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CD54HC20 Datasheet(PDF) 2 Page - Texas Instruments

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Part No. CD54HC20
Description  High-Speed CMOS Logic Dual 4-Input NAND Gate
Download  9 Pages
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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CD54HC20 Datasheet(HTML) 2 Page - Texas Instruments

   
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2
Functional Diagram
HC Logic Symbol
HCT Logic Symbol
TRUTH TABLE
INPUTS
OUTPUT
nA
nB
nC
nD
nY
LX
X
X
H
XLX
X
H
XX
L
X
H
XXX
L
H
HHHH
L
H = High Voltage Level, L = Low Voltage Level, X = Irrelevant
1A
NC
1D
1Y
1
3
4
5
7
1C
GND
1B
2
6
14
12
11
10
8
13
9
VCC
2C
2B
2A
NC
2Y
2D
nA
nB
nY
nC
nD
nA
nB
nY
nC
nD
CD54HC20, CD74HC20, CD54HCT20, CD74HCT20


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