74VHCT174A データシートの表示（PDF） - STMicroelectronics
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74VHCT174A Datasheet PDF : 10 Pages
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74VHCT174A
AC ELECTRICAL CHARACTERISTICS (Input tr = tf =3 ns)
Symb ol
Parameter
tPLH Propagation Delay
tPHL Time
CK to Q
tPHL Propagation Delay
Time
CLR to Q
tw CLR pulse Width
LOW
tw CK pulse Width
HIGH or LOW
ts Setup Time D to CK
HIGH or LOW
th Hold Time D to CK
HIGH or LOW
tREM Removal Time
CLR to CK
fMAX Maximum Clock
Frequency
(*) Voltage range is 5V ± 0.5V
Test Condition
V CC
CL
( V)
(pF)
5.0(*)
15
5.0(*)
50
5.0(*)
15
5.0(*)
50
5.0(*)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
15
5.0(*)
50
Value
TA = 25 oC
Min. Typ. Max.
7.2 11.0
9.7 14.5
-40 to 85 oC
Min . Max.
1.0 13.0
1.0 16.5
7.4 11.4 1.0 13.5
9.9 14.9 1.0 17.0
5.0
5.0
5.0
5.0
5.0
6.0
0.0
0.0
3.0
3.0
95 150
80
55
85
50
Unit
ns
ns
ns
ns
ns
ns
ns
MHz
CAPACITIVE CHARACTERISTICS
Symb ol
Parameter
Test Conditions
Value
Un it
TA = 25 oC
-40 to 85 oC
Min. Typ . Max. Min . Max.
CIN Input Capacitance
4
10
10
pF
CPD Power Dissipation
Capacitance (note 1)
29
pF
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 operating current can be obtained by the following equation. ICC(opr) = CPD • VCC • fIN + ICC/6 (per Flip-Flop)
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