at49f020-90ti ATMEL Corporation, at49f020-90ti Datasheet - Page 7
at49f020-90ti
Manufacturer Part Number
at49f020-90ti
Description
2-megabit 256k X 8 5-volt Only Flash Memory
Manufacturer
ATMEL Corporation
Datasheet
1.AT49F020-90TI.pdf
(12 pages)
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Program Cycle Characteristics
Program Cycle Waveforms
Chip Erase Cycle Waveforms
Note:
Symbol
t
t
t
t
t
t
t
t
BP
AS
AH
DS
DH
WP
WPH
EC
1.
OE must be high only when WE and CE are both low.
Parameter
Byte Programming Time
Address Set-up Time
Address Hold Time
Data Set-up Time
Data Hold Time
Write Pulse Width
Write Pulse Width High
Erase Cycle Time
Min
50
50
90
90
0
0
Typ
10
Max
50
10
seconds
Units
ns
ns
ns
ns
ns
ns
s
7
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