74AC158M Просмотр технического описания (PDF) - STMicroelectronics
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74AC158M Datasheet PDF : 9 Pages
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74AC158
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
ST ROB E
H
L
L
L
L
INPUT
SELECT
A
X
X
L
L
L
H
H
X
H
X
O UTP UT
B
Y
X
H
X
H
X
L
L
H
H
L
LOGIC DIAGRAM
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