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參數資料
型號: 74LVX157TTR
廠商: 意法半導體
英文描述: LOW VOLTAGE QUAD 2 CHANNEL MULTIPLEXER WITH 5V TOLERANT INPUTS
中文描述: 低電壓四2通道5V容限輸入復用器
文件頁數: 4/9頁
文件大小: 197K
代理商: 74LVX157TTR
74LVX157
4/9
AC ELECTRICAL CHARACTERISTICS
(Input t
r
= t
f
= 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
CAPACITIVE CHARACTERISTICS
1) C
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. I
CC(opr)
= C
PD
x V
CC
x f
IN
+ I
CC
/n (per circuit)
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
C
L
(pF)
T
A
= 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
t
PLH
t
PHL
Propagation Delay
Time
(A, B - Y)
2.7
2.7
3.3
(*)
3.3
(*)
2.7
2.7
3.3
(*)
3.3
(*)
2.7
2.7
3.3
(*)
3.3
(*)
2.7
3.3
(*)
15
50
15
6.6
9.1
5.1
12.5
16.0
7.9
1.0
1.0
1.0
15.5
19.0
9.5
1.0
1.0
1.0
16.5
20.0
11.0
ns
50
15
50
15
7.6
8.9
11.4
7.0
11.4
16.9
20.4
11.0
1.0
1.0
1.0
1.0
13.0
20.5
24.0
13.0
1.0
1.0
1.0
1.0
14.0
21.5
26.0
14.0
t
PLH
t
PHL
Propagation Delay
Time
(SELECT - Y)
ns
50
15
50
15
9.5
9.1
11.6
7.2
14.5
17.6
21.1
11.5
1.0
1.0
1.0
1.0
16.5
20.5
20.4
13.5
1.0
1.0
1.0
1.0
17.5
21.5
21.4
14.5
t
PLH
t
PHL
Propagation Delay
Time
(STROBE - Y)
ns
50
50
9.7
0.5
0.5
15.0
1.0
1.0
1.0
17.0
1.5
1.5
1.0
18.0
1.5
1.5
t
OSLH
t
OSHL
Output To Output
Skew Time (note1,
2)
ns
50
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
T
A
= 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
C
IN
C
PD
Input Capacitance
Power Dissipation
Capacitance
(note 1)
3.3
4
10
10
pF
3.3
f
IN
= 10MHz
20
pF
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