English
Language : 

MC74AC74_15 Datasheet, PDF (4/10 Pages) ON Semiconductor – Dual D-Type Positive Edge-Triggered Flip-Flop
MC74AC74, MC74ACT74
DC CHARACTERISTICS
74AC
74AC
Symbol
Parameter
VCC
(V)
TA = +25°C
TA =
−40°C to
+85°C
Unit
Conditions
Typ Guaranteed Limits
VIH
Minimum High Level
Input Voltage
3.0
1.5 2.1
2.1
4.5 2.25 3.15
3.15
5.5 2.75 3.85
3.85
VOUT = 0.1 V
V
or VCC − 0.1 V
VIL
Maximum Low Level
Input Voltage
3.0
1.5 0.9
0.9
4.5 2.25 1.35
1.35
5.5 2.75 1.65
1.65
VOUT = 0.1 V
V
or VCC − 0.1 V
VOH
Minimum High Level
Output Voltage
3.0 2.99 2.9
2.9
4.5 4.49 4.4
4.4
5.5 5.49 5.4
5.4
IOUT = −50 mA
V
3.0
− 2.56
2.46
4.5
− 3.86
3.76
5.5
− 4.86
4.76
*VIN = VIL or VIH
−12 mA
V
IOH
−24 mA
−24 mA
VOL
Maximum Low Level
Output Voltage
3.0 0.002 0.1
0.1
4.5 0.001 0.1
0.1
5.5 0.001 0.1
0.1
IOUT = 50 mA
V
3.0
− 0.36
0.44
4.5
− 0.36
0.44
5.5
− 0.36
0.44
*VIN = VIL or VIH
V
IOL
12 mA
24 mA
24 mA
IIN
Maximum Input
Leakage Current
5.5
− ±0.1
±1.0
mA
VI = VCC, GND
IOLD
IOHD
ICC
†Minimum Dynamic
Output Current
Maximum Quiescent
Supply Current
5.5
−
−
75
5.5
−
−
−75
5.5
−
4.0
40
mA
VOLD = 1.65 V Max
mA
VOHD = 3.85 V Min
mA
VIN = VCC or GND
*All outputs loaded; thresholds on input associated with output under test.
†Maximum test duration 2.0 ms, one output loaded at a time.
NOTE: IIN and ICC @ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V VCC.
AC CHARACTERISTICS
74AC
74AC
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
Maximum Clock
fmax
Frequency
Propagation Delay
tPLH
CDn or SDn to Qn or Qn
Propagation Delay
tPHL
CDn or SDn to Qn or Qn
Propagation Delay
tPLH
CPn to Qn or Qn
Propagation Delay
tPHL
CPn to Qn or Qn
*Voltage Range 3.3 V is 3.3 V ±0.3 V.
Voltage Range 5.0 V is 5.0 V ±0.5 V.
3.3 100 125 −
95
−
5.0 140 160
− 125
−
MHz 3−3
3.3 5.0 8.0 12.5 4.0 13.0
5.0 3.5 6.0 9.0 3.0 10.0
ns
3−6
3.3 4.0 10.5 12.0 3.5 13.5
5.0 3.0 8.0 9.5 2.5 10.5
ns
3−6
3.3 4.5 8.0 13.5 4.0 16.0
5.0 3.5 6.0 10.0 3.0 10.5
ns
3−6
3.3 3.5 8.0 14.0 3.5 14.5
5.0 2.5 6.0 10.0 2.5 10.5
ns
3−6
www.onsemi.com
4