W9825G2JB Datasheet, PDF (40/41 Pages) Winbond – 2M  4 BANKS  32BITS SDRAM

W9825G2JB
12. PACKAGE SPECIFICATION
90 Ball TFBGA (8X13 mm², Ball pitch:0.8mm, Ø =0.45mm)
TOP VIEW
A1 CORNER
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A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
BOTTOM VIEW
Φb
A1 CORNER
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A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
e
D2
D
y
SEATING PLANE
A1 A
Ball Land
Ball Opening
CONTROL DIMENSIONS ARE IN MILLIMETERS.
MILLIMETER
SYMBOL
MIN. NOM. MAX.
A
---
---
1.20
A1
0.25
---
0.40
D
7.95 8.00 8.05
D2
6.40 BASIC
E
12.95 13.0 13.05
E2
11.2 BASIC
y
0.15 BASIC
Φb
0.40
---
0.50
e
0.80 BASIC
INCH
MIN. NOM. MAX.
---
--- 0.047
0.010 --- 0.016
0.313 0.315 0.317
0.252 BASIC
0.510 0.512 0.514
0.441 BASIC
0.006 BASIC
0.016 --- 0.020
0.032 BASIC
Note: Ball land: 0.5mm / Ball opening: 0.4mm
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Publication Release Date: Apr. 11, 2011
Revision A01