at28hc256e-70pc ATMEL Corporation, at28hc256e-70pc Datasheet - Page 18

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

31.2
18
28F – Flatpack
Dimensions in Millimeters and (Inches).
Controlling dimension: Inches.
MIL-STD 1835 F-12 Config B
AT28HC256
R
2325 Orchard Parkway
San Jose, CA 95131
18.49(0.728)
18.08(0.712)
0.23(0.009)
0.10(0.004)
PIN #1 ID
10.57(0.416)
TITLE
9.75(0.384)
1.96(0.077)
7.26(0.286)
6.96(0.274)
28F, 28-lead, Non-windowed, Ceramic Bottom-brazed
Flat Package (FlatPack)
1.09(0.043)
1.14(0.045)
0.660(0.026)
9.40(0.370)
6.35(0.250)
0.56(0.022)
0.38(0.015)
1.27(0.050) BSC
1.14(0.045) MAX
3.02(0.119)
2.29(0.090)
DRAWING NO.
28F
0007L–PEEPR–03/08
10/21/03
REV.
B