at49f001n-12vi ATMEL Corporation, at49f001n-12vi Datasheet - Page 11

• Manufacturer Part Number: at49f001n-12vi
• Description: At49f001 1-megabit 128k X 8 5-volt Only Flash Memory
• Manufacturer: ATMEL Corporation

Program Cycle Characteristics
Program Cycle Waveforms
Sector or Chip Erase Cycle Waveforms
Notes:
1008D–FLASH–2/03
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.
2. For chip erase, the address should be 5555. For sector erase, the address depends on what sector is to be erased.
3. For chip erase, the data should be 10H, and for sector erase, the data should be 30H.
(See note 4 under command definitions.)
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-A16
A0-A16
DATA
DATA
WE
WE
OE
CE
OE
CE
(1)
t
AS
t
AS
5555
5555
t
BYTE 0
AH
t
AA
AH
AA
t
t
DS
WP
t
t
DS
WP
2AAA
2AAA
BYTE 1
t
DH
55
t
DH
55
5555
t
WPH
BYTE 2
5555
80
PROGRAM CYCLE
t
WPH
A0
5555
BYTE 3
ADDRESS
AA
INPUT
DATA
2AAA
Min
BYTE 4
50
50
90
90
0
0
55
Note 2
t
BP
BYTE 5
Note 3
Typ
10
AT49F001(N(T)
t
EC
Max
50
10
seconds
Units
µs
ns
ns
ns
ns
ns
ns
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