74ACT825 Datasheet, PDF (4/7 Pages) Fairchild Semiconductor – 8-Bit D-Type Flip-Flop

AC Electrical Characteristics
Symbol
Parameter
f_MAX
Maximum Clock
Frequency
t_PLH
Propagation Delay
CP to O_n
t_PHL
Propagation Delay
CP to O_n
t_PHL
Propagation Delay
CLR to O_n
t_PZH
Output Enable Time
OE to O_n
t_PZL
Output Enable Time
OE to O_n
t_PHZ
Output Disable Time
OE to O_n
t_PLZ
Output Disable Time
OE to O_n
Note 4: Voltage Range 5.0 is 5.0V ± 0.5V
V_CC
(V)
(Note 4)
5.0
T_A = +25°C
C_L = 50 pF
Min
Typ
Max
120
158
5.0
1.5
5.5
9.5
5.0
2.0
5.5
9.5
5.0
2.5
8.0
13.5
5.0
1.5
6.0
10.5
5.0
2.0
6.5
11.0
5.0
1.5
6.5
11.0
5.0
1.5
6.0
10.5
T_A = −40°C to +85°C
C_L = 50 pF
Min
Max
109
1.5
10.5
1.5
10.5
2.0
15.5
1.5
11.5
1.5
12.0
1.5
12.0
1.5
11.5
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
EN to CP
t_H
Hold Time, HIGH or LOW
EN to CP
t_W
CP Pulse Width
HIGH or LOW
t_W
CLR Pulse Width, LOW
t_REC
CLR to CP
Recovery Time
Note 5: Voltage Range 5.0 is 5.0V ± 0.5V
V_CC
(V)
(Note 5)
5.0
5.0
5.0
5.0
5.0
5.0
5.0
T_A = +25°C
C_L = 50 pF
Typ
T_A = −40°C to +85°C
C_L = 50 pF
Guaranteed Minimum
0.5
2.5
2.5
0
2.5
2.5
0
2.0
2.5
0
1.0
1.0
2.5
4.5
5.5
3.0
5.5
5.5
1.5
3.5
4.0
Capacitance
Symbol
C_IN
C_PD
Parameter
Input Capacitance
Power Dissipation Capacitance
Typ
Units
Conditions
4.5
pF
V_CC = OPEN
44
pF
V_CC = 5.0V
Units
MHz
ns
ns
ns
ns
ns
ns
ns
Units
ns
ns
ns
ns
ns
ns
ns
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