28F640L30 Datasheet, PDF (93/100 Pages) Intel Corporation – 1.8 Volt Intel StrataFlash® Wireless Memory with 3.0-Volt I/O (L30)

28F640L30, 28F128L30, 28F256L30
Appendix D Mechanical Information
Figure 39. Mechanical Specification for the 64- and 128-Mbit; 56-Ball VF BGA Package
Drawing and Dimensions
A1 Index
Mark
D
1 2345 678
A
B
C
E
D
E
F
G
Top View - Ball Side Down
A1
A2
Side View
A1 Index
Mark
S1
8 7 6 5 4 3 21
S2
A
B
C
D
E
e
F
G
b
Bottom View - Ball Side Up
A _Seating
Plane
Y
Note: Drawing not to scale
Dimensions
Package Height
Ball Height
Package Body Thickness
Ball (Lead) Width
Package Body Length (64Mb, 128Mb)
Package Body Width 64Mb
Package Body Width 128Mb
Pitch
Ball (Lead) Count
Seating Plane Coplanarity
Corner to Ball A1 Distance Along D (64Mb, 128Mb)
Corner to Ball A1 Distance Along E 64Mb
Corner to Ball A1 Distance Along E 128Mb
Symbol
A
A1
A2
b
D
E
E
e
N
Y
S1
S2
S2
Millimeters
Min Nom Max
1.000
0.150
0.665
0.325 0.375 0.425
7.600 7.700 7.800
6.100 6.200 6.300
8.900 9.000 9.100
0.750
56
0.100
1.125 1.225 1.325
0.750 0.850 0.950
2.150 2.250 2.350
Notes
Min
0.0059
0.0128
0.2992
0.2402
0.3504
0.0443
0.0331
0.0846
Inches
Nom
0.0262
0.0148
0.3031
0.2441
0.3543
0.0295
56
0.0482
0.0335
0.0886
Max
0.0394
0.0167
0.3071
0.2480
0.3583
0.0039
0.0522
0.0339
0.0925
Datasheet
93