IN74AC161 View Datasheet(PDF) - Integral Corp.
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IN74AC161 Datasheet PDF : 8 Pages
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IN74AC161
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 12.0 1.5 13.0
5.0 1.5 9.5 1.5 10.0
tPLH Propagation Delay, Clock to Ripple Carry 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 Carry 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 3)
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 3)
5.0 2.0 8.5 1.5 9.5
tPHL Propagation Delay, Reset to Q (Figure 2)
3.3 2.0 12.0 1.5 13.5
5.0 1.5 9.5 1.5 10.0
tPHL Propagation Delay, Reset to Ripple Carry Out 3.3 3.5 15.0 3.0 17.5
(Figure 2)
5.0 2.5 13.0 2.5 13.5
CIN Maximum Input Capacitance
5.0
4.5
4.5
Unit
MHz
ns
ns
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
216
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