81
09/18/00 Rev 1.1
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PI7C7100
3-Port PCI Bridge
ADVANCE INFORMATION
PIN #1
CORNER
20
0.15
19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
T
U
V
W
Y
A
8.00
4 x 45° CHAMFER
2.33 Min. / 3.50Max.
27.00 ± 0.15
ø1.0
(3X)
0.60 ± 0.1
30
±
2°
SEA
TING
PLANE
1.27
1.44
BSC
24.00
±
0.1
256 x ø0.75 ± 0.15
0.56 ± 0.05
1.17 ± 0.1
0.30 S
0.10 S
S
S
C
C
B
B
C
C
A
27.00
±
0.15
(4X)
17. 256-Pin PBGA Package
TOP
BOTTOM
17.1 Part Number Ordering Information
t
r
a
P
e
g
a
k
c
a
P
-
n
i
P
e
r
u
t
a
r
e
p
m
e
T
A
N
C
0
0
1
7
C
7
I
P
A
G
B
P
-
6
5
2
C
°
0
7
+
o
t
C
°
0
Figure 17-1. 256-Pin PBGA Package