AS6UA5128
®
Package diagrams and dimensions
36(48)-ball FBGA
Bottom View
6
5
4
3
2
1
Ball #A1
Top View
Ball #A1 index
A
B
C
D
E
F
G
H
Elastomer
A
B1
B
A
C1
SRAM Die
C
Side View
E2
E
E
Die
E1
Detail View
A
D
E2
Die
0.3/Typ
Y
A
B
B1
C
C1
D
E
E1
E2
Y
Minimum
–
6.90
–
10.90
–
0.30
–
–
0.22
–
Typical
0.75
7.00
3.75
11.00
5.25
0.35
–
0.68
0.25
–
Maximum
–
7.10
–
11.10
–
0.40
1.20
–
0.27
0.08
Notes
1. Bump counts: 36(48) (8 row × 6 column).
2. Pitch: (x,y) = 0.75 mm × 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).
5/25/01; v.1.1
Alliance Semiconductor
P. 8 of 9