AT28HC256N-12JI ATMEL [ATMEL Corporation], AT28HC256N-12JI Datasheet - Page 12

• Manufacturer Part Number: AT28HC256N-12JI
• Description: 256 (32K x 8) High-speed Parallel EEPROM
• Manufacturer: ATMEL [ATMEL Corporation]

Packaging Information
32J – PLCC
12
Notes:
R
AT28HC256N
2325 Orchard Parkway
San Jose, CA 95131
1. This package conforms to JEDEC reference MS-016, Variation AE.
2. Dimensions D1 and E1 do not include mold protrusion.
3. Lead coplanarity is 0.004" (0.102 mm) maximum.
0.51(0.020)MAX
Allowable protrusion is .010"(0.254 mm) per side. Dimension D1
and E1 include mold mismatch and are measured at the extreme
material condition at the upper or lower parting line.
45˚ MAX (3X)
1.14(0.045) X 45˚
B
e
TITLE
32J, 32-lead, Plastic J-leaded Chip Carrier (PLCC)
D2
D1
D
IDENTIFIER
PIN NO. 1
E1
1.14(0.045) X 45˚
E
SYMBOL
A
A
A1
A2
D
D1
D2
E
E1
E2
B
B1
e
B1
A2
A1
12.319
11.354
14.859
13.894
12.471
0.318(0.0125)
0.191(0.0075)
3.175
1.524
9.906
0.660
0.330
0.381
COMMON DIMENSIONS
MIN
(Unit of Measure = mm)
E2
1.270 TYP
NOM
–
–
–
–
–
–
–
–
–
–
–
DRAWING NO.
12.573
11.506
10.922
15.113
14.046
13.487
3.556
2.413
0.813
MAX
0.533
–
32J
3446B–PEEPR–4/04
Note 2
Note 2
NOTE
10/04/01
REV.
B