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Unisonic Technologies |
UNISONIC TECHNOLOGIES CO., LTD
U74AHC157
QUADRUPLE 2-LINE TO 1-LINE
DATA SELECTORS /
MULTIPLEXERS
DESCRIPTION
The U74AHC157 is a quadruple 2-line to 1-line data
selector/multiplexer. When G is high all outputs are low. When G is
low a 4-bit word is selected from one of two sources and is routed to
the four outputs. The device provides true data.
FEATURES
* Wide supply voltage range from 2V to 5.5V
* Max tPD of 4.1ns from A or B to Y at 5V, CL=15pF
* Low power consumption, ICC = 4 μA (MAX) at 5.5V
* ±8 mA output driver at 5V
CMOS IC
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
U74AHC157L-P16-R
U74AHC157G-P16-R
U74AHC157L-P16-T
U74AHC157G-P16-T
Package
TSSOP-16
TSSOP-16
Packing
Tape Reel
Tube
www.unisonic.com.tw
Copyright © 2011 Unisonic Technologies Co., Ltd
1 of 6
QW-R502-626.A
U74AHC157
PIN CONFIGURATION
CMOS IC
FUNCTION TABLE
G
H
L
L
L
L
INPUTS
A/B
X
L
L
H
H
A
X
L
H
X
X
LOGIC DIAGRAM
B
X
X
X
L
H
OUTPUTS
Y
L
L
H
L
H
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 6
QW-R502-626.A
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