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CD74HCT139 Datasheet(PDF) 2 Page - Harris Corporation

Part No. CD74HCT139
Description  High Speed CMOS Logic Dual 2-to-4 Line Decoder/Demultiplexer
Download  5 Pages
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Maker  HARRIS [Harris Corporation]
Homepage  http://www.harris.com
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CD74HCT139 Datasheet(HTML) 2 Page - Harris Corporation

   
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2
Functional Diagram
Logic Diagram
TRUTH TABLE
INPUTS ENABLE SELECT
OUTPUTS
EA1
A0
Y3
Y2
Y1
Y0
0001110
0011101
0101011
0110111
1
X
X
1
111
NOTE: X = Don’t Care, Logic 1 = High, Logic 0 = Low
A0
2 (14)
3 (13)
4 (12)
Y3
Y0
A1
1 (15)
E
5 (11)
6 (10)
7 (9)
Y1
Y2
4 (12)
5 (11)
Y0
Y1
6 (10)
Y2
7 (9)
Y3
2 (14)
A0
3 (13)
A1
1 (15)
E
CD74HC139, CD74HCT139


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