Cirrus Logic CS42L73 - Manual (Page 5)

5
CS42L73
2. PACKAGE DIMENSIONS
2.1 WLCSP Package
64 Ball WLCSP (3.44 x 3.44 mm Body) Package Drawing
MILL
IM
ET
ERS
Dim
M
IN
NOM
M
A
X
A
0
.4
50
0.505
0
.5
60
A1
0.
17
0
0.2
00
0.
23
0
A2
0.
28
0
0.3
05
0.
33
0
M
-
2.800
-
N
-
2.800
-
b
0
.2
30
0.260
0
.2
90
c
-
0.320
-
d
-
0.320
-
e
-
0.400
-
X
3
.4
15
3.440
3
.4
65
Y
3
.4
15
3.440
3
.4
65
Controlling D
imension
is
Millimeters.
Ta
ble 1
. WLCSP Pac
kag
e Dimen
s
ions
Not
es:
1
.
Con
trol
ling
d
imensio
ns a
re
in
milli
me
te
rs.
2
.
D
imensio
ning
a
nd tolera
nces per ASME Y
1
4.5M-1994
.
3
.
D
imensio
n
“b”
a
ppli
es
to
the so
lde
r sp
here diame
ter and is
mea
sured at th
e midpo
int betwee
n the
p
ackage
b
ody and
the
se
ating pl
ane.
4
.
U
nless
o
th
erwise sp
ecified
, to
le
rance
s are: Li
near
±0.05
mm,
An
gula
r ±
1°.
e
e
A2
Ba
ll A1
Loc
at
ion
In
di
ca
to
r X
Y
BUMP SIDE
SIDE VIEW
A1
b
N
M
d
c
WAFER B
A
CK
S
ID
E
Ba
ll A
1
Lo
ca
tion
In
di
ca
to
r
(S
e
en Th
rough P
ac
kage)
Ball
A1
A