
X28C256
PACKAGING INFORMATION
28-LEAD PLASTIC DUAL IN-LINE PACKAGE TYPE P
1.470 (37.34)
1.400 (35.56)
PIN 1 INDEX
PIN 1
1.300 (33.02)
REF.
0.557 (14.15)
0.510 (12.95)
0.085 (2.16)
0.040 (1.02)
SEATING
PLANE
0.160 (4.06)
0.120 (3.05)
0.110 (2.79)
0.090 (2.29)
0.065 (1.65)
0.040 (1.02)
0.625 (15.88)
0.590 (14.99)
0.160 (4.06)
0.125 (3.17)
0.030 (0.76)
0.015 (0.38)
0.022 (0.56)
0.014 (0.36)
TYP. 0.010 (0.25)
0°
15°
NOTE:
1. ALL DIMENSIONS IN INCHES (IN PARENTHESES IN MILLIMETERS)
2. PACKAGE DIMENSIONS EXCLUDE MOLDING FLASH
3926 FHD F04
16