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74VHC157 Datasheet(PDF) 4 Page - STMicroelectronics

Part # 74VHC157
Description  QUAD 2 CHANNEL MULTIPLEXER
Download  12 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

74VHC157 Datasheet(HTML) 4 Page - STMicroelectronics

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Table 6: DC Specifications
Table 7: AC Electrical Characteristics (Input tr = tf = 3ns)
(*) Voltage range is 3.3V
± 0.3V
(**) Voltage range is 5.0V
± 0.5V
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.
VIH
High Level Input
Voltage
2.0
1.5
1.5
1.5
V
3.0 to
5.5
0.7VCC
0.7VCC
0.7VCC
VIL
Low Level Input
Voltage
2.0
0.5
0.5
0.5
V
3.0 to
5.5
0.3VCC
0.3VCC
0.3VCC
VOH
High Level Output
Voltage
2.0
IO=-50 µA
1.9
2.0
1.9
1.9
V
3.0
IO=-50 µA
2.9
3.0
2.9
2.9
4.5
IO=-50 µA
4.4
4.5
4.4
4.4
3.0
IO=-4 mA
2.58
2.48
2.4
4.5
IO=-8 mA
3.94
3.8
3.7
VOL
Low Level Output
Voltage
2.0
IO=50 µA
0.0
0.1
0.1
0.1
V
3.0
IO=50 µA
0.0
0.1
0.1
0.1
4.5
IO=50 µA
0.0
0.1
0.1
0.1
3.0
IO=4 mA
0.36
0.44
0.55
4.5
IO=8 mA
0.36
0.44
0.55
II
Input Leakage
Current
0 to
5.5
VI = 5.5V or GND
± 0.1
± 1
± 1
µA
ICC
Quiescent Supply
Current
5.5
VI = VCC or GND
440
40
µA
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 to Y
3.3(*)
15
6.2
9.7
1.0
11.5
1.0
11.5
ns
3.3(*)
50
8.7
13.2
1.0
15.0
1.0
15.0
5.0(**)
15
4.1
6.4
1.0
7.5
1.0
7.5
5.0(**)
50
5.6
8.4
1.0
9.5
1.0
9.5
tPLH
tPHL
Propagation Delay
Time
SELECT to Y
3.3(*)
15
8.4
13.2
1.0
15.5
1.0
15.5
ns
3.3(*)
50
10.9
16.7
1.0
19.0
1.0
19.0
5.0(**)
15
5.3
8.1
1.0
9.5
1.0
9.5
5.0(**)
50
6.8
10.1
1.0
11.5
1.0
11.5
tPLH
tPHL
Propagation Delay
Time STROBE to Y
3.3(*)
15
8.7
13.6
1.0
16.0
1.0
16.0
ns
3.3(*)
50
11.2
17.1
1.0
19.5
1.0
19.5
5.0(**)
15
5.6
8.6
1.0
10.0
1.0
10.0
5.0(**)
50
7.1
10.6
1.0
12.0
1.0
12.0


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