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| 74AC163 Datasheet, PDF (6/12 Pages) STMicroelectronics – SYNCHRONOUS PRESETTABLE 4-BIT COUNTER | |||
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74AC163
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 â¦, 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
tw CK pulse Width, (Count)
HIGH or LOW
tw CK pulse Width (Load)
HIGH or LOW
ts Setup Time HIGH or LOW
(INPUT to CLOCK)
th Hold Time HIGH or LOW
(INPUT to CK)
ts Setup Time HIGH or LOW
(CLEAR to CK)
th Hold Time HIGH or LOW
(CLEAR 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)
fMAX Maximum Clock Frequency
(*) Voltage range is 3.3V ± 0.3V
(**) Voltage range is 5V ± 0.5V
T est Con ditio n
VCC
(V)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
Valu e
TA = 25 oC
-40 to 85 oC
Min. T yp. Max. Min. Max.
7.0 12.0
13.0
5.0 9.0
9.5
8.0 14.0
15.0
6.0 10.5
11.5
5.5 9.5
11.0
4.0 6.5
7.5
2.0 4.5
7.5
2.0 4.0
4.5
2.0 3.0
3.5
2.0 2.5
3.0
2.0 4.0
5.0
1.5 3.0
4.0
-1.5 -0.5
0
-1.0 0.5
1.0
1.0 3.0
4.0
1.0 3.5
4.5
-0.5 0.5
1.0
-0.3 0.5
1.0
3.0 5.0
8.0
2.5 6.0
7.0
-2.5 -1.0
-0.5
-1.5 0
0.5
3.0 6.0
7.0
2.0 4.0
5.0
-2.0 -0.5
0
-1.5 0
0.5
70 200
60
110 200
95
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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
35
pF
Capacitance (note 1)
1) CPD isdefined as the value of the ICâsinternal 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)
6/12
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