74LVQ158 查看數據表（PDF） - STMicroelectronics
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74LVQ158 Datasheet PDF : 9 Pages
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74LVQ158
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
1
2, 5, 11, 14
3, 6, 10, 13
4, 7, 9, 12
15
8
16
SYMBOL
SELECT
1A to 4A
1B to 4B
1Y to 4Y
STROBE
GND
VCC
NAME AND FUNCTION
Common Data Select
Input
Data Inputs From Source
A
Data Inputs From Source
B
Multiplexer Outputs
Strobe Input
Ground (0V)
Positive Supply Voltage
TRUTH TABLE
STROBE
H
L
L
L
L
X : Don’t Care
LOGIC DIAGRAM
INPUTS
SELECT
A
X
X
L
L
L
H
H
X
H
X
OUTPUT
B
Y
X
H
X
H
X
L
L
H
H
L
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