74LVC157A Philips, 74LVC157A Datasheet - Page 3

• Manufacturer Part Number: 74LVC157A
• Description: Quad 2-input multiplexer
• Manufacturer: Philips

Philips Semiconductors
LOGIC SYMBOL
LOGIC SYMBOL (IEEE/IEC)
1998 Jul 29
Quad 2-input multiplexer
1
15
15
10
14
13
11
1
2
3
5
6
S
E
1I 0
2
1I 1
3
G1
EN
1
1
2I 0
1Y
5
4
MUX
2I 1
2Y
6
7
3I 0
11
3Y
9
10
3I 1
12
4Y
SV00565
14
4I 0
12
4
7
9
SV00564
13
4I 1
3
FUNCTIONAL DIAGRAM
FUNCTION TABLE
NOTES:
H = HIGH voltage level
L = LOW voltage level
X = don’t care
LOGIC DIAGRAM
11
10
14
13
H
E
L
L
L
L
1I
2I
3I
4I
2
3
5
6
1I
2I
3I
4I
S
E
0
0
0
0
1
1
1
1
1I 0
1I 1
2I 0
2I 1
3I 0
3I 1
4I 0
4I 1
S
X
H
H
L
L
SELECTOR
INPUTS
S
1
nl
X
H
X
X
L
0
MULTIPLEXER
OUTPUTS
74LVC157A
nl
E
15
X
X
X
H
L
Product specification
1
SV00581
SV00566
1Y
2Y
3Y
4Y
OUTPUTS
1Y
2Y
3Y
4Y
nY
12
H
H
L
L
L
4
7
9