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CD74HC253 Datasheet(PDF) 2 Page - Texas Instruments

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Part No. CD74HC253
Description  High Speed CMOS Logic Dual 4-Input Multiplexer
Download  7 Pages
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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CD74HC253 Datasheet(HTML) 2 Page - Texas Instruments

   
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Functional DiagramS
TRUTH TABLE
SELECT INPUTS
DATA INPUTS
OUTPUT
ENABLE
OUTPUT
S1
S0
I0
I1
I2
I3
OE
Y
XXXXXX
HZ
LLL
X
X
X
LL
L
L
H
XXX
L
H
LH
X
L
X
X
L
L
L
HXHX
X
L
H
HL
X
X
L
X
L
L
H
L
X
XHX
L
H
H
H
XXX
L
L
L
H
H
XXX
H
L
H
NOTE:
Select inputs S1 and S0 are common to both sections.
H = High Voltage Level, L = Low Voltage Level, X = Don’t Care, Z = High Impedance (Off).
2OE
2I3
2I2
2I1
2I0
S0
S1
1I0
1I1
1I2
1I3
1OE
15
13
12
11
10
14
2
6
5
4
3
1
2OE
2OE
1OE
1OE
PN
P
N
2OE
2OE
9
2Y
1OE
1OE
7
1Y
16
8
VCC
GND
CD74HC253, CD74HCT253


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