74ACT161M(1998) データシートの表示（PDF） - STMicroelectronics
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74ACT161M Datasheet PDF : 11 Pages
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74ACT161
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 Ω, Input tr = tf =3 ns)
Symb ol
Parameter
tPLH Propagation Delay Time
tPHL CK to Q
tPLH Propagation Delay Time
tPHL CK to CARRY OUT
tPLH Propagation Delay Time
tPHL TE to CARRY OUT
tPHL Propagation Delay Time
CLEAR to CARRY OUT
twL CLR pulse Width, LOW
tw CK pulse Width (LOAD)
HIGH or LOW
tw CK pulse Width (COUNT)
HIGH or LOW
ts Setup Time HIGH or LOW
(INPUT to CK)
th Hold Time HIGH or LOW
(INPUT to CK)
ts Setup Time HIGH or LOW
(LOAD to CK)
th Hold Time HIGH or LOW
(LOAD to CK)
ts Setup Time HIGH or LOW
(PE or TE to CK)
th Hold Time HIGH or LOW
(PE or TE to CK)
tREM Recovery Time CLR to Q
fMAX Maximum Clock Frequency
(*) Voltage range is 5V ± 0.5V
T est Con ditio n
VCC
(V)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
Valu e
TA = 25 oC
-40 to 85 oC
Min. T yp. Max. Min. Max.
1.5 5.5 9.5
10.5
Unit
ns
1.5 7.0 11.0
12.0 ns
1.5 5.5 8.5
10.0 ns
1.5 6.0 10.0
11.0 ns
2.5 3.0
2.0 3.0
7.5 ns
3.5
ns
2.0 3.0
3.5
ns
1.5 9.5
11.5 ns
-0.5 0
1.0
ns
2.0 8.5
9.5
ns
-2.0 -0.5
0
ns
1.5 5.5
6.5
ns
-2.0 0
0.5
ns
-0.5 0.5
1.0 ns
115 125
100
MHz
CAPACITIVE CHARACTERISTICS
Symb ol
Parameter
Test Conditions
VCC
(V)
Valu e
TA = 25 oC
-40 to 85 oC
Min. T yp. Max. Min. Max.
Unit
CIN Input Capacitance
5.0
4.5
pF
CPD Power Dissipation
5.0
fIN = 10 MHz
45
pF
Capacitance (note 1)
1) CPD isdefined as the value of the IC’sinternal equivalent capacitance which is calculated fromthe operating current consumption without load. (Referto
Test Circuit).Average operting current can be obtained by the following equation. ICC(opr) = CPD • VCC • fIN + ICC/n(per circuit)
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