EM641FU16E Series
merging Memory & Logic Solutions Inc.
Low Power, 256Kx16 SRAM
Unit: millimeters
PACKAGE DIMENSION
48 Ball Fine Pitch BGA (0.75mm ball pitch)
Bottom View
Top View
B
A1 index Mark
B
B1
0.5
6 5 4 3 2 1
A
B
C
D
E
F
#A1
G
H
B/2
Side View
D
Detail A
A
Y
C
Min
Typ
0.75
6.00
3.75
7.00
5.25
0.35
1.04
0.79
0.25
-
Max
A
B
-
-
5.93
6.03
-
NOTES.
B1
C
-
1. Bump counts : 48(8row x 6column)
2. Bump pitch : (x,y)=(0.75x0.75) (typ.)
3. All tolerence are +/-0.050 unless
otherwise specified.
6.93
7.03
-
C1
D
-
0.30
0.40
1.10
-
4. Typ : Typical
5. Y is coplanarity : 0.08(Max)
E
1.00
E1
E2
Y
-
-
-
-
0.08
10