74AHC157BQ View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
View to exact match
74AHC157BQ Datasheet PDF : 16 Pages
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NXP Semiconductors
5.2 Pin description
Table 2. Pin description
Symbol
Pin
S
1
1I0 to 4I0
2, 5, 11, 14
1I1 to 4I1
3, 6, 10, 13
1Y to 4Y
4, 7, 9, 12
GND
8
E
15
VCC
16
Description
common data select input
data inputs from source 0
data inputs from source 1
multiplexer outputs
ground (0 V)
enable input (active LOW)
supply voltage
6. Functional description
Table 3. Function table[1]
Input
E
S
nI0
H
X
X
L
L
L
L
L
H
L
H
X
L
H
X
[1] H = HIGH voltage level;
L = LOW voltage level;
X = don’t care.
74AHC157; 74AHCT157
Quad 2-input multiplexer
Output
nI1
nY
X
L
X
L
X
H
L
L
H
H
74AHC_AHCT157_2
Product data sheet
Rev. 02 — 9 November 2007
© NXP B.V. 2007. All rights reserved.
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