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74LVQ157 Datasheet(PDF) 2 Page - STMicroelectronics

Part No. 74LVQ157
Description  LOW VOLTAGE QUAD 2 CHANNEL MULTIPLEXER
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

74LVQ157 Datasheet(HTML) 2 Page - STMicroelectronics

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INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
INPUT
OUT PUT
STROBE
SELE CT
A
B
Y
H
X
XXL
LLLX
L
LL
H
X
H
LH
X
L
L
LH
X
H
H
X:”H” or ”L”
ABSOLUTE MAXIMUM RATING
Symbol
Parameter
Val ue
Unit
VCC
Supply Voltage
-0.5 to +7
V
VI
DC Input Voltage
-0.5 to VCC +0.5
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
± 50
mA
ICC orIGND
DC VCC or Ground Current
± 200
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 (note 1)
2 to 3.6
V
VI
Input Voltage
0 to VCC
V
VO
Output Voltage
0 to VCC
V
Top
Operating Temperature:
-40 to +85
oC
dt/dv
Input Rise and Fall Time (VCC = 3V) (note 2)
0 to 10
ns/V
1) Truth Table guaranteed: 1.2V to 3.6V
2) VIN from 0.8V to 2V
PIN DESCRIPTION
PIN No
SYMBOL
NAME AND FUNCT ION
1
SELECT
Common Data Select Input
2, 5, 11, 14
1A to 4A
Data Inputs From
Source A
3, 6, 10, 13
1B to 4B
Data Inputs From
Source B
4, 7,9, 12
1Y to 4Y
Multiplexer Outputs
15
STROBE
Strobe Input
8
GND
Ground (0V)
16
VCC
Positive Supply Voltage
74LVQ157
2/8


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