RELEASED
PMC-Sierra, Inc.
PM9311/2/3/5 ETT1™ CHIP SET
Data Sheet
PMC-2000164
ISSUE 3
ENHANCED TT1™ SWITCH FABRIC
Figure 64. Crossbar CCGA package Dimensions - Bottom View
AN
AM
AL
AK
AJ
AH
AG
AF
AE
AD
AC
AB
AA
Y
b
e
W
V
U
T
R
P
N
M
L
K
J
H
G
F
E
D
C
B
A
02 04 06 08 10 12 14 16 18 20 22 24 26 28 30 32
01 03 05 07 09 11 13 15 17 19 21 23 25 27 29 31 33
Pin A01 corner
Bottom View
Table 34. Crossbar CCGA Mechanical Specifications
e = 1.27 mm pitch
Symbol
Units
Minimum
Nominal
Maximum
A
6.83
4.62
mm
mm
mm
mm
mm
mm
mm
mm
A1
A2
aaa
D
2.21
0.15
42.50
40.64
42.50
40.64
33 x 33
1088
D1
E
E1
M
N
b
0.48
NOTE: Column alloy is 90/10 PbSn
0.52
mm
250
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
PMC [ PMC-SIERRA, INC ]
