74VHC174_99 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
74VHC174_99 Datasheet PDF : 10 Pages
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74VHC174
AC ELECTRICAL CHARACTERISTICS (Input tr = tf =3 ns)
Symb ol
Parameter
tPLH Propagation Delay Time
tPHL CK to Q
tPHL Propagation Delay Time
CLR to Q
tw CLR pulse Width
LOW
tw CK pulse Width
HIGH r 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 3.3V ± 0.3V
(**) Voltage range is 5V ± 0.5V
Test Condition
V CC
CL
( V)
(pF)
3.3(*)
15
3.3(*)
50
5.0(**)
15
5.0(**)
50
3.3(*)
15
3.3(*)
50
5.0(**)
15
5.0(**)
50
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
15
3.3(*)
50
5.0(**)
15
5.0(**)
50
Value
TA = 25 oC
Min. Typ. Max.
7.2 11.0
9.7 14.5
4.9 7.2
6.4 9.2
7.4 11.4
9.9 14.9
5.1 7.6
6.6 9.6
5.0
5.0
5.0
5.0
5.0
4.5
0.0
0.5
3.0
2.5
95 150
55
85
130 175
90 120
-40 to 85 oC
Min . Max.
1.0 13.0
1.0 16.5
1.0 8.5
1.0 10.5
1.0 13.5
1.0 17.0
1.0 9.0
1.0 11.0
5.0
5.0
5.0
5.0
6.0
4.5
0.0
0..5
3.0
2.5
80
50
110
80
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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