AT28HC256-12TU Atmel, AT28HC256-12TU Datasheet - Page 15
![IC EEPROM 256KBIT 120NS 28TSOP](/photos/7/21/72191/313-28-tsop_sml.jpg)
AT28HC256-12TU
Manufacturer Part Number
AT28HC256-12TU
Description
IC EEPROM 256KBIT 120NS 28TSOP
Manufacturer
Atmel
Datasheet
1.AT28HC256-12JU.pdf
(24 pages)
Specifications of AT28HC256-12TU
Format - Memory
EEPROMs - Parallel
Memory Type
EEPROM
Memory Size
256K (32K x 8)
Speed
120ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
28-TSOP
Density
256Kb
Interface Type
Parallel
Organization
32Kx8
Access Time (max)
120ns
Write Protection
Yes
Data Retention
10Year
Operating Supply Voltage (typ)
5V
Package Type
TSOP-I
Operating Temp Range
-40C to 85C
Supply Current
80mA
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
28
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT28HC256-12TU
Manufacturer:
ATMEL
Quantity:
8
27.2
27.2.1
27.2.2
27.2.3
27.3
Previous datasheets included the low power suffixes L, LE and LF on the AT28HC256 for 120 ns and 90 ns speeds.
The low power parameters are now standard; therefore, the L, LE and LF suffixes are no longer required.
0007N–PEEPR–9/09
(ns)
(ns)
(ns)
t
t
t
120
120
ACC
70
90
ACC
90
ACC
90
Blank
28S
32J
28T
E
F
Industrial Green Package Option (Pb/Halide-free)
Ordering Information Note
AT28HC256
AT28HC256E
AT28HC256F
Active
Active
Active
80
80
80
80
80
80
32-lead, Plastic J-leaded Chip Carrier (PLCC)
28-lead, 0.300" Wide, Plastic Gull Wing Small Outline (SOIC)
28-lead, Plastic Thin Small Outline Package (TSOP)
Standard Device: Endurance = 10K Write Cycles; Write Time = 10 ms
High Endurance Option: Endurance = 100K Write Cycles
Fast Write Option: Write Time = 3 ms
I
I
I
CC
CC
CC
(mA)
(mA)
(mA)
Standby
Standby
Standby
0.3
0.3
0.3
0.3
0.3
0.3
Ordering Code
AT28HC256-70JU
AT28HC256-70SU
AT28HC256-70TU
AT28HC256-90JU
AT28HC256-90SU
AT28HC256-90TU
AT28HC256-12JU
AT28HC256-12SU
AT28HC256-12TU
Ordering Code
AT28HC256E-90JU
AT28HC256E-90SU
AT28HC256E-90TU
AT28HC256E-12JU
AT28HC256E-12SU
AT28HC256E-12TU
Ordering Code
AT28HC256F-90JU
AT28HC256F-90SU
AT28HC256F-90TU
Package Type
Options
Package
Package
Package
28S
28T
28S
28T
28S
28T
28S
28T
28S
28T
28S
28T
32J
32J
32J
32J
32J
32J
Operation Range
Operation Range
Operation Range
(-40° C to 85° C)
(-40° C to 85° C)
(-40° C to 85° C)
AT28HC256
Industrial
Industrial
Industrial
15