Bottom View
6 543 2 1
A
B
C
D
F
G
H
J
A
B1
®
48-ball FBGA
Ball A1
C1
Side View
E2
E
D
Die
E1
Minimum Typical Maximum
A
–
0.75
–
B
5.90
8.00
8.10
B1
–
3.75
–
C
7.90
8.00
8.10
C1
–
5.25
–
D
–
0.35
–
E
–
–
1.20
E1
–
0.68
–
E2
0.22
0.25
0.27
Y
–
–
0.08
AS7C1026A
AS7C31026A
Top View
Ball #A1 index
*
SRAM DIE
C
Elastomer
B
*pin 1 indicator will show as
engraved circle and/or Inc. trade mark
Detail View
A
E2
Y
E
Die
0.3/Tµp
Notes
1 Bump counts: 48 (8 row x 6 column).
2 Pitch: (x,y) = 0.75 mm x 0.75 mm (typ).
3 Units: millimeters.
4 All tolerance are +/- 0.050 unless otherwise
specified.
5 Typ: typical.
6 Y is coplanarity: 0.08 (max).
2/6/01
Alliance Semiconductor
P. 8 of 9