AT25128A-W1.8-11 ATMEL [ATMEL Corporation], AT25128A-W1.8-11 Datasheet - Page 18

• Manufacturer Part Number: AT25128A-W1.8-11
• Description: SPI Serial EEPROMs
• Manufacturer: ATMEL [ATMEL Corporation]

8U2-1 – dBGA2
18
1. Dimension 'b' is measured at the maximum solder ball diameter.
This drawing is for general information only.
AT25128A/256A
R
A1 BALL PAD CORNER
1150 E. Cheyenne Mtn. Blvd.
Colorado Springs, CO 80906
e
(e1)
Bottom View
A1 BALL PAD CORNER
8 Solder Balls
2
Top View
TITLE
8U2-1, 8-ball, 2.35 x 3.73 mm Body, 0.75 mm pitch,
Small Die Ball Grid Array Package (dBGA2)
1
D
(d1)
A
B
C
D
d
E
SYMBOL
Side View
A
A1
A2
b
D
E
e
e1
d
d1
COMMON DIMENSIONS
MIN
0.81
0.15
0.40
0.25
(Unit of Measure = mm)
A2
A1
A
2.35 BSC
3.73 BSC
0.75 BSC
0.74 REF
0.75 BSC
0.80 REF
NOM
0.91
0.20
0.45
0.30
1.
DRAWING NO.
PO8U2-1
b
MAX
1.00
0.25
0.50
0.35
3368H–SEEPR–8/05
NOTE
6/24/03
1
REV.
A