74VHC164_99 Datasheet, PDF (4/7 Pages) Fairchild Semiconductor – 8-Bit Serial-In, Parallel-Out Shift Register

AC Electrical Characteristics
Symbol
Parameter
V_CC
T_A = 25°C
T_A = −40°C to +85°C
Units
(V)
Min
Typ
Max
Min
Max
Conditions
f_MAX
t_PLH
t_PHL
t_PLH
t_PHL
C_IN
C_PD
Maximum Clock Frequency 3.3 ± 0.3 80
125
50
75
65
MHz ^{CL = 15 pF}
45
C_L = 50 pF
5.0 ± 0.5 125
175
85
115
105
MHz ^{CL = 15 pF}
75
C_L = 50 pF
Propagation Delay
Time (CP–Q_n)
3.3 ± 0.3
8.4
12.8
1.0
15.0
ns ^{CL = 15 pF}
10.9
16.3
1.0
18.5
C_L = 50 pF
5.0 ± 0.5
5.8
9.0
1.0
10.5
ns ^{CL = 15 pF}
7.3
11.0
1.0
12.5
C_L = 50 pF
Propagation Delay
Time (MR–Q_n)
3.3 ± 0.3
8.3
12.8
1.0
15.0
ns ^{CL = 15 pF}
10.8
16.3
1.0
18.5
C_L = 50 pF
5.0 ± 0.5
5.2
8.6
1.0
10.0
ns ^{CL = 15 pF}
6.7
10.6
1.0
12.0
C_L = 50 pF
Input Capacitance
4
10
10
pF V_CC = Open
Power Dissipation
76
pF (Note 4)
Capacitance
Note 4: C_PD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load. Average
operating current can be obtained from the equation: I_CC (opr.) = C_PD * V_CC * f_IN + I_CC.
AC Operating Requirements
Symbol
Parameter
t_W(L)
t_W(H)
t_W(L)
Minimum Pulse Width (CP)
Minimum Pulse Width (MR)
t_S
Minimum Setup Time
t_H
Minimum Hold Time
t_REC
Minimum Removal Time (MR)
Note 5: V_CC is 3.3 ± 0.3V or 5.0 ± 0.5V
V_CC
(V)
(Note 5)
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
T_A = 25°C
T_A = −40°C to +85°C
Typ
Guaranteed Minimum
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
6.0
4.5
4.5
0.0
0.0
1.0
1.0
2.5
2.5
2.5
2.5
Units
ns
ns
ns
ns
ns
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