AT24C256B_07 Datasheet, PDF (16/21 Pages) ATMEL Corporation – Two-wire Serial EEPROM 256K (32,768 x 8)

8U2-1 – dBGA2
A1 BALL PAD CORNER
D
1. b
E
Top View
A1 BALL PAD CORNER
e
(e1)
21
A
B
C
D
A1
A2
A
Side View
d
(d1)
Bottom View
8 Solder Balls
1. Dimension 'b' is measured at the maximum solder ball diameter.
This drawing is for general information only.
COMMON DIMENSIONS
(Unit of Measure = mm)
SYMBOL
A
A1
A2
b
D
E
e
e1
d
d1
MIN NOM MAX
0.81 0.91 1.00
0.15 0.20 0.25
0.40 0.45 0.50
0.25 0.30 0.35
2.35 BSC
3.73 BSC
0.75 BSC
0.74 REF
0.75 BSC
0.80 REF
NOTE
1
1150 E. Cheyenne Mtn. Blvd.
R Colorado Springs, CO 80906
TITLE
8U2-1, 8-ball, 2.35 x 3.73 mm Body, 0.75 mm pitch,
Small Die Ball Grid Array Package (dBGA2)
16 AT24C256B
6/24/03
DRAWING NO. REV.
PO8U2-1
A
5080B–SEEPR–1/07