MC74AC74, MC74ACT74
DC CHARACTERISTICS
Symbol
Parameter
VIH
Minimum High Level
Input Voltage
VIL
Maximum Low Level
Input Voltage
VOH
Minimum High Level
Output Voltage
74ACT
74ACT
VCC
(V)
TA = +25°C
TA =
−40°C to
+85°C
Typ Guaranteed Limits
4.5
1.5 2.0
2.0
5.5
1.5 2.0
2.0
4.5
1.5 0.8
0.8
5.5
1.5 0.8
0.8
4.5 4.49 4.4
4.4
5.5 5.49 5.4
5.4
VOL
Maximum Low Level
Output Voltage
4.5
− 3.86
3.76
5.5
− 4.86
4.76
4.5 0.001 0.1
0.1
5.5 0.001 0.1
0.1
4.5
− 0.36
0.44
5.5
− 0.36
0.44
IIN
Maximum Input
Leakage Current
5.5
− ±0.1
±1.0
DICCT
Additional Max. ICC/Input
5.5
0.6
−
1.5
IOLD
IOHD
†Minimum Dynamic
Output Current
5.5
−
−
75
5.5
−
−
−75
ICC
Maximum Quiescent
Supply Current
5.5
−
4.0
40
*All outputs loaded; thresholds on input associated with output under test.
†Maximum test duration 2.0 ms, one output loaded at a time.
Unit
Conditions
V
VOUT = 0.1 V
or VCC − 0.1 V
V
VOUT = 0.1 V
or VCC − 0.1 V
V
IOUT = −50 mA
*VIN = VIL or VIH
V
−24 mA
IOH
−24 mA
V
IOUT = 50 mA
*VIN = VIL or VIH
V
IOL
24 mA
24 mA
mA
VI = VCC, GND
mA
VI = VCC − 2.1 V
mA
VOLD = 1.65 V Max
mA
VOHD = 3.85 V Min
mA
VIN = VCC or GND
AC CHARACTERISTICS (For Figures and Waveforms − See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)
74ACT
74ACT
Symbol
Parameter
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = −40°C
to +85°C
CL = 50 pF
Unit
Fig.
No.
Min Typ Max Min Max
fmax
Maximum Clock
Frequency
tPLH
Propagation Delay
CDn or SDn to Qn or Qn
tPHL
Propagation Delay
CDn or SDn to Qn or Qn
tPLH
Propagation Delay
CPn to Qn or Qn
tPHL
Propagation Delay
CPn to Qn or Qn
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
5.0 145 210
−
125
−
MHz
3−3
5.0 3.0 5.5 9.5 2.5 10.5 ns
3−6
5.0 3.0 6.0 10.0 3.0 11.5 ns
3−6
5.0 4.0 7.5 11.0 4.0 13.0 ns
3−6
5.0 3.5 6.0 10.0 3.0 11.5 ns
3−6
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