74LVX273(1999) 데이터 시트보기 (PDF) - STMicroelectronics
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74LVX273
(Rev.:1999)
(Rev.:1999)
STMicroelectronics
74LVX273 Datasheet PDF : 10 Pages
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74LVX273
AC ELECTRICAL CHARACTERISTICS (Input tr = tf =3 ns)
Symb ol
Parameter
T est Con ditio n
VCC
CL
(V)
(pF)
Valu e
TA = 25 oC
-40 to 85 oC
Min. T yp. Max. Min. Max.
Unit
tPLH Propagation Delay Time
2.7
15
tPHL CK to Q
2.7
50
3.3(*)
15
3.3(*)
50
9.0 16.9 1.0 20.5
11.5 20.4 1.0 24.0 ns
7.1 11.0 1.0 13.0
9.6 14.5 1.0 16.5
tPHL Propagation Delay Time
2.7
15
CLR to Q
2.7
50
3.3(*)
15
3.3(*)
50
9.3 17.6 1.0 20.5
11.8 21.1 1.0 24.0 ns
7.3 11.5 1.0 13.5
9.8 15.0 1.0 17.0
twL CLR pulse Width, HIGH
2.7
3.3(*)
9.5
11.0 ns
7.5
8.0
tw CK pulse Width
2.7
3.3(*)
10.0
11.0 ns
8.0
7.5
ts Setup Time Q to CK
HIGH or LOW
2.7
3.3(*)
10.5
12.0 ns
8.5
8.5
th Hold Time Q to CK
HIGH or LOW
2.7
3.3(*)
0.0
0.0
ns
0.0
0.0
tREM Recovery Time CLR to Q
2.7
3.3(*)
9.0
10.0 ns
7.0
7.0
fMAX Maximum Clock
Frequency
2.7
15
2.7
50
3.3(*)
15
3.3(*)
50
55 110
55
45 60
40
MHz
95 150
80
60 90
55
tOSLZ Output to Output Skew
tOSHL Time (note 1, 2)
2.7
50
3.3(*)
50
0.5 1.0
0.5 1.0
1.5 ns
1.5
1) Skew is defined as the absolute value of the difference between the actual propagation delay for any twooutputs of the same device switching in the
same direction, either HIGH or LOW
2) Parameter guaranteed by design
(*) Voltage range is 3.3V ± 0.3V
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
3.3
5
pF
CPD Power Dissipation
3.3
fIN = 10 MHz
40
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/8(per circuit)
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