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74AC574 • 74ACT574
AC Operating Requirements for AC
Note 8: Voltage Range 3.3 is 3.3V ± 0.3V
Voltage Range 5.0 is 5.0V ± 0.5V
AC Electrical Characteristics for ACT
Note 9: Voltage Range 5.0 is 5.0V ±0.5V
AC Operating Requirements for ACT
Note 10: Voltage Range 5.0 is 5.0V ± 0.5V
Capacitance
V
CC
T
A
= +25°CT
A
= −40°C to +85°C
Symbol Parameter (V)
C
L
= 50 pF C
L
= 50 pF
Units
(Note 8) Typ Guaranteed Minimum
t
S
Set-Up Time, HIGH or LOW 3.3 0.5 2.5 3.0
ns
D
n
to CP 5.0 0 1.5 2.0
t
H
Hold Time, HIGH or LOW 3.3 −0.5 1.5 1.5
ns
D
n
to CP 5.0 0 1.5 1.5
t
W
CP Pulse Width 3.3 3.5 6.0 7.0
ns
HIGH or LOW 5.0 2.0 4.0 5.0
V
CC
T
A
= +25°CT
A
= −40°C to +85°C
Symbol Parameter (V)
C
L
= 50 pF C
L
= 50 pF
Units
(Note 9) Min Typ Max Min Max
f
MAX
Maximum Clock Frequency 5.0 100 110 85 ns
t
PLH
Propagation Delay
5.0 2.5 7.0 11.0 2.0 12.0 ns
CP to O
n
t
PHL
Propagation Delay
5.0 2.0 6.5 10.0 1.5 11.0 ns
CP to O
n
t
PZH
Output Enable Time 5.0 2.0 6.4 9.5 1.5 10.0 ns
t
PZL
Output Enable Time 5.0 2.0 6.0 9.0 1.5 10.0 ns
t
PHZ
Output Disable Time 5.0 2.0 7.0 10.5 1.5 11.5 ns
t
PLZ
Output Disable Time 5.0 2.0 5.5 8.5 1.5 9.0 ns
V
CC
T
A
= +25°CT
A
= −40°C to +85°C
Symbol Parameter (V)
C
L
= 50 pF C
L
= 50 pF
Units
(Note 10) Typ Guaranteed Minimum
t
S
Set-Up Time, HIGH or LOW
5.0 1.5 2.5 ns
D
n
to CP
t
H
Hold Time, HIGH or LOW
5.0 −0.5 1.0 ns
D
n
to CP
t
W
CP Pulse Width
5.0 2.5 4.0 ns
HIGH or LOW
Symbol Parameter Typ Units Conditions
C
IN
Input Capacitance 4.5 pF V
CC
= OPEN
C
PD
Power Dissipation Capacitance 40.0 pF V
CC
= 5.0V