Package Description
8.5 Mechanical Dimensions for the MPC7455, 483 CBGA
Figure 22 provides the mechanical dimensions and bottom surface nomenclature for the MPC7455, 483 CBGA
package.
2X
0.2
D
B
D1
D2
Capacitor Region
A
D3
A1 CORNER
0.15 A
NOTES:
1. DIMENSIONING AND TOLERANCING
PER ASME Y14.5M, 1994.
2. DIMENSIONS IN MILLIMETERS.
3. TOP SIDE A1 CORNER INDEX IS A
METALIZED FEATURE WITH VARIOUS
SHAPES. BOTTOM SIDE. A1 CORNER
IS DESIGNATED WITH A BALL
MISSING FROM THE ARRAY.
E3
E2
E
E4
E1
Millimeters
DIM
MIN
MAX
2X
0.2
D4
A
2.72
0.80
1.10
--
3.20
1.00
1.30
0.60
0.93
C
A1
A2
A3
b
20
1 2
3
4
5
6
7
8
9 10 111213141516171819 21 22
AB
AA
Y
W
V
0.82
U
T
R
P
N
M
L
K
J
H
G
F
E
D
C
B
A
D
29.00 BSC
D1
D2
D3
D4
e
—
8.94
—
11.6
—
A3
7.1
A2
A1
12.15
12.45
1.27 BSC
29.00 BSC
A
E
E1
E2
E3
E4
—
8.94
—
11.6
e
—
6.9
483X
b
0.3 A B C
A
0.15
8.75
9.20
Figure 22. Mechanical Dimensions and Bottom Surface Nomenclature for the MPC7455,
483 CBGA Package
MPC7455 RISC Microprocessor Hardware Specifications, Rev. 4.1
44
Freescale Semiconductor
FREESCALE [ Freescale ]
