IN74AC163
AC ELECTRICAL CHARACTERISTICS (CL=50pF,Input tr=tf=3.0 ns)
Symbol
Parameter
VCC*
Guaranteed Limits
V
25 °C
-40°C to
85°C
Min Max Min Max
fmax Maximum Clock Frequency (Figure 1)
3.3 70
60
5.0 110
95
tPLH Propagation Delay Clock to Q (Figure 1)
3.3 2.0 12.0 1.5 13.5
5.0 1.5 9.0 1.0 9.5
tPHL Propagation Delay Clock to Q (Figure 1)
3.3 1.5 12.5 1.5 13.0
5.0 1.5 9.5 1.5 10.0
tPLH Propagation Delay, Clock to Ripple Cary Out 3.3 3.0 15.0 2.5 16.5
(Figure 1)
5.0 2.0 10.5 1.5 11.5
tPHL Propagation Delay, Clock to Ripple Cary Out 3.3 3.5 14.0 2.5 15.5
(Figure 1)
5.0 2.0 11.0 2.0 11.5
tPLH Propagation Delay, Enable T to Ripple Carry 3.3 2.0 9.5 1.5 11.0
Out (Figure 2)
5.0 1.5 6.5 1.0 7.5
tPHL Propagation Delay, Enable T to Ripple Carry 3.3 2.5 11.0 2.0 12.5
Out (Figure 2)
5.0 2.0 8.5 1.5 9.5
CIN Maximum Input Capacitance
5.0
4.5
4.5
Unit
MHz
ns
ns
ns
ns
ns
ns
pF
CPD Power Dissipation Capacitance
*Voltage Range 3.3 V is 3.3 V ±0.3 V
Voltage Range 5.0 V is 5.0 V ±0.5 V
Typical @25°C,VCC=5.0 V
45
pF
Rev. 00