전자부품 반도체 검색엔진( 무료 PDF 다운로드 ) - 데이터시트뱅크
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TC74AC139P 데이터 시트보기 (PDF) - Toshiba
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TC74AC139P
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
Toshiba
TC74AC139P Datasheet PDF : 9 Pages
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8
9
IEC Logic Symbol
TC74AC139P/F/FN/FT
1A
(2)
1B
(3)
1G
(1)
2A
(14)
2B
(13)
2G
(15)
X/Y
1
2
EN
0
(4)
1Y0
1
(5)
1Y1
2
(6)
1Y2
3
(7)
1Y3
(12)
2Y0
(11)
2Y1
(10)
2Y2
(9)
2Y3
1A
(2)
1B
(3)
1G
(1)
DMUX
0
(4)
0
1
G0
3
1
(5)
2
(6)
3
(7)
1Y0
1Y1
1Y2
1Y3
2A
(14)
2B
(13)
2G
(15)
(12)
2Y0
(11)
2Y1
(10)
2Y2
(9)
2Y3
Truth Table
Inputs
Enable
Select
G
B
A
H
X
X
L
L
L
L
L
H
L
H
L
L
H
H
X: Don’t care
Outputs
Y0
Y1 Y2
Y3
H
H
H
H
L
H
H
H
H
L
H
H
H
H
L
H
H
H
H
L
Selected
Output
None
Y0
Y1
Y2
Y3
System Diagram
2/14
A
3/13
B
1/15
G
4/12
Y0
5/11
Y1
6/10
Y2
7/9
Y3
2
2007-10-01
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