AT28HC256-70SI Atmel, AT28HC256-70SI Datasheet - Page 19
![IC EEPROM 256KBIT 70NS 28SOIC](/photos/6/82/68295/453-28-soic_sml.jpg)
AT28HC256-70SI
Manufacturer Part Number
AT28HC256-70SI
Description
IC EEPROM 256KBIT 70NS 28SOIC
Manufacturer
Atmel
Datasheet
1.AT28HC256-12JU.pdf
(24 pages)
Specifications of AT28HC256-70SI
Format - Memory
EEPROMs - Parallel
Memory Type
EEPROM
Memory Size
256K (32K x 8)
Speed
70ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
AT28HC25670SI
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
28.3
0007N–PEEPR–9/09
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.
AT28HC256
12.573
11.506
10.922
15.113
14.046
13.487
3.556
2.413
0.813
0.533
MAX
–
32J
Note 2
Note 2
NOTE
10/04/01
REV.
B
19