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p
ath
d
e
la
y
r
ed
u
ctio
n
o
f
1
8
% c
o
m
p
ar
ed
to
th
e
b
est o
f
th
e
p
r
ev
io
u
s
a
p
p
r
o
ac
h
es.
A
n
o
v
el
tech
n
iq
u
e
f
o
r
m
u
l
ti b
it a
d
d
itio
n
u
s
in
g
f
la
g
b
it g
en
er
at
io
n
w
a
s
p
r
o
p
o
s
ed
b
y
Vib
h
u
ti Da
v
e
et
al.
[
6
]
.
Yu
p
an
g
et
al.
[7
]
p
r
o
p
o
s
ed
a
n
o
v
el
ca
r
r
y
s
k
ip
d
esi
g
n
f
o
r
r
ed
u
cin
g
d
ela
y
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n
a
d
d
itio
n
d
u
e
ca
r
r
y
p
r
o
p
ag
atio
n
.
Yu
p
a
n
g
d
esi
g
n
r
ev
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b
etter
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ed
u
ctio
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i
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e
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er
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y
d
is
s
ip
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d
u
e
to
u
s
e
o
f
r
ev
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s
ib
le
lo
g
ic.
A
4
b
it
C
SK
ad
d
er
w
as
d
esi
g
n
ed
u
s
in
g
4
*
4
r
ev
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s
ib
le
T
SG
&
Fre
d
k
i
n
g
ate
b
y
C
h
i
w
an
d
e
an
d
Dak
h
o
le
[8
].
T
h
e
p
r
o
p
o
s
ed
ad
d
er
in
[
8
]
d
e
m
o
n
s
tr
ated
b
etter
r
ed
u
ctio
n
in
p
o
w
er
d
is
s
ip
atio
n
c
o
m
p
ar
ed
to
ex
is
t
in
g
f
o
u
r
b
it
C
SK
As.
C
S
L
A
is
p
r
e
f
er
r
ed
in
D
ig
i
tal
s
i
g
n
al
p
r
o
ce
s
s
o
r
s
a
n
d
ap
p
licatio
n
s
p
ec
i
f
ic
I
C
s
d
esi
g
n
ed
t
o
ex
ec
u
te
d
ed
icate
d
alg
o
r
ith
m
s
s
u
c
h
a
s
co
n
v
o
lu
t
io
n
,
co
r
r
elatio
n
a
n
d
f
ilter
in
g
to
alle
v
iate
t
h
e
p
r
o
b
lem
o
f
ca
r
r
y
p
r
o
p
ag
atio
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d
elay
i
n
a
d
d
itio
n
[9
]
.
Ho
w
ev
er
,
t
h
e
h
ar
d
w
ar
e
co
m
p
le
x
it
y
o
f
C
S
L
A
is
h
i
g
h
d
u
e
to
u
s
e
o
f
p
air
o
f
R
C
As
to
g
en
er
ate
p
ar
tial
s
u
m
a
n
d
ca
r
r
y
co
r
r
esp
o
n
d
in
g
to
ca
r
r
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in
p
u
t
1
an
d
0
.
T
h
en
t
h
e
f
i
n
al
s
u
m
a
n
d
ca
r
r
y
ar
e
s
elec
ted
f
r
o
m
t
h
e
p
ar
tial r
esu
lt
s
b
y
u
s
i
n
g
m
u
ltip
le
x
er
s
(
m
u
x
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[
1
0
]
.
Ho
w
ev
er
,
R
a
m
k
u
m
a
r
an
d
Kittu
r
[
1
1
]
in
a
n
o
v
el
ap
p
r
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ac
h
p
r
o
p
o
s
ed
a
C
S
L
A
u
s
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g
B
in
ar
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s
-
1
C
o
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ter
(
B
E
C
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in
s
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f
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C
A
f
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r
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s
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e
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lem
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g
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h
ar
d
w
ar
e
co
m
p
le
x
it
y
.
T
h
e
p
r
o
p
o
s
ed
ad
d
er
in
[
1
1
]
r
ev
ea
led
lo
w
er
a
r
ea
an
d
r
ed
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ce
d
p
o
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e
r
d
is
s
ip
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n
d
u
e
to
m
in
i
m
al
s
w
itc
h
in
g
.
T
o
f
u
r
t
h
er
r
ed
u
ce
ar
ea
an
d
laten
c
y
i
n
C
S
L
A
ad
d
itio
n
w
e
h
av
e
p
r
o
p
o
s
ed
an
in
cr
e
m
en
t
1
b
lo
ck
f
o
r
s
ec
o
n
d
s
tag
e
ad
d
itio
n
.
T
h
e
n
o
v
elt
y
o
f
th
e
in
cr
e
m
e
n
t 1
b
lo
ck
is
t
h
at
it r
ed
u
ce
s
ar
ea
an
d
d
ela
y
s
ig
n
i
f
ic
a
n
t
l
y
.
T
h
e
r
est
o
f
th
e
p
ap
e
r
is
o
r
g
an
ized
as
f
o
llo
w
s
.
Sectio
n
2
g
iv
es
an
o
v
er
v
ie
w
o
f
ca
r
r
y
s
elec
t
ad
d
itio
n
.
Sectio
n
3
d
is
c
u
s
s
es
ab
o
u
t
t
h
e
d
esig
n
o
f
p
r
o
p
o
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h
ar
d
w
ar
e
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f
icien
t
C
S
L
A
.
I
n
s
ec
tio
n
4
t
h
e
p
er
f
o
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a
n
ce
o
f
th
e
p
r
o
p
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d
esig
n
ar
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d
is
cu
s
s
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d
co
m
p
ar
ed
w
it
h
t
h
e
p
r
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u
s
ap
p
r
o
ac
h
es.
Sectio
n
5
g
iv
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b
r
ief
co
n
clu
s
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n
o
f
t
h
e
w
o
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k
d
o
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e.
2.
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VE
RVI
E
W
O
F
CARR
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L
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C
T
ADDI
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I
O
N
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ased
o
n
th
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r
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elec
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itio
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p
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o
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o
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th
e
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s
e
o
f
1
6
b
it
in
p
u
t,
t
h
e
in
p
u
t
b
its
(A
15
-
0
&
B
15
-
0
)
ca
n
b
e
g
r
o
u
p
e
d
in
t
o
f
o
u
r
p
air
s
o
f
4
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its
(
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15
-
12
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11
-
8
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7
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3
-
0
an
d
B
15
-
12
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11
-
8
,
B
7
-
4
,
B
3
-
0
)
.
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h
e
co
r
r
esp
o
n
d
in
g
m
o
s
t
s
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g
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i
f
ica
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t
a
n
d
least
s
i
g
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i
f
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ig
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g
r
o
u
p
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its
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ca
n
b
e
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ed
in
p
ar
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s
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ar
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4
b
it
R
C
A
w
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th
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ca
r
r
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in
p
u
t
as
ze
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o
r
f
ir
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t
s
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e
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1
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o
r
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o
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d
s
tag
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h
e
s
u
m
o
u
tp
u
t
s
f
r
o
m
p
air
o
f
ad
d
er
ce
lls
at
th
e
co
r
r
esp
o
n
d
in
g
b
it
p
o
s
it
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n
ar
e
ad
d
er
b
y
o
n
e.
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h
e
v
ar
io
u
s
b
lo
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s
o
f
th
e
p
r
o
p
o
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ed
h
ar
d
w
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f
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t
C
S
L
A
ar
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ir
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t
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g
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R
C
A,
I
n
cr
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1
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d
2
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p
ass
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r
o
u
g
h
2
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m
u
x
,
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it
h
th
e
s
elec
t
s
ig
n
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f
o
r
th
e
m
u
x
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ein
g
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ca
r
r
y
o
u
t
o
f
th
e
m
o
s
t
s
i
g
n
if
ican
t
ad
d
er
in
p
r
ev
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u
s
g
r
o
u
p
.
T
h
u
s
,
t
h
e
to
tal
d
ela
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f
o
r
a
1
6
b
it
ad
d
itio
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i
n
C
S
L
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i
s
4
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ar
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y
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n
d
4
m
u
x
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ela
y
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th
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s
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l
ittl
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n
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ar
d
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Ho
w
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v
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r
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o
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e
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m
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T
h
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s
c
h
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m
atic
o
f
t
h
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C
S
L
A
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is
s
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g
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r
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1
.
Fig
u
r
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1
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9
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S
V
o
l.
7
,
No
.
1
,
Ma
r
et
2
0
1
8
:
43
–
47
46
4.
AREA AN
D
D
E
L
AY
E
VAL
UATI
O
N
M
E
T
H
O
DO
L
O
G
Y
O
F
P
RO
P
O
SE
D
CSL
A
T
o
ev
alu
ate
th
e
ar
ea
a
n
d
d
elay
o
f
t
h
e
p
r
o
p
o
s
ed
h
ar
d
w
ar
e
ef
f
icie
n
t
C
S
L
A
,
w
e
u
s
ed
B
E
C
-
C
S
L
A
[
1
1
]
an
d
C
o
n
v
en
tio
n
al
d
esi
g
n
s
[
10
]
f
o
r
co
m
p
ar
is
o
n
.
T
h
e
ar
ea
an
d
d
elay
e
v
al
u
atio
n
o
f
th
e
p
r
o
p
o
s
ed
an
d
co
n
v
e
n
tio
n
al
d
esi
g
n
s
ar
e
d
o
n
e
b
ased
o
n
th
e
N
A
ND
eq
u
i
v
alen
t
i
m
p
le
m
e
n
tatio
n
o
f
t
h
e
b
asic
ele
m
en
t
s
t
h
at
m
ak
e
u
p
th
e
p
r
o
p
o
s
ed
an
d
co
n
v
e
n
tio
n
al
d
es
ig
n
s
.
T
h
e
NAND
i
m
p
le
m
e
n
tatio
n
o
f
b
asic
ele
m
e
n
t
s
v
iz.
,
Fu
ll
A
d
d
er
(
FA
)
,
NOT
,
A
ND
an
d
OR
g
ate
s
u
s
ed
in
t
h
e
p
r
o
p
o
s
ed
an
d
co
n
v
en
tio
n
al
B
C
D
ad
d
er
d
esig
n
s
ar
e
s
h
o
w
n
i
n
Fi
g
u
r
e
4
.
T
o
ca
lcu
late
th
e
ar
ea
co
u
n
t
an
d
cr
itical
d
elay
o
f
t
h
e
p
r
o
p
o
s
ed
C
SLA
an
d
p
r
ev
io
u
s
C
S
L
A
d
esig
n
s
w
e
as
s
u
m
e
t
h
e
d
ela
y
o
f
N
A
N
D
g
ate
to
b
e
1
u
n
it
an
d
ar
ea
eq
u
al
to
1
co
u
n
t.
T
h
e
g
ates
in
p
ar
allel
b
et
w
ee
n
d
o
tted
li
n
es
p
er
f
o
r
m
p
ar
allel
o
p
er
atio
n
an
d
w
e
u
s
e
o
n
l
y
o
n
e
g
ate
d
ela
y
i
n
ca
s
e
o
f
p
ar
allel
g
ates
f
o
r
ca
lcu
latio
n
o
f
w
o
r
s
t
ca
s
e
d
el
a
y
o
f
c
ir
cu
it
/ele
m
e
n
t.
B
ased
o
n
th
e
ab
o
v
e
ap
p
r
o
ac
h
,
th
e
w
o
r
s
t
ca
s
e
d
ela
y
i
s
f
o
u
n
d
b
y
co
u
n
tin
g
th
e
n
u
m
b
e
r
o
f
N
A
N
D
g
ates
in
t
h
e
cr
itic
al
p
ath
a
n
d
t
h
e
ar
ea
i
s
e
v
al
u
at
ed
b
y
co
u
n
ti
n
g
t
h
e
to
tal
n
u
m
b
er
o
f
N
AND
g
ates
th
at
m
a
k
e
u
p
th
e
cir
cu
i
t.
T
h
e
ar
ea
an
d
d
ela
y
v
al
u
es
o
f
t
h
e
p
r
o
p
o
s
ed
C
SLA
a
n
d
p
r
ev
io
u
s
ap
p
r
o
ac
h
es
ar
e
s
h
o
w
n
i
n
T
ab
le
1
.
Fro
m
t
h
e
r
ep
o
r
ts
in
T
ab
le
1
,
it
is
s
ee
n
th
at
th
e
p
r
o
p
o
s
ed
C
S
L
A
d
esig
n
d
e
m
o
n
s
tr
ates s
ig
n
i
f
ica
n
t r
ed
u
ctio
n
i
n
ar
ea
an
d
d
ela
y
.
T
ab
le
1
.
A
r
ea
C
o
u
n
t (
i
n
N
A
N
D
eq
u
iv
ale
n
t)
an
d
Dela
y
o
f
t
h
e
P
r
o
p
o
s
ed
C
SLA
an
d
P
r
ev
io
u
s
A
p
p
r
o
ac
h
es
B
a
si
c
D
e
si
g
n
s
Pa
r
a
m
e
t
e
r
1
st
st
a
g
e
a
d
d
e
r
2
nd
s
t
a
g
e
a
d
d
e
r
/
A
d
d
1
c
i
rc
u
i
t
2
:
1
m
u
x
T
o
t
a
l
C
o
n
v
e
n
t
i
o
n
a
l
Are
a
48
48
20
1
1
6
D
e
l
a
y
12
12
3
27
C
S
L
A
-
B
EC
Are
a
48
19
20
87
D
e
l
a
y
12
7
3
22
Pro
p
o
s
e
d
Are
a
48
14
20
82
D
e
l
a
y
12
3
6
21
5
.
RE
SU
L
T
S AN
D
D
I
SCU
SS
I
O
N
T
h
e
p
r
o
p
o
s
ed
h
ar
d
w
ar
e
e
f
f
i
cien
t
C
S
L
A
a
n
d
d
esig
n
s
u
s
ed
f
o
r
co
m
p
ar
is
o
n
ar
e
d
escr
ib
ed
u
s
in
g
s
tr
u
ct
u
r
al
VH
D
L
to
p
r
o
d
u
ce
g
ate
lev
el
n
et
li
s
t
a
n
d
s
y
n
t
h
esiz
ed
u
s
i
n
g
A
l
ter
a
Q
u
ar
tu
s
I
I
w
it
h
E
P
2
C
3
5
F6
7
2
C
6
d
ev
ice.
T
h
e
ar
ea
,
d
ela
y
an
d
t
o
tal
p
o
w
er
d
is
s
ip
atio
n
r
es
u
lts
o
f
p
r
o
p
o
s
ed
C
S
L
A
an
d
p
r
ev
i
o
u
s
ap
p
r
o
ac
h
es
ar
e
s
h
o
w
n
in
T
ab
le
2
.
Fro
m
t
h
e
r
ep
o
r
ts
,
it
is
s
ee
n
t
h
at
t
h
e
p
r
o
p
o
s
ed
C
SLA
d
esi
g
n
h
a
s
lo
w
er
lo
g
ic
ce
ll
co
u
n
t
co
m
p
ar
ed
to
all
o
th
er
ar
c
h
ite
ctu
r
es
u
s
ed
f
o
r
co
m
p
ar
is
o
n
,
t
h
an
k
s
to
th
e
in
cr
e
m
en
t
1
b
lo
ck
w
h
ich
r
ea
lizes
co
n
s
ta
n
t
(
0
0
0
1
)
ad
d
itio
n
w
it
h
f
e
w
er
g
ates.
T
h
e
d
ela
y
o
f
t
h
e
p
r
o
p
o
s
ed
in
cr
e
m
e
n
t
1
-
C
S
L
A
d
esig
n
is
les
s
w
h
e
n
co
m
p
ar
ed
w
i
th
all
o
t
h
er
ad
d
er
d
esig
n
s
u
s
ed
f
o
r
co
m
p
ar
is
o
n
.
T
h
is
is
d
u
e
to
t
h
e
eli
m
i
n
at
io
n
o
f
d
ela
y
d
u
e
to
ca
r
r
y
p
r
o
p
ag
atio
n
i
n
s
ec
o
n
d
p
air
o
f
a
d
d
er
s
w
it
h
ca
r
r
y
i
n
p
u
t
1
.
Ho
w
e
v
er
,
th
e
p
r
o
p
o
s
ed
C
S
L
A
e
x
h
ib
it
litt
l
e
h
ig
h
er
to
tal
p
o
w
er
d
is
s
ip
atio
n
co
m
p
ar
ed
to
t
h
e
co
n
v
e
n
ti
o
n
al
d
esi
g
n
.
T
h
e
b
etter
d
ela
y
p
er
f
o
r
m
a
n
ce
o
f
th
e
p
r
o
p
o
s
ed
C
SLA
r
ev
ea
ls
th
e
b
est
A
r
ea
–
Dela
y
P
r
o
d
u
ct
(
A
DP
)
an
d
P
o
w
er
-
De
la
y
P
r
o
d
u
ct(
P
D
P
)
p
er
f
o
r
m
a
n
ce
s
co
m
p
ar
ed
to
th
e
p
r
ev
io
u
s
ap
p
r
o
ac
h
es.
S4
i
=
~
S‟
4
i
(
1
)
S4
i +
1
=
S‟
4
i Θ
S‟
4
i +
1
(
2
)
S4
i +
2
=
~
S‟
4
i +
2
(
3
)
S4
i +
3
=
S‟
4
i +
2
Θ
S‟
4
i +
3
(
4
)
C
o
u
t
=
S
‟
4
i +
2
^
S‟
4
i +
3
(
5
)
Evaluation Warning : The document was created with Spire.PDF for Python.
I
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f H
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p
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d
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r
d
w
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fficien
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S
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47
T
ab
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2
.
C
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l
a
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s)
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o
t
a
l
p
o
w
e
r
d
i
ss
i
p
a
t
i
o
n
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mW
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A
D
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D
P
(
mW
-
n
s)
C
o
n
v
e
n
t
i
o
n
a
l
C
S
L
A
51
1
8
.
1
5
3
1
7
6
.
7
4
9
2
5
.
8
3
2
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8
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3
6
C
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w
i
t
h
B
EC
44
1
7
.
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9
1
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7
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5
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4
8
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4
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0
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8
7
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CO
NCLU
SI
O
N
A
n
o
v
el
ap
p
r
o
ac
h
f
o
r
th
e
d
esig
n
o
f
ca
r
r
y
s
elec
t
ad
d
er
w
h
ic
h
r
ed
u
ce
s
ar
ea
an
d
d
elay
s
i
g
n
if
ica
n
tl
y
i
s
p
r
o
p
o
s
ed
in
th
is
b
r
ief
.
E
x
te
n
s
i
v
e
co
m
p
ar
is
o
n
u
s
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n
g
s
y
n
th
esi
s
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l
ts
s
h
o
w
s
th
at
t
h
e
p
r
o
p
o
s
ed
C
SLA
o
u
tp
er
f
o
r
m
ed
all
o
th
er
p
r
ev
i
o
u
s
d
esi
g
n
s
in
ter
m
s
o
f
d
elay
an
d
ar
ea
r
ed
u
ctio
n
.
T
h
e
p
o
ten
tial
b
en
e
f
it
s
o
f
r
ed
u
ce
d
lo
g
ic
ce
ll
co
u
n
t
an
d
d
ela
y
o
f
t
h
e
p
r
o
p
o
s
ed
ca
r
r
y
s
el
ec
t
ad
d
er
r
ea
liz
es
an
ADP
an
d
P
D
P
r
e
d
u
ctio
n
o
f
2
3
.
7
%
an
d
7
.
4
%
r
esp
ec
tiv
el
y
co
m
p
ar
ed
to
th
e
co
n
v
e
n
tio
n
a
l
d
esig
n
a
n
d
5
.
6
%
an
d
1
.
2
%
co
m
p
ar
ed
to
B
E
C
-
C
S
L
A
.
T
h
e
p
r
o
p
o
s
ed
C
SLA
is
t
h
u
s
h
ar
d
w
ar
e
an
d
en
er
g
y
ef
f
ic
ien
t,
an
d
s
u
itab
le
f
o
r
p
o
r
ta
b
le
VL
SI
i
m
p
le
m
en
ta
tio
n
.
RE
F
E
R
E
NC
E
S
[1
]
Ka
n
tab
u
tra,
V
.
“
De
sig
n
in
g
o
p
t
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u
m
c
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1
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h
IEE
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y
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m
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ter
Arit
h
me
ti
c
,
1
9
9
1
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G
re
n
o
b
le
.
[2
]
M
in
Ch
a
an
d
S
w
a
rtzla
n
d
e
r,
E.
E.
“
M
o
d
if
ied
c
a
rry
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ip
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d
d
e
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u
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f
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Pro
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d
in
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d
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id
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Cir
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u
it
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n
d
S
y
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ms
,
2
0
0
0
.
[3
]
Yo
u
n
g
jo
o
n
Kim
a
nd
L
e
e
-
S
u
p
Kim
“
A
lo
w
p
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2
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,
2
0
0
1
.
IS
CA
S
2
0
0
1
,
S
y
d
n
e
y
,
NSW
.
[4
]
Da
tt
a
,
R.
A
b
ra
h
a
m
,
J.
A
.
;
M
o
n
to
y
e
,
R.
;
B
e
ll
u
o
m
in
i,
W
.
;
Hu
n
g
Ng
o
;
M
c
Do
w
e
ll
,
C.
;
Ku
a
n
g
,
J.
B.
;
No
wk
a
,
K.
“
A
lo
w
lat
e
n
c
y
a
n
d
lo
w
p
o
w
e
r
d
y
n
a
m
i
c
Ca
rr
y
S
a
v
e
A
d
d
e
r”
Pro
c
e
e
d
in
g
s
o
f
t
h
e
2
0
0
4
In
ter
n
a
ti
o
n
a
l
S
y
mp
o
siu
m
o
n
Circ
u
it
s a
n
d
S
y
ste
ms
,
2
0
0
4
.
IS
CA
S
'
0
4
.
[5
]
Yu
S
h
e
n
L
in
a
n
d
Ra
d
h
a
k
rish
n
a
n
,
D.
“
De
la
y
E
ff
icie
n
t
3
2
-
b
it
Ca
rry
-
S
k
ip
A
d
d
e
r”
1
3
th
IEE
E
In
ter
n
a
ti
o
n
a
l
Co
n
fer
e
n
c
e
o
n
E
lec
tro
n
ics
,
Circ
u
i
ts
a
n
d
S
y
ste
ms
,
2
0
0
6
,
Nic
e
[6
]
V
ib
h
u
ti
Da
v
e
,
E
rd
a
l
Or
u
k
lu
a
n
d
J
a
fa
r
S
a
n
ii
e
,
“
Co
n
sta
n
t
a
d
d
it
i
o
n
w
it
h
f
lag
g
e
d
b
in
a
ry
a
d
d
e
r
a
rh
it
e
c
tu
re
s”
,
In
teg
ra
ti
o
n
th
e
VL
S
I
j
o
u
rn
a
l
Vo
l.
4
3
p
p
.
2
5
8
–
2
6
7
2
0
1
0
.
[7
]
Yu
P
a
n
g
,
Ju
n
c
h
a
o
W
a
n
g
;
S
h
a
o
q
u
a
n
W
a
n
g
“
A
1
6
-
b
it
c
a
rry
s
k
ip
a
d
d
e
r
d
e
sig
n
e
d
b
y
re
v
e
rsib
le
lo
g
ic”
5
th
IEE
E
In
ter
n
a
t
i
o
n
a
l
C
o
n
fer
e
n
c
e
o
n
B
io
me
d
ica
l
En
g
i
n
e
e
rin
g
a
n
d
I
n
fo
rm
a
ti
c
s (
BM
EI)
,
2
0
1
2
,
Ch
o
n
g
q
in
g
.
[8
]
Ch
iw
a
n
d
e
,
S
.
S
.
a
n
d
Da
k
h
o
le,
P
.
K.
“
V
L
S
I
d
e
sig
n
o
f
p
o
w
e
r
e
ff
icie
n
t
Ca
rr
y
S
k
ip
A
d
d
e
r
u
sin
g
T
S
G
&
F
re
d
k
in
re
v
e
rsib
le g
a
te
”
IEE
E
In
ter
n
a
ti
o
n
a
l
Co
n
fer
e
n
c
e
o
n
De
v
ice
s,
Circ
u
it
s a
n
d
S
y
ste
ms
(
ICDCS
)
,
2
0
1
2
,
Co
im
b
a
to
re
.
[9
]
V
ij
e
y
a
k
u
m
a
r,
K.
N;
S
u
m
a
th
y
,
V
;
Nith
y
a
,
M
;
V
e
n
k
a
tan
a
ra
y
a
n
a
n
,
C;
T
h
i
ru
c
h
it
ra
b
a
la,
V
.
“
De
sig
n
o
f
lo
w
p
o
we
r
f
u
ll
a
d
d
e
r
u
si
n
g
a
c
ti
v
e
lev
e
l
d
riv
in
g
c
ircu
it
”
W
S
EA
S
tra
n
sa
c
ti
o
n
s o
n
c
ir
c
u
it
s a
n
d
sy
ste
ms
,
Vo
l.
1
1
,
No
.
8
,
2
0
1
2
.
[1
0
]
M
o
ris
M
a
n
o
,
M
a
n
d
M
ich
a
e
l
D.
Cil
e
tt
i
“
Dig
it
a
l
De
sig
n
”
P
e
a
rso
n
Ed
u
c
a
ti
o
n
,
2
0
0
9
.
[1
1
]
B.
Ra
m
k
u
m
a
r
a
n
d
Ha
rish
M
Kit
tu
r,
“
L
o
w
-
P
o
w
e
r
a
n
d
A
re
a
-
Eff
ici
e
n
t
Ca
rr
y
S
e
le
c
t
A
d
d
e
r”
,
IEE
E
T
ra
n
sa
c
ti
o
n
s
On
Ver
y
L
a
rg
e
S
c
a
le In
teg
r
a
ti
o
n
(
VL
S
I)
S
y
ste
ms
,
V
o
l
.
2
0
,
N
o
.
2
,
F
e
b
ru
a
r
y
2
0
1
2
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