PM7311 pmc-sierra, PM7311 Datasheet - Page 295

• Manufacturer Part Number: PM7311
• Description: Freedm 84a1024l Assp Telecom Standard Datasheet
• Manufacturer: pmc-sierra

Proprietary and Confidential to PMC-Sierra, Inc., and for its customers’ internal use.
Document No.: PMC-2021832, Issue 2
21
Mechanical Information
Figure 72 520-Pin Thermally Enhanced Ball Grid Array (TEBGA)
A1 BALL
CORNER
A1 BA LL ID
INK M ARK
A
NO TES: 1) ALL DIM ENSIO NS IN MILLIMETER.
Max.
PACKAGE TYPE : 520 THERMALLY ENHANCED BALL GRID ARRAY - SBGA
BODY SIZE : 40 x 40 x 1.54 MM
Dim.
Min.
Nom .
A
1
A
2
2) DIMENSION aaa DENOTES PACKAGE BODY PRO FILE.
3) DIMENSIO N bbb DENO TES PARALLEL.
4) DIM ENSION ccc DENO TES FLATNESS.
5) DIMENSION ddd DENOTES COPLANARITY.
1.30
1.51
1.70
A
0.50
0.60
0.70
TOP VIEW
SIDE VIEW
A
1
0.80 39.90 38.00 39.90 38.00
0.91 40.00 38.10 40.00 38.10
1.00 40.10 38.20 40.10 38.20
A
D
2
D
FREEDM 84A1024L ASSP Telecom Standard Product Data Sheet
D
1
SEATING PLANE
E
E
aaa
A
C
E
bbb C
B
(4X)
1
31x31
M,N
0.30
0.10
M
M
A
0.60
0.75
0.90
C A B
C
b
b
ddd C
s
e
0.5
d
-
-
31
30
29
28
1.27
27
26
e
-
-
25
24
BOTTOM VIEW
A-A SECTION VIEW
23
22
aaa bbb
0.20
ENCAPSULAT ION
21
s
-
20
-
19
EXTENT OF
18
D
17
1,
A
0.25
16
M
15
-
-
1 4
13
12
11
ccc
0.20
10
-
-
9
8
7
d
6
Released
ddd
0.20
5
4
3
e
2
1
295
0.20 M IN
G
H
K
L
M
T
U
V
W
AA
AB
AC
AD
AE
AF
AG
A H
AJ
AK
AL
A
B
C
D
E
F
J
N
P
R
Y
ccc
A1 BALL
CORNER
E
1,
C
N