MC74ACT273N 查看數據表（PDF） - ON Semiconductor
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MC74ACT273N Datasheet PDF : 8 Pages
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MC74AC273, MC74ACT273
DC CHARACTERISTICS
Symbol
Parameter
VCC
(V)
VIH
Minimum High Level Input Voltage
3.0
4.5
5.5
VIL
Maximum Low Level Input Voltage
3.0
4.5
5.5
VOH
Minimum High Level Output Voltage 3.0
4.5
5.5
74AC
74AC
TA = +25°C
TA = −40°C to +85°C Unit
Typ
Guaranteed Limits
1.5
2.1
2.1
V
2.25 3.15
3.15
2.75 3.85
3.85
1.5
0.9
0.9
V
2.25 1.35
1.35
2.75 1.65
1.65
2.99
2.9
2.9
V
4.49
4.4
4.4
5.49
5.4
5.4
3.0
−
2.56
2.46
4.5
−
3.86
3.76
V
5.5
−
4.86
4.76
VOL
Maximum Low Level Output Voltage 3.0 0.002 0.1
0.1
V
4.5 0.001 0.1
0.1
5.5 0.001 0.1
0.1
3.0
−
0.36
0.44
4.5
−
0.36
0.44
V
5.5
−
0.36
0.44
IIN
Maximum Input Leakage Current
5.5
−
±0.1
±1.0
mA
IOLD
†Minimum Dynamic Output Current
5.5
−
−
IOHD
5.5
−
−
75
mA
−75
ICC
Maximum Quiescent Supply Current 5.5
−
8.0
80
mA
*All outputs loaded; thresholds on input associated with output under test.
†Maximum test duration 2.0 ms, one output loaded at a time.
NOTE: Note: IIN and ICC @ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V VCC.
Conditions
VOUT = 0.1 V
or VCC − 0.1 V
VOUT = 0.1 V
or VCC − 0.1 V
IOUT = −50 mA
*VIN = VIL or VIH
−12 mA
IOH
−24 mA
−24 mA
IOUT = 50 mA
*VIN = VIL or VIH
12 mA
IOL
24 mA
24 mA
VI = VCC, GND
VOLD = 1.65 V Max
VOHD = 3.85 V Min
VIN = VCC or GND
AC CHARACTERISTICS (For Figures and Waveforms − See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)
Symbol
Parameter
VCC*
(V)
74AC
TA = +25°C CL = 50 pF
Min
Typ
Max
fmax
Maximum Clock
Frequency
3.3
90
125
−
5.0 140
175
−
tPLH
Propagation Delay
Clock to Output
3.3
4.0
5.0
3.0
7.0
12.5
5.5
9.0
tPHL
Propagation Delay
Clock to Output
3.3
4.0
5.0
3.0
7.0
13.0
5.0
10.0
tPHL
Propagation Delay
MR to Output
3.3
4.0
5.0
3.0
7.0
13.0
5.0
10.0
*Voltage Range 3.3 V is 3.3 V ±0.3 V. Voltage Range 5.0 V is 5.0 V ±0.5 V.
74AC
TA = −40°C to +85°C CL = 50 pF Unit
Min
Max
75
125
−
−
Mhz
3.0
2.5
14.0
10.0
ns
3.5
2.5
14.5
11.0
ns
3.5
2.5
14.0
10.5
ns
Figure
No.
3−3
3−6
3−6
3−6
AC OPERATING REQUIREMENTS
Symbol
Parameter
VCC*
(V)
74AC
74AC
TA = +25°C CL = 50 pF TA = −40°C to +85°C CL = 50 pF
Typ
Guaranteed Minimum
ts
Setup Time, HIGH or LOW
Data to CP
3.3
3.5
5.5
5.0
2.5
4.0
6.0
4.5
th
Hold Time, HIGH or LOW
Data to CP
3.3
−2.0
0
5.0
−1.0
1.0
0
1.0
tw
Clock Pulse Width
HIGH or LOW
3.3
3.5
5.5
5.0
2.5
4.0
6.0
4.5
tw
MR Pulse Width
HIGH or LOW
3.3
2.0
5.5
5.0
1.5
4.0
6.0
4.5
trec
Recovery Time
MR to CP
3.3
1.5
3.5
5.0
1.0
2.0
4.5
3.0
*Voltage Range 3.3 V is 3.3 V ±0.3 V. Voltage Range 5.0 V is 5.0 V ±0.5 V.
Unit
Figure
No.
ns
3−9
ns
3−9
ns
3−6
ns
3−6
ns
3−9
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