74AHC157 데이터 시트보기 (PDF) - Philips Electronics
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74AHC157 Datasheet PDF : 16 Pages
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Philips Semiconductors
Quad 2-input multiplexer
Product specification
74AHC157;
74AHCT157
handbook, halfpage
S1
1I0 2
1I1 3
1Y 4
2I0 5
2I1 6
2Y 7
GND 8
16 VCC
15 E
14 4I0
13 4I1
157
12 4Y
11 3I0
10 3I1
9 3Y
MNA480
Fig.1 Pin configuration.
handbook, halfpage 2 3 5 6 11 10 14 13
1I0 1I1 2I0 2I1 3I0 3I1 4I0 4I1
1S
15 E
1Y
2Y
3Y
4Y
4
7
9
12
MNA481
Fig.2 Logic symbol.
handbook, halfpage
1
G1
15 EN
2
1 MUX
4
3
1
5
7
6
11
9
10
14
12
13
MNA482
Fig.3 IEC logic symbol.
1999 Sep 24
handbook, halfpage
2 1I0
3 1I1
5 2I0
6 2I1
11 3I0
10 3I1
14 4I0
13 4I1
SELECTOR
S
1
1Y 4
2Y 7
MULTIPLEXER
OUTPUTS
3Y 9
4Y 12
E
15
MNA483
Fig.4 Functional diagram.
4
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