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74VHC157 Datasheet(PDF) 3 Page - STMicroelectronics

Part No. 74VHC157
Description  QUAD 2 CHANNEL MULTIPLEXER
Download  9 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

74VHC157 Datasheet(HTML) 3 Page - STMicroelectronics

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ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Val ue
Unit
VCC
Supply Voltage
-0.5 to +7.0
V
VI
DC Input Voltage
-0.5 to +7.0
V
VO
DC Output Voltage
-0.5 to VCC +0.5
V
IIK
DC Input Diode Current
- 20
mA
IOK
DC Output Diode Current
± 20
mA
IO
DC Output Current
± 25
mA
ICC orIGND
DC VCC or Ground Current
± 50
mA
Tstg
Storage Temperature
-65 to +150
oC
TL
Lead Temperature (10 sec)
300
oC
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Valu e
Uni t
VCC
Supply Voltage
2.0 to 5.5
V
VI
Input Voltage
0 to 5.5
V
VO
Output Voltage
0 to VCC
V
Top
Operating Temperature
-40 to +85
oC
dt/dv
Input Rise and Fall Time (see note 1) (VCC =3.3
± 0.3V)
(V CC =5.0
± 0.5V)
0to 100
0to 20
ns/V
ns/V
1) VIN from 30% to70%of VCC
DC SPECIFICATIONS
Symb ol
Parameter
T est Cond ition s
Val ue
Un it
VCC
(V)
TA =25
oC
-40 to 85
oC
Min.
Typ .
Max.
Min .
Max.
VIH
High Level Input
Voltage
2.0
1.5
1.5
V
3.0 to 5.5
0.7VCC
0.7VCC
VIL
Low Level Input
Voltage
2.0
0.5
0.5
V
3.0 to 5.5
0.3VCC
0.3VCC
VOH
High Level Output
Voltage
2.0
IO=-50
µA1.9
2.0
1.9
V
3.0
IO=-50
µA2.9
3.0
2.9
4.5
IO=-50
µA4.4
4.5
4.4
3.0
IO=-4 mA
2.58
2.48
4.5
IO=-8 mA
3.94
3.8
VOL
Low Level Output
Voltage
2.0
IO=50
µA
0.0
0.1
0.1
V
3.0
IO=50
µA
0.0
0.1
0.1
4.5
IO=50
µA
0.0
0.1
0.1
3.0
IO=4 mA
0.36
0.44
4.5
IO=8 mA
0.36
0.44
II
Input Leakage Current
0 to 5.5
VI =5.5Vor GND
±0.1
±1.0
µA
ICC
Quiescent Supply
Current
5.5
VI =VCC orGND
4
40
µA
74VHC157
3/9


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