13
0547G–EPROM–12/07
AT27LV256A
20.2 28R – SOIC
A 2.39 – 2.79
A1 0.050 – 0.356
D 18.00 – 18.50 Note 1
E 11.70 – 12.50
E1 8.59 – 8.79 Note 1
B 0.356 – 0.508
C 0.203 – 0.305
L 0.94 – 1.27
e 1.27 TYP
PIN 1
0º ~ 8º
2325 Orchard Parkway
San Jose, CA 95131
TITLE
DRAWING NO.
R
REV.
28R, 28-lead, 0.330" Body Width,
Plastic Gull Wing Small Outline (SOIC)
C
28R
5/18/2004
COMMON DIMENSIONS
(Unit of Measure = mm)
SYMBOL
MIN
NOM
MAX
NOTE
A
E
C
A
1
E
1
e
D
L
B
Note: 1. Dimensions D and E1 do not include mold Flash
or protrusion. Mold Flash or protrusion shall not exceed
0.25 mm (0.010").
