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74LVX238 датащи(PDF) 4 Page - STMicroelectronics

номер детали 74LVX238
подробное описание детали  LOW VOLTAGE CMOS 3 TO 8 LINE DECODER WITH 5V TOLERANT INPUTS
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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Table 7: Dynamic Switching Characteristics
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)
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
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
VOLP
Dynamic Low
Voltage Quiet
Output (note 1, 2)
3.3
CL = 50 pF
0.3
0.5
V
VOLV
-0.5
-0.3
VIHD
Dynamic High
Voltage Input (note
1, 3)
3.3
2
VILD
Dynamic Low
Voltage Input (note
1, 3)
3.3
0.8
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
CL
(pF)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tPLH tPHL Propagation Delay
Time
A, B, C to Y
2.7
15
7.1
13.8
1.0
16.5
1.0
18.5
ns
2.7
50
9.6
17.3
1.0
20.0
1.0
22.0
3.3(*)
15
5.5
8.8
1.0
10.5
1.0
11.5
3.3(*)
50
8.0
12.3
1.0
14.0
1.0
15.0
tPLH tPHL Propagation Delay
Time
G1 to Y
2.7
15
8.7
16.3
1.0
19.5
1.0
205
ns
2.7
50
11.2
19.8
1.0
23.0
1.0
25.0
3.3(*)
15
6.8
10.6
1.0
12.5
1.0
13.5
3.3(*)
50
9.3
14.1
1.0
16.0
1.0
17.0
tPLH tPHL Propagation Delay
Time
G2A or G2B to Y
2.7
15
8.8
16.0
1.0
18.5
1.0
19.5
ns
2.7
50
11.3
19.5
1.0
22.0
1.0
23.0
3.3(*)
15
6.9
10.4
1.0
11.5
1.0
13.5
3.3(*)
50
9.4
13.9
1.0
15.0
1.0
17.0
tOSLH
tOSHL
Output To Output
Skew Time (note1,
2)
2.7
50
0.5
1.0
1.5
1.5
ns
3.3(*)
50
0.5
1.0
1.5
1.5


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