M68AW256DL Datasheet, PDF (17/20 Pages) STMicroelectronics – 4 Mbit (256K x16) 3.0V Asynchronous SRAM

M68AW256DL
Figure 17. TFBGA48 7x8mm - 6x8 ball array, 0.75 mm pitch, Bottom View Package Outline
D
FD
FE
D1
SD
BALL ”A1”
E E1
SE
ddd
e
A
e
b
A2
A1
Note: Drawing is not to scale.
BGA-Z22
Table 11. TFBGA48 7x8mm - 6x8 ball array, 0.75 mm pitch, Package Mechanical Data
Symbol
millim eters
Typ
Min
Max
in ches
Typ
Min
A
1.010
1.200
0.0398
A1
0.260
0.0102
A2
0.950
b
0.400
0.300
0.500
0.0157
0.0118
D
7.000
6.900
7.100
0.2756
0.2717
D1
3.750
–
–
0.1476
–
ddd
0.100
E
8.000
7.900
8.100
0.3150
0.3110
E1
5.250
–
–
0.2067
–
e
0.750
–
–
0.0295
–
FD
1.625
–
–
0.0640
–
FE
1.375
–
–
0.0541
–
SD
0.375
–
–
0.0148
–
SE
0.375
–
–
0.0148
–
Max
0.0472
0.0374
0.0197
0.2795
–
0.0039
0.3189
–
–
–
–
–
–
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