at49f008-90ti ATMEL Corporation, at49f008-90ti Datasheet - Page 8

• Manufacturer Part Number: at49f008-90ti
• Description: At49f008 8-megabit 1m X 8 5-volt Only Flash Memory
• Manufacturer: ATMEL Corporation

Program Cycle Characteristics
Program Cycle Waveforms
Chip Erase Cycle Waveforms
Note:
8
Symbol
t
t
t
t
t
t
t
t
BP
AS
AH
DS
DH
WP
WPH
EC
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
A0-A19
A0-A19
DATA
DATA
WE
WE
OE
CE
OE
CE
AT49F008
t
AS
t
AS
5555
5555
BYTE 0
AA
AA
t
t
DS
WP
t
AH
t
t
DS
2AAA
WP
t
AH
BYTE 1
2AAA
55
55
5555
t
t
WPH
DH
BYTE 2
80
5555
t
t
WPH
DH
PROGRAM CYCLE
A0
5555
BYTE 3
AA
ADDRESS
INPUT
DATA
2AAA
Min
BYTE 4
50
50
90
90
0
0
55
5555
t
BYTE 5
BP
Typ
10
10
t
EC
Max
50
10
seconds
Units
ns
ns
ns
ns
ns
ns
s