74LV157 데이터 시트보기 (PDF) - Philips Electronics
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74LV157 Datasheet PDF : 12 Pages
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Philips Semiconductors
Quad 2-input multiplexer
PIN CONFIGURATION
S1
1I 0 2
1I 1 3
1Y 4
2I 0 5
2I 1 6
2Y 7
GND 8
16 VCC
15 E
14 4I 0
13 4I 1
12 4Y
11 3I 0
10 3I 1
9 3Y
SV00563
PIN DESCRIPTION
PIN
NUMBER
SYMBOL
1
S
2, 5, 11, 14
3, 6, 10, 13
4, 7, 9, 12
1l0 to 4l0
1l1 to 4l1
1Y to 4Y
8
GND
15
E
16
VCC
FUNCTION
Common data select input
Data inputs from source 0
Data inputs from source 1
Multiplexer outputs
Ground (0 V)
Enable inputs (active LOW)
Positive supply voltage
LOGIC SYMBOL (IEEE/IEC)
1
G1
15
EN
2
1
MUX
3
1
5
6
11
10
14
13
4
7
9
12
SV00565
Product specification
74LV157
LOGIC SYMBOL
2 3 5 6 11 10 14 13
1I0 1I1 2I0 2I1 3I0 3I1 4I0 4I1
1
S
15
E
1Y 2Y 3Y 4Y
4 7 9 12
SV00564
FUNCTIONAL DIAGRAM
2 1I 0
3 1I 1
5 2I 0
6 2I 1
11 3I 0
10 3I 1
14 4I 0
13 4I 1
SELECTOR
S
1
1Y 4
2Y 7
MULTIPLEXER
OUTPUTS
3Y 9
4Y 12
E
15
SV00566
1998 Apr 30
3
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