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CD74HC157 Datasheet(PDF) 3 Page - Texas Instruments

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Part No. CD74HC157
Description  High Speed CMOS Logic Quad 2-Input Multiplexers
Download  8 Pages
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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CD74HC157 Datasheet(HTML) 3 Page - Texas Instruments

   
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3
Functional Diagram
TRUTH TABLE
ENABLE
SELECT
INPUT
DATA INPUTS
OUTPUT
157
158
E
S
I0
I1
Y
Y
HX
X
X
L
H
LLL
X
L
H
L
L
HXH
L
LH
X
L
LH
L
HXH
H
L
NOTE: H = High Voltage Level, L = Low Voltage Level, X = Don’t Care
2
3
5
6
10
13
14
11
4
7
12
9
4Y
3Y
2Y
1Y
1Y
4Y
3Y
2Y
HC/HCT
157
HC/HCT
158
1I0
1I1
2I0
2I1
3I0
3I1
4I0
4I1
S
E
115
CD74HC157, CD74HCT157, CD74HC158, CD74HCT158


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