Released
PMC-Sierra, Inc.
PM9311/2/3/5 ETT1™ CHIP SET
Data Sheet
PMC-2000164
ISSUE 3
ENHANCED TT1™ SWITCH FABRIC
Figure 57. Dataslice CBGA Package Dimensions - Bottom View
AE
AD
AC
AB
AA
Y
b
W
V
U
T
e
R
P
N
M
L
K
J
H
G
F
E
D
C
B
A
02 04 06 08
01 03 05 07 09
10 12 14 16 18
11 13 15 17 19
Pin A01 corner
Bottom View
Table 19. Dataslice CBGA Mechanical Specifications
e =1.27 mm
Symbol
Units
Minimum
Nominal
Maximum
A
5.22
4.32
mm
mm
mm
mm
mm
mm
mm
mm
A1
A2
aaa
D
0.90
0.15
25.00
22.86
32.50
30.48
19 x 25
474
D1
E
E1
M
N
b
0.82
0.93
mm
NOTE: Ball alloy is 90/10 PbSn
148
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
PMC [ PMC-SIERRA, INC ]
