at28hc256e-70pc ATMEL Corporation, at28hc256e-70pc Datasheet - Page 20

• Manufacturer Part Number: at28hc256e-70pc
• Description: 256 32k X 8 High-speed Parallel Eeprom
• Manufacturer: ATMEL Corporation

31.4
20
32L – LCC
Dimensions in Millimeters and (Inches).
Controlling dimension: Inches.
MIL-STD 1835 C-12
AT28HC256
R
2325 Orchard Parkway
San Jose, CA 95131
10.16(0.400) BSC
14.22(0.560)
13.72(0.540)
1.27(0.050) TYP
TITLE
32L, 32-pad, Non-windowed, Ceramic Lid, Leadless Chip
Carrier (LCC)
2.41(0.095)
1.91(0.075)
7.62(0.300) BSC
11.63(0.458)
11.23(0.442)
PIN 1
1.40(0.055)
1.14(0.045)
0.305(0.012)
0.178(0.007)
1.02(0.040) X 45˚
2.16(0.085)
1.65(0.065)
0.737(0.029)
0.533(0.021)
0.635(0.025)
0.381(0.015)
INDEX CORNER
RADIUS
1.91(0.075)
1.40(0.055)
X 45˚
2.54(0.100)
2.16(0.085)
DRAWING NO.
32L
0007L–PEEPR–03/08
10/21/03
REV.
B