AT28HC256-12JU Atmel, AT28HC256-12JU Datasheet - Page 8
![IC EEPROM 256KBIT 120NS 32PLCC](/photos/7/21/72190/453-32-plcc_sml.jpg)
AT28HC256-12JU
Manufacturer Part Number
AT28HC256-12JU
Description
IC EEPROM 256KBIT 120NS 32PLCC
Manufacturer
Atmel
Datasheet
1.AT28HC256-12JU.pdf
(24 pages)
Specifications of AT28HC256-12JU
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
32-PLCC
Organization
32 K x 8
Interface Type
Parallel
Access Time
120 ns
Output Enable Access Time
50 ns
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.5 V
Maximum Operating Current
80 mA
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Supply Voltage
5 V
Density
256Kb
Access Time (max)
120ns
Write Protection
Yes
Data Retention
10Year
Operating Supply Voltage (typ)
5V
Package Type
PLCC
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
32
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT28HC256-12JU
Manufacturer:
Atmel
Quantity:
1 963
Company:
Part Number:
AT28HC256-12JU
Manufacturer:
ATMEL
Quantity:
18 831
14. AC Write Characteristics
Note:
15. AC Write Waveforms
15.1
15.2
8
Symbol
t
t
t
t
t
t
t
t
AS
AH
CS
CH
WP
DS
DH
DV
, t
, t
OES
OEH
1. NR = No Restriction.
WE Controlled
CE Controlled
AT28HC256
Parameter
Address, OE Setup Time
Address Hold Time
Chip Select Setup Time
Chip Select Hold Time
Write Pulse Width (WE or CE)
Data Setup Time
Data, OE Hold Time
Time to Data Valid
NR
Min
100
50
50
0
0
0
0
(1)
Max
0007N–PEEPR–9/09
Units
ns
ns
ns
ns
ns
ns
ns