ORT8850H AGERE [Agere Systems], ORT8850H Datasheet - Page 108
ORT8850H
Manufacturer Part Number
ORT8850H
Description
Field-Programmable System Chip (FPSC) Eight-Channel x 850 Mbits/s Backplane Transceiver
Manufacturer
AGERE [Agere Systems]
Datasheet
1.ORT8850H.pdf
(112 pages)
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ORCA ORT8850 FPSC
Eight-Channel x 850 Mbits/s Backplane Transceiver
Package Outline Drawings
352-Pin PBGA
Dimensions are in millimeters.
108
Note: Although the 36 thermal enhancement balls are stated as an option, they are standard on the 352 FPGA package.
(SEE NOTE BELOW)
IDENTIFIER ZONE
CENTER ARRAY
ENHANCEMENT
FOR THERMAL
(OPTIONAL)
COMPOUND
CORNER
A1 BALL
A1 BALL
MOLD
PWB
0.60
0.56
AF
AE
AD
AC
AB
AA
W
M
G
Y
V
U
T
R
P
N
K
H
F
E
D
C
B
A
L
J
0.10
1 2 3 4 5 6 7 8 9 10
0.06
25 SPACES @ 1.27 = 31.75
35.00
30.00
11 13
12
14 16
+0.70
–0.00
15
0.20
17
SOLDER BALL
18
19
20
21
22
23
1.17
24
25
26
0.05
30.00
0.75
@ 1.27 = 31.75
+0.70
–0.00
25 SPACES
0.15
2.33
SEATING PLANE
35.00
0.20
0.21
0.20
Agere Systems Inc.
August 2001
Data Sheet
5-4407(F)