參數(shù)資料
型號: XPC750EC
英文描述: XPC750P/D XPC750P RISC Microprocessor Hardware Specifications
中文描述: XPC750P /數(shù)XPC750P RISC微處理器硬件規(guī)格
文件頁數(shù): 30/52頁
文件大?。?/td> 1274K
代理商: XPC750EC
30
MPC755 RISC Microprocessor Hardware Specifications
MOTOROLA
Package Description
1.7.2
Mechanical Dimensions for the MPC745 PBGA
Figure 18 provides the mechanical dimensions and
bottom surface nomenclature for the MPC745, 255
PBGA package.
Figure 18. Mechanical Dimensions and Bottom Surface Nomenclature for the MPC745 255 PBGA
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.
4. CAPACITOR PADS MAY BE
UNPOPULATED.
Millimeters
DIM
Min
Max
A
2.25
2.80
A1
0.50
0.70
A2
1.00
1.20
A3
0.60
b
0.60
0.90
D
21.00 BSC
D1
6.75
E
21.00 BSC
E1
7.87
e
1.27 BSC
0.2
D
2X
A1 CORNER
E
0.2
B
A
C
0.2 C
B
C
C
255X
e
1 2 3 4 5 6 7 8 9 10 111213141516
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
T
A
0.3
0.15
b
E1
D1
A
A1
A2
A3
1
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