74LVQ158 데이터 시트보기 (PDF) - STMicroelectronics
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74LVQ158 Datasheet PDF : 9 Pages
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74LVQ158
DYNAMIC SWITCHING CHARACTERISTICS
Test Condition
Value
Symbol
Parameter
VCC
(V)
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
VOLP Dynamic Low
0.2 0.8
Voltage Quiet
3.3
V
VOLV Output (note 1, 2)
-0.8 -0.2
VIHD Dynamic High
3.3
2
V
Voltage Input
CL = 50 pF
(note 1, 3)
VILD Dynamic Low
3.3
Voltage Input
(note 1, 3)
0.8
V
1) Worst case package.
2) Max number of outputs defined as (n). Data inputs are driven 0V to 3.3V, (n-1) outputs switching and one output at GND.
3) Max number of data inputs (n) switching. (n-1) switching 0V to 3.3V. Inputs under test switching: 3.3V to threshold (VILD), 0V to threshold
(VIHD), f=1MHz.
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 Ω, Input tr = tf = 3ns)
Test Condition
Value
Symbol
Parameter
VCC
(V)
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
tPLH tPHL Propagation Delay 2.7
Time SELECT -Y 3.3(*)
8.3 13.5
15.5
17.5
ns
7.3 10.0
11.5
13.0
tPLH tPHL Propagation Delay 2.7
Time STROBE -Y 3.3(*)
7.4 12.0
14.0
16.0
ns
6.5 10.0
11.5
13.0
tPLH tPHL Propagation Delay 2.7
Time A, B -Y
3.3(*)
6.8 10.5
12.0
13.5
ns
5.5 8.0
9.0
10
tOSLH
tOSHL
Output To Output
Skew Time
(note1, 2)
2.7
3.3(*)
0.5 1.0
1.0
1.0
0.5 1.0
1.0
1.0 ns
1) Skew is defined as the absolute value of the difference between the actual propagation delay for any two outputs of the same device switch-
ing in the same direction, either HIGH or LOW (tOSLH = |tPLHm - tPLHn|, tOSHL = |tPHLm - tPHLn|)
2) Parameter guaranteed by design
(*) Voltage range is 3.3V ± 0.3V
CAPACITIVE CHARACTERISTICS
Test Condition
Value
Symbol
Parameter
VCC
(V)
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
CIN Input Capacitance 3.3
5
pF
CPD Power Dissipation
Capacitance
3.3
fIN = 10MHz
32
pF
(note 1)
1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/n (per circuit)
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