AT49F002N-90JI Atmel, AT49F002N-90JI Datasheet - Page 10
![IC FLASH 2MBIT 90NS 32PLCC](/photos/7/21/72190/453-32-plcc_sml.jpg)
AT49F002N-90JI
Manufacturer Part Number
AT49F002N-90JI
Description
IC FLASH 2MBIT 90NS 32PLCC
Manufacturer
Atmel
Datasheet
1.AT49F002T-70VI.pdf
(17 pages)
Specifications of AT49F002N-90JI
Format - Memory
FLASH
Memory Type
FLASH
Memory Size
2M (256K x 8)
Speed
90ns
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
AT49F002N90JI
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT49F002N-90JI
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Data Polling Characteristics
Notes:
Data Polling Waveforms
Toggle Bit Characteristics
Notes:
Toggle Bit Waveforms
Notes:
10
Symbol
t
t
t
t
Symbol
t
t
t
t
t
DH
OEH
OE
WR
DH
OEH
OE
OEHP
WR
1. These parameters are characterized and not 100% tested.
2. See t
1. These parameters are characterized and not 100% tested.
2. See t
1. Toggling either OE or CE or both OE and CE will operate toggle bit. The t
2. Beginning and ending state of I/O6 will vary.
3. Any address location may be used but the address should not vary.
input(s).
Parameter
Data Hold Time
OE Hold Time
OE to Output Delay
Write Recovery Time
Parameter
Data Hold Time
OE Hold Time
OE to Output Delay
OE High Pulse
Write Recovery Time
AT49F002(N)(T)
OE
OE
spec in AC Read Characteristics.
spec in AC Read Characteristics.
I/O6
WE
CE
OE
WE
CE
OE
I/O7
A0-A17
(2)
(2)
t
DH
(1)(2)(3)
(1)
(1)
t
DH
t
OEH
t
OEH
t
t
OE
OE
An
HIGH Z
An
HIGH Z
t
OEHP
An
OEHP
Min
Min
150
10
10
10
10
0
0
An
specification must be met by the toggling
An
Typ
Typ
t
WR
t
WR
Max
Max
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns