ORT8850H AGERE [Agere Systems], ORT8850H Datasheet - Page 108

• Manufacturer Part Number: ORT8850H
• Description: Field-Programmable System Chip (FPSC) Eight-Channel x 850 Mbits/s Backplane Transceiver
• Manufacturer: AGERE [Agere Systems]

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)