at93c56a-w1.8-11-4 ATMEL Corporation, at93c56a-w1.8-11-4 Datasheet - Page 18

• Manufacturer Part Number: at93c56a-w1.8-11-4
• Description: Three-wire Serial Eeprom
• Manufacturer: ATMEL Corporation

8.5
18
8U3-1 – dBGA2
AT93C56A/66A
(e1)
1. This drawing is for general information only.
2. Dimension ‘b’ is measured at maximum solder ball diameter
(d1)
R
d
1150E Cheyenne Mt. Blvd
Colorado Springs, CO 80906
1
8
PIN 1 BALL PAD CORNER
PIN 1 BALL PAD CORNER
e
Bottom View
2
7
Top View
8 Solder Balls
E
3
6
TITLE
8U3-1, 8-ball, 1.50 x 2.00 mm Body, 0.50 mm pitch,
Small Die Ball Grid Array Package (dBGA2)
4
5
D
A
2
SYMBOL
A
A1
A2
b
D
E
e
e1
d
d1
Side View
MIN
A
0.713
0.09
0.40
0.20
COMMON DIMENSIONS
(Unit of Measure = mm)
1.50 BSC
2.00 BSC
0.50 BSC
0.25 REF
1.00 BSC
0.25 REF
NOM
0.79
0.14
0.45
0.25
DRAWING NO.
A
1
PO8U3-1
MAX
0.85
0.19
0.50
0.30
1.
b
3378L–SEEPR–11/07
NOTE
2
5/3/05
REV.
b