Numonyx™ Wireless Flash Memory (W18)
3.0
Package Information
3.1
W18 — 90 nm Lithography
Figure 1: 32- and 64-Mbit VF BGA Package Drawing
Ball A1
Corner
Ball A1
Corner
D
S1
1
2
3
4
5
6
7
8
S
2
8
7
6
5
4
3
2
1
A
B
C
D
E
F
A
B
C
D
E
F
E
e
G
G
b
Top View - Bump Side Down
A1
Bottom View - Ball Side Up
A2
A
Seating
Plane
Y
Table 5:
32- and 64-Mbit VF BGA Package Dimensions
Millimeters
Inches
Nom
Dimension
Symbol
Min
Nom
Max
Min
Max
Package Height
Ball Height
A
A1
A2
b
-
-
1.000
-
-
-
0.0394
-
0.150
-
-
0.0059
-
-
Package Body Thickness
Ball (Lead) Width
0.665
0.375
7.700
9.000
0.750
56
-
0.0262
0.0148
0.3031
0.3543
0.0295
56
-
0.325
7.600
8.900
-
0.425
7.800
9.100
-
0.0128
0.2992
0.3504
-
0.0167
0.3071
0.3583
-
Package Body Width
Package Body Length
Pitch
D
E
[e]
N
Ball (Lead) Count
-
-
-
-
Seating Plane Coplanarity
Corner to Ball A1 Distance Along D
Corner to Ball A1 Distance Along E
Y
-
-
0.100
1.325
2.350
-
-
0.0039
0.0522
0.0925
S1
S2
1.125
2.150
1.225
2.250
0.0443
0.0846
0.0482
0.0886
November 2007
Order Number: 290701-18
Datasheet
13