Rainbow Electronics AT24C128 - Manual (Page 18)

18
AT24C128/256
0670H–SEEPR–07/02
8U6 – dBGA
2325 Orchard Parkway
San Jose, CA 95131
TITLE DRAWING NO.
R
REV.
8U6, 8-ball 0.75 pitch, Die Ball Grid Array
Package (dBGA) AT24C256 (AT19884)
02/04/02
8U6 A
d
e
D
E
A2
A
4
3
2
1 8
7
6
5
E1
D1
A1
- Z -
Z M 8 0 . 0
Y X Z M 5 1 . 0
Øb
#
#
#
#
Pin 1 Mark
this corner
Top View
Side View
Bottom View
COMMON DIMENSIONS
(Unit of Measure = mm)
SYMBOL MIN NOM MAX NOTE
D − − 3.73
D1 0.74 TYP
E − − 2.25
E1 0.75 TYP
e 0.75 TYP
d 0.75 TYP
A 0.90 REF
A1 0.49 0.52 0.55
A2 0.35 0.38 0.41
Ø b 0.47 0.50 0.53
Notes: 1. This drawing is for general information only. No JEDEC drawing to refer to for additional information.
2. Dimension is measured at the maximum solder ball diameter, parallel to primary datum Z.