74LVX238MTR(2001) Просмотр технического описания (PDF) - STMicroelectronics
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Компоненты Описание
производитель
74LVX238MTR
(Rev.:2001)
(Rev.:2001)
STMicroelectronics
74LVX238MTR Datasheet PDF : 9 Pages
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74LVX238
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
Voltage Quiet
3.3
VOLV Output (note 1, 2)
0.3 0.5
-0.5 -0.3
VIHD Dynamic High
3.3
2
Voltage Input (note
CL = 50 pF
V
1, 3)
VILD Dynamic Low
3.3
0.8
Voltage Input (note
1, 3)
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 (Input tr = tf = 3ns)
Test Condition
Value
Symbol
Parameter
VCC CL
(V) (pF)
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 15
Time
2.7 50
A, B, C to Y
3.3(*) 15
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
3.3(*) 50
8.0 12.3 1.0 14.0 1.0 15.0
tPLH tPHL Propagation Delay 2.7 15
Time
2.7 50
G1 to Y
3.3(*) 15
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
3.3(*) 50
9.3 14.1 1.0 16.0 1.0 17.0
tPLH tPHL Propagation Delay 2.7 15
Time
2.7 50
G2A or G2B to Y 3.3(*) 15
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
3.3(*) 50
9.4 13.9 1.0 15.0 1.0 17.0
tOSLH Output To Output
2.7 50
tOSHL
Skew Time (note1,
2)
3.3(*)
50
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
4/9
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