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74LVX157 Datasheet(PDF) 4 Page - STMicroelectronics

Part No. 74LVX157
Description  LOW VOLTAGE QUAD 2 CHANNEL MULTIPLEXER WITH 5V TOLERANT INPUTS
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

74LVX157 Datasheet(HTML) 4 Page - STMicroelectronics

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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
CAPACITIVE CHARACTERISTICS
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)
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 - Y)
2.7
15
6.6
12.5
1.0
15.5
1.0
16.5
ns
2.7
50
9.1
16.0
1.0
19.0
1.0
20.0
3.3(*)
15
5.1
7.9
1.0
9.5
1.0
11.0
3.3(*)
50
7.6
11.4
1.0
13.0
1.0
14.0
tPLH tPHL Propagation Delay
Time
(SELECT - Y)
2.7
15
8.9
16.9
1.0
20.5
1.0
21.5
ns
2.7
50
11.4
20.4
1.0
24.0
1.0
26.0
3.3(*)
15
7.0
11.0
1.0
13.0
1.0
14.0
3.3(*)
50
9.5
14.5
1.0
16.5
1.0
17.5
tPLH tPHL Propagation Delay
Time
(STROBE - Y)
2.7
15
9.1
17.6
1.0
20.5
1.0
21.5
ns
2.7
50
11.6
21.1
1.0
20.4
1.0
21.4
3.3(*)
15
7.2
11.5
1.0
13.5
1.0
14.5
3.3(*)
50
9.7
15.0
1.0
17.0
1.0
18.0
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
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.
CIN
Input Capacitance
3.3
4
10
10
pF
CPD
Power Dissipation
Capacitance
(note 1)
3.3
fIN = 10MHz
20
pF


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