V)
uc tPLH tPHL Propagation Delay
d Time (Input -
ro ΣODD, ΣEVEN)
P (*) Voltage range is 5.0V ± 0.5V
5.0(*)
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
3.0 7.0 13.0 2.0 14.5 2.0 14.5 ns
te CAPACITIVE CHARACTERISTICS
Obsole Symbol
Parameter
Test Condition
VCC
(V)
Value
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
CIN Input Capacitance 5.0
4
pF
CPD Power Dissipation
Capacitance (note 5.0
fIN = 10MHz
67
pF
1)
1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/n (per circuit)
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