AT24C256C-CUL-T ATMEL [ATMEL Corporation], AT24C256C-CUL-T Datasheet - Page 20

• Manufacturer Part Number: AT24C256C-CUL-T
• Description: serial electrically erasable and programmable read-only memory
• Manufacturer: ATMEL [ATMEL Corporation]

20
8U2-1 – VFBGA
Atmel AT24C256C
Notes: 1. This drawing is for general information.
A1 Ball Pad Corner
2. Dimension 'b' is measured at the maximum solder ball
3. Solder ball composition shall be 95.5Sn-4.0Ag-.5Cu.
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Package Drawing Contact:
diameter.
e
(e1)
A1 BALL PAD CORNER
8 SOLDER BALLS
Bottom View
Top View
2
D
1
(d1)
TITLE
8U2-1, 8 ball, 2.35 x 3.73 mm Body,
0.75 mm pitch, VFBGA Package (dBGA2)
d
A
B
C
D
B
A
e
0.10 (4X)
SYMBOL
Side View
A
A1
A2
b
D
E
e
e1
d
d1
// 0.10 C
COMMON DIMENSIONS
(Unit of Measure = mm)
0.81
0.15
0.40
0.25
MIN
C
A1
A2
A
GPC
GWW
2.35 BSC
3.73 BSC
0.75 BSC
0.74 BSC
0.75 BSC
Øb
0.80 REF
0.08 C
NOM
0.91
0.20
0.45
0.30
Ø0.15
Ø0.08
DRAWING NO.
M
M
C A B
C
MAX
1.00
0.25
0.50
0.35
8U2-1
8568C–SEEPR–5/10
NOTE
2/25/08
REV.
C