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74AC377 • 74ACT377
AC Operating Requirements for AC
Note 8: Voltage Range 3.3 is 3.0V ± 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
Setup Time, HIGH or LOW 3.3 3.5 5.5 6.0
ns
D
n
to CP 5.0 2.5 4.0 4.5
t
H
Hold Time, HIGH or LOW 3.3 −2.0 0 0
ns
D
n
to CP 5.0 −1.0 1.0 1.0
t
S
Setup Time, HIGH or LOW 3.3 4.0 6.0 7.5
ns
CE to CP 5.0 2.5 4.0 4.5
t
H
Hold Time, HIGH or LOW 3.3 −3.5 0 0
ns
CE
to CP 5.0 −2.0 1.0 1.0
t
W
CP Pulse Width 3.3 3.5 5.5 6.0
ns
HIGH or LOW 5.0 2.5 4.0 4.5
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 5.0 140 175 125 MHz
t
PLH
Propagation Delay
5.0 3.0 6.5 9.0 2.5 10.0 ns
CP to Q
n
t
PHL
Propagation Delay
5.0 3.5 7.0 10.0 2.5 11.0 ns
CP to Q
n
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
Setup Time, HIGH or LOW
5.0 2.5 4.5 5.5 ns
D
n
to CP
t
H
Hold Time, HIGH or LOW
5.0 −1.0 1.0 1.0 ns
D
n
to CP
t
S
Setup Time, HIGH or LOW
5.0 2.5 4.5 5.5 ns
CE to CP
t
H
Hold Time, HIGH or LOW
5.0 −1.0 1.0 1.0 ns
CE to CP
t
W
CP Pulse Width
5.0 2.0 4.0 4.5 ns
HIGH or LOW
Symbol Parameter Typ Units Conditions
C
IN
Input Capacitance 4.5 pF V
CC
= OPEN
C
PD
Power Dissipation Capacitance 90.0 pF V
CC
= 5.0V