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5'7
table
Input
Select
Enable
B
A
G
x
H
x
L
L
L
I-
H
L
L
L
H
H
L
H_
X--~"H"
Acceptable
t a . b l ‹
5_6
I
I 1 1 D l . 1 t
Select
Enablg
_
of
c
B
A
Y,
Y,
G,
XIH
x
H
x
H
x
X
x
H
L
x
x
H
IHJH
L
L
L
H
L
L
HTL
L
L
H
H
L
L
H
L
H
HIL
L
IH
H
L
H
H
H
H
L
1
H
L
L
H
H
L
Hl
HITTHIITIH
L
H
L
H
H
L
H
H
H
H
L
H
H
H
H
HIH
lG,=Gu
+
Gm
Acceptable
: H "
X
HDNESISIP
(I
of
8Data
Selector/Multiplexer
(with
inpult'
Dafa*
(sv)
I
VCCQSSTABC
B
B
IS
I4
I2
D4
Ds
Dc
Dr
D:
D2
Du
99
Y
___
1
2
3
4
5
3
2
I
o
Y
ww
input
output
table
5
Output
Y.I
I
Y,
Y,
Y,
I
I
H
H
H
H
I
I
I
H
H
L
H
I
I
I
I
H
H
L
H
I
I
I
H
L
H
H
I
I
I
_I
L
H
H
H
both
"L
"H"
and
Output
Y,IY.
Y.
Y.
Y.
Y,
HIH
H
H
H
H
H
H
H
H
H
H
HI
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
L
H
H
H
H
H
L
H
H
H
H
I
I
H
H
H
L
H
IH
H
H
H
H
L
both
"H"
ll
and
"L
Strobe))
DutoASelect1
Wg
| I
so
A
3
C
W
5
'
s
7
3
sr}ooe
w
GND
The
I/O
relationship
5-32
consists
data
of
The
strobe
input
pins,
low,
select
input
one
transmit
the
data
to
strobe
is
input
H,
becomes
(Table
L.
5-8).
table
5-7
is
per
selector/multiplexer.
when
from
8
data
input,
and
output
W
Y.
is
W
H
and
output
output
the:
When
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