54AC377 Datasheet, PDF (5/8 Pages) National Semiconductor (TI) – Octal D Flip-Flop with Clock Enable

AC Electrical Characteristics
Symbol
Parameter
f_max
Maximum Clock
Frequency
t_PLH
Propagation Delay
CP to Q_n
t_PHL
Propagation Delay
CP to Q_n
Note 9: Voltage Range 3.3 is 3.3V ±0.3V
Voltage Range 5.0 is 5.0V ±0.5V
V_CC
(V)
(Note 9)
3.3
5.0
3.3
5.0
3.3
5.0
54AC
T_A = −55˚C
to +125˚C
C_L = 50 pF
Min
Max
75
95
1.0
14.0
1.5
10.0
1.0
15.0
1.5
11.0
AC Operating Requirements
Symbol
Parameter
t_s
Setup Time, HIGH or LOW
D_n to CP
t_h
Hold Time, HIGH or LOW
D_n to CP
t_s
Setup Time, HIGH or LOW
CE to CP
t_h
Hold Time, HIGH or LOW
CE to CP
t_w
CP Pulse Width
HIGH or LOW
Note 10: Voltage Range 3.3 is 3.0V ±0.3V
Voltage Range 5.0 is 5.0V ±0.5V
V_CC
(V)
(Note 10)
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
54AC
T_A = −55˚C
to +125˚C
C_L = 50 pF
Guaranteed
Minimum
7.5
6.0
1.5
2.5
9.5
6.0
1.0
2.0
6.5
5.0
AC Electrical Characteristics
Symbol
Parameter
f_max
Maximum Clock
Frequency
t_PLH
Propagation Delay
CP to Q_n
t_PHL
Propagation Delay
CP to Q_n
Note 11: Voltage Range 5.0 is 5.0V ±0.5V
V_CC
(V)
(Note 11)
5.0
5.0
5.0
54ACT
T_A = −55˚C
to +125˚C
C_L = 50 pF
Min
Max
85
1.5
11.0
1.5
12.0
Units
MHz
ns
ns
Units
ns
ns
ns
ns
ns
Units
MHz
ns
ns
Fig.
No.
Fig.
No.
Fig.
No.
5
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