MC74AC161_15 Datasheet, PDF (9/12 Pages) ON Semiconductor – Synchronous Presettable Binary Counter

MC74AC161, MC74ACT161, MC74AC163, MC74ACT163
AC CHARACTERISTICS (For Figures and Waveforms − See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)
74ACT161
74ACT161
Symbol
Parameter
V_CC*
(V)
T_A = +25°C
C_L = 50 pF
T_A = −40°C
to +85°C
C_L = 50 pF
Unit
Fig.
No.
Min Typ Max Min Max
f_max
Maximum Count
Frequency
5.0 115 125
− 100
−
MHz 3−3
t_PLH
Propagation Delay
CP to Q_n (PE Input HIGH or LOW)
t_PHL
Propagation Delay
CP or Q_n (PE Input HIGH or LOW)
t_PLH
Propagation Delay
CP to TC
t_PHL
Propagation Delay
CP to TC
t_PLH
Propagation Delay
CET to TC
t_PHL
Propagation Delay
CET to TC
t_PHL
Propagation Delay
MR to Q_n
t_PHL
Propagation Delay
MR to TC
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
5.0 1.5 8.0 9.5 1.5 10.5 ns
3−6
5.0 1.5 8.0 10.5 1.5 11.5 ns
3−6
5.0 2.0 11.0 11.0 1.5 12.5 ns
3−6
5.0 1.5 11.0 12.5 1.5 13.5 ns
3−6
5.0 1.5 7.5 8.5 1.5 10.0 ns
3−6
5.0 1.5 8.0 9.5 1.5 10.5 ns
3−6
5.0 1.5 8.0 10.0 1.5 11.0 ns
3−6
5.0 2.5 10.0 13.5 2.0 14.5 ns
3−6
AC CHARACTERISTICS (For Figures and Waveforms − See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)
74ACT163
74ACT163
Symbol
Parameter
V_CC*
(V)
T_A = +25°C
C_L = 50 pF
T_A = −40°C
to +85°C
C_L = 50 pF
Unit
Fig.
No.
Min Typ Max Min Max
f_max
Maximum Count
Frequency
t_PLH
Propagation Delay
CP to Q_n (PE Input HIGH or LOW)
t_PHL
Propagation Delay
CP to Q_n (PE Input HIGH or LOW)
t_PLH
Propagation Delay
CP to TC
t_PHL
Propagation Delay
CP to TC
t_PLH
Propagation Delay
CET to TC
t_PHL
Propagation Delay
CET to TC
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
5.0 120 140
− 105
−
MHz 3−3
5.0 1.5 5.5 10.0 1.5 11.0 ns
3−6
5.0 1.5 6.0 11.0 1.5 12.0 ns
3−6
5.0 2.5 7.0 11.5 2.0 13.5 ns
3−6
5.0 3.0 8.0 13.5 2.0 15.0 ns
3−6
5.0 2.0 5.5 9.0 1.5 10.5 ns
3−6
5.0 2.0 6.0 10.0 2.0 11.0 ns
3−6
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