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74LVX138 View Datasheet(PDF) - STMicroelectronics

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74LVX138 Datasheet PDF : 12 Pages
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74LVX138
Table 7: Dynamic Switching Characteristics
Test Condition
Value
Symbol
Parameter
VCC
(V)
VOLP Dynamic Low
Voltage Quiet
3.3
VOLV Output (note 1, 2)
VIHD Dynamic High
3.3
Voltage Input (note
1, 3)
VILD Dynamic Low
3.3
Voltage Input (note
1, 3)
CL = 50 pF
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
0.3 0.5
-0.5 -0.3
2
V
0.8
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.
Table 8: AC Electrical Characteristics (Input tr = tf = 3ns)
Test Condition
Value
Symbol
Parameter
VCC CL
(V) (pF)
tPLH tPHL Propagation Delay 2.7 15
Time
2.7 50
A, B, C to Y
3.3(*) 15
3.3(*) 50
tPLH tPHL Propagation Delay 2.7 15
Time
2.7 50
G1 to Y
3.3(*) 15
3.3(*) 50
tPLH tPHL Propagation Delay 2.7 15
Time
2.7 50
G2A or G2B to Y 3.3(*) 15
3.3(*) 50
tOSLH Output To Output
2.7 50
tOSHL
Skew Time (note1,
2)
3.3(*)
50
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
7.1 13.8 1.0 16.5 1.0 18.5
9.6 17.3 1.0 20.0 1.0 22.0
5.5 8.8 1.0 10.5 1.0 11.5 ns
8.0 12.3 1.0 14.0 1.0 15.0
8.7 16.3 1.0 19.5 1.0 205
11.2 19.8 1.0 23.0 1.0 25.0
6.8 10.6 1.0 12.5 1.0 13.5 ns
9.3 14.1 1.0 16.0 1.0 17.0
8.8 16.0 1.0 18.5 1.0 19.5
11.3 19.5 1.0 22.0 1.0 23.0
6.9 10.4 1.0 11.5 1.0 13.5 ns
9.4 13.9 1.0 15.0 1.0 17.0
0.5 1.0
1.5
1.5
0.5 1.0
1.5
1.5 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
2) Parameter guaranteed by design
(*) Voltage range is 3.3V ± 0.3V
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