Package Mechanical Drawings (continued)
176-Pin CPGA
INDEX MARK
0.102"
0.132"
0.100" BSC
0.018" ± .002"
0.050" ± .005"
0.120"
0.140"
1.570" ± .015" square
R
P
N
M
L
K
J
1.400 BSC
H
G
F
E
D
C
B
A
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15
Notes:
1. All dimensions are in inches unless otherwise stated.
2. BSC—Basic Spacing between Centers. This is a theoretical true position dimension and so has no tolerance.
92