AT28C256-20JI Atmel, AT28C256-20JI Datasheet - Page 19
![IC EEPROM 256KBIT 200NS 32PLCC](/photos/7/21/72190/453-32-plcc_sml.jpg)
AT28C256-20JI
Manufacturer Part Number
AT28C256-20JI
Description
IC EEPROM 256KBIT 200NS 32PLCC
Manufacturer
Atmel
Specifications of AT28C256-20JI
Format - Memory
EEPROMs - Parallel
Memory Type
EEPROM
Memory Size
256K (32K x 8)
Speed
200ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
32-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
AT28C25620JI
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
29.3
0006M–PEEPR–12/09
Notes:
32J – PLCC
R
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
E2
A
A1
A2
D
D1
D2
E
E1
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
0.533
MAX
–
AT28C256
32J
Note 2
Note 2
NOTE
10/04/01
REV.
B
19