82801DB Datasheet, PDF (550/587 Pages) Intel Corporation – Intel 82801DB I/O Controller Hub 4 (ICH4)

Package Information
Figure 18-2. Intel^® ICH4 Package (Bottom View)
Note 3
0.90
ϕ
0.60
ϕ 0.30 S C A S B S
1.27
1.53 REF
Bottom View
Pin A1 corner
23 ²² 21 ²⁰ 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
AA
AB
AC
1.27
1.53 REF
Notes:
1. All dimensions are in millimeters.
2. All dimensions and tolerances conform to ANSI Y14.5M - 1982.
3. Dimension is measured at the maximum solder ball diameter. Parallel to Datum (-C-) on Side View illustration.
550
Intel^® 82801DB ICH4 Datasheet