
37
TSPC750A/740A
2128A–HIREL–01/02
Figure23.
MechanicalDimensionsandBottomSurfaceNomenclatureofTSPC740A(CBGA)
NOTES:
A. DIMENSIONING AND TOLERANCING
PER ASME Y14.5M, 1994.
B. DIMENSIONS IN MILLIMETERS.
C. 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.
0.2
F
T
255X
A
2X
A1 CORNER
B
G
P
N
0.2
2X
F
E
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
T
K
E
0.3
T
0.15
D
K
C
H
A1
T
T
M
A
B
C
D
G
H
K
N
P
DIM
MIN
MAX
MAX
MIN
MILLIMETERS
INCHES
21.000 BSC
21.000 BSC
0.827 BSC
0.827 BSC
2.45
3.000
0.096
0.118
0.820
0.930
0.032
9.0
9.2
0.354
0.335
0.327
8.5
8.3
0.039
0.031
0.990
0.790
1.270 BSC
0.050 BSC
0.635 BSC
0.025 BSC
M
2.00
A1
0.9
1.10
0.035
0.043
0.037
0.074
0.362
1
2
3
4
5 6 7 8 9 10
1314
1112
1516