AT28HC256-90JI Atmel, AT28HC256-90JI Datasheet - Page 6
![IC EEPROM 256KBIT 90NS 32PLCC](/photos/7/21/72190/453-32-plcc_sml.jpg)
AT28HC256-90JI
Manufacturer Part Number
AT28HC256-90JI
Description
IC EEPROM 256KBIT 90NS 32PLCC
Manufacturer
Atmel
Datasheet
1.AT28HC256-12JU.pdf
(24 pages)
Specifications of AT28HC256-90JI
Format - Memory
EEPROMs - Parallel
Memory Type
EEPROM
Memory Size
256K (32K x 8)
Speed
90ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
32-PLCC
Density
256Kb
Interface Type
Parallel
Organization
32Kx8
Access Time (max)
90ns
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
Contains lead / RoHS non-compliant
Other names
AT28HC25690JI
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT28HC256-90JI
Manufacturer:
ATMEL
Quantity:
1 251
Company:
Part Number:
AT28HC256-90JI
Manufacturer:
PHIL
Quantity:
1 255
9. AC Read Characteristics
10. AC Read Waveforms
Notes:
6
t
t
t
t
t
ACC
CE
OE
DF
OH
Symbol
(1)
(3)(4)
(2)
1. CE may be delayed up to t
2. OE may be delayed up to t
3. t
4. This parameter is characterized and is not 100% tested.
AT28HC256
without impact on t
DF
Address to Output Delay
CE to Output Delay
OE to Output Delay
CE or OE to Output Float
Output Hold from OE, CE or Address,
whichever occurred first
is specified from OE or CE whichever occurs first (C
Parameter
ACC
.
ACC
CE
(1)(2)(3)(4)
- t
- t
OE
CE
after the falling edge of CE without impact on t
after the address transition without impact on t
AT28HC256-70
Min
0
0
0
L
= 5 pF).
Max
70
70
35
35
Min
AT28C256-90
0
0
0
CE
Max
ACC
90
90
40
40
or by t
.
ACC
Min
AT28HC256-12
- t
0
0
0
OE
after an address change
Max
120
120
50
50
0007N–PEEPR–9/09
Units
ns
ns
ns
ns
ns